AI-generatedSan Fernando, Trinidad and Tobago weather & best time to visit
Sun, sea & sand
San Fernando, Trinidad and Tobago at a glance
- Best time
- Jan – Apr
- Warmest month
- Sep · 32°
- Warmest sea
- Sep · 29.5°
- Sunshine a year
- 2,760 h
- Rain a year
- 1,186 mm
- Climate
- Tropical
- Time zone
- UTC−4
- Elevation
- 28 m
Climate in San Fernando, Trinidad and Tobago
San Fernando, Trinidad and Tobago has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. September is the warmest month with average highs of 32 °C, while January is the coolest at 31 °C. With around 2,760 hours of sunshine a year, San Fernando, Trinidad and Tobago is sunny; February is the sunniest month with 8.6 hours a day.
Holiday weather through the year
Best time to visit San Fernando, Trinidad and Tobago
The best time to visit San Fernando, Trinidad and Tobago is from January to April. For a beach holiday – sea from 21 °C, warm and mostly dry – go from January to April. The rainy season is from June to November; the wettest month is August with 172 mm.
San Fernando, Trinidad and Tobago through the seasons
How the weather changes over the seasons, with averages for each.
San Fernando, Trinidad and Tobago in the dry season
Dec – May
Excellent
- 31–32 °C by day
- Sea 27 °C
- 8.2 h of sun a day
- 60 rainy days in all
San Fernando, Trinidad and Tobago in the rainy season
Jun – Nov
Good
- 31–32 °C by day
- Sea 29 °C
- 7.0 h of sun a day
- 145 rainy days in all
Which month for what?
Beach & swimming
Jan – Apr
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Rainy months
Jun – Nov
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in San Fernando, Trinidad and Tobago for you.
Your best months: January – March
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: January – April
Where to go in OctoberSea temperature in October
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 27°
- Midday, 13:00: about 32°
- Afternoon, 16:00: about 31°
- Evening, 20:00: about 28°
- Night, 23:00: about 26°
05:5417:49
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:41–06:22 · evening 17:21–18:02
- Blue hour
- Morning 05:33–05:41 · evening 18:02–18:10
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in San Fernando, Trinidad and Tobago compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs stay at about 32° from start to end. The days get 0.3 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 32° | 32° |
| Night-time low | 24° | 24° |
| Sea | 29° | 29° |
| Daylight | 12.0 h | 11.8 h |
What is the weather like in San Fernando, Trinidad and Tobago in October?
In October, San Fernando, Trinidad and Tobago is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 29.2 °C – almost as warm as a bath. The sun shines for around 6.9 hours a day. It is the rainy season: rain falls on about 23 days, totalling 138 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in San Fernando, Trinidad and Tobago.
More details for October
- Daylight
- 11 h 55 min05:54 – 17:49
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 67 %on averageAll months
- Hot days
- 30 days30 °C or moreAll months
- Time zone
- UTC−4offset from UTC
How the score comes together
- Temperatureweight 35 %87 %
- Seaweight 25 %100 %
- Sunshineweight 20 %65 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Compare two months in San Fernando, Trinidad and Tobago
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
February has the better holiday weather in San Fernando, Trinidad and Tobago: score 96 against 69. In February, days are 1 °C cooler than in October. The sea is 2 °C cooler in February. February has 17 fewer rainy days. The sun shines 2 hours longer a day in February.
| Month | October | February |
|---|---|---|
| Holiday weather score | 69 | 96better |
| Daytime high | 32° | 31° |
| Night-time low | 24° | 22° |
| Sea | 29.2° | 26.9° |
| Sunshine | 6.9 h | 8.6 hbetter |
| Rainy days | 23 | 6better |
| Rainfall | 138 mm | 21 mmbetter |
| Muggy days | 31 | 28better |
Based on the climate averages 1996–2025.
San Fernando, Trinidad and Tobago month by month
The typical weather for every month at a glance.
89January31° · Sea 27° · 8.2 h
In January, San Fernando, Trinidad and Tobago is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 27.1 °C – lovely and warm for swimming. The sun shines for around 8.2 hours a day. Rain is frequent, with about 10 rainy days and 43 mm in total. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is an excellent month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in January96February31° · Sea 27° · 8.6 h
In February, San Fernando, Trinidad and Tobago is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 26.9 °C – lovely and warm for swimming. The sun shines for around 8.6 hours a day. Rain falls on about 6 days, adding up to 21 mm. On about 23 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is an excellent month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in February93March32° · Sea 27° · 8.4 h
In March, San Fernando, Trinidad and Tobago is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. The sea averages 27.1 °C – lovely and warm for swimming. The sun shines for around 8.4 hours a day. Rain falls on about 6 days, adding up to 24 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is an excellent month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in March89April32° · Sea 28° · 8.5 h
In April, San Fernando, Trinidad and Tobago is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 27.6 °C – lovely and warm for swimming. The sun shines for around 8.5 hours a day. Rain falls on about 7 days, adding up to 35 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is an excellent month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in April79May32° · Sea 28° · 8.1 h
In May, San Fernando, Trinidad and Tobago is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 8.1 hours a day. Rain is frequent, with about 14 rainy days and 72 mm in total. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a good month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in May72June31° · Sea 28° · 6.6 h
In June, San Fernando, Trinidad and Tobago is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 6.6 hours a day. It is the rainy season: rain falls on about 23 days, totalling 152 mm. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in June73July31° · Sea 28° · 7.3 h
In July, San Fernando, Trinidad and Tobago is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 7.3 hours a day. It is the rainy season: rain falls on about 27 days, totalling 166 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in July70August32° · Sea 29° · 7.2 h
In August, San Fernando, Trinidad and Tobago is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 29.2 °C – almost as warm as a bath. The sun shines for around 7.2 hours a day. It is the rainy season: rain falls on about 27 days, totalling 172 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in August67September32° · Sea 30° · 7.1 h
In September, San Fernando, Trinidad and Tobago is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 29.5 °C – almost as warm as a bath. The sun shines for around 7.1 hours a day. It is the rainy season: rain falls on about 22 days, totalling 119 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, September is a good month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in September69October32° · Sea 29° · 6.9 h
In October, San Fernando, Trinidad and Tobago is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 29.2 °C – almost as warm as a bath. The sun shines for around 6.9 hours a day. It is the rainy season: rain falls on about 23 days, totalling 138 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in October71November31° · Sea 29° · 6.6 h
In November, San Fernando, Trinidad and Tobago is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.5 °C – lovely and warm for swimming. The sun shines for around 6.6 hours a day. It is the rainy season: rain falls on about 24 days, totalling 149 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a good month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in November75December31° · Sea 28° · 7.3 h
In December, San Fernando, Trinidad and Tobago is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 7.3 hours a day. It rains often – on about 18 days, adding up to 95 mm. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in San Fernando, Trinidad and Tobago.
San Fernando, Trinidad and Tobago in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in San Fernando, Trinidad and Tobago
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).
The coolest nights are in January (22°), the warmest in May (24°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) all year, on about 365 days a year.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 89 | 31° | 22° | 27.1° | 8.2 h | 10 | 43 |
| FebruaryFeb | 96 | 31° | 22° | 26.9° | 8.6 h | 6 | 21 |
| MarchMar | 93 | 32° | 23° | 27.1° | 8.4 h | 6 | 24 |
| AprilApr | 89 | 32° | 24° | 27.6° | 8.5 h | 7 | 35 |
| MayMay | 79 | 32° | 24° | 27.9° | 8.1 h | 14 | 72 |
| JuneJun | 72 | 31° | 24° | 27.9° | 6.6 h | 23 | 152 |
| JulyJul | 73 | 31° | 24° | 28.4° | 7.3 h | 27 | 166 |
| AugustAug | 70 | 32° | 24° | 29.2° | 7.2 h | 27 | 172 |
| SeptemberSep | 67 | 32° | 24° | 29.5° | 7.1 h | 22 | 119 |
| OctoberOct | 69 | 32° | 24° | 29.2° | 6.9 h | 23 | 138 |
| NovemberNov | 71 | 31° | 24° | 28.5° | 6.6 h | 24 | 149 |
| DecemberDec | 75 | 31° | 23° | 27.7° | 7.3 h | 18 | 95 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
10.28° N, 61.47° W · 28 m · America/Port_of_Spain
Sea temperature in San Fernando, Trinidad and Tobago
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 28.6 – 29.8 °C
Swimming season: all year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in San Fernando, Trinidad and Tobago ranges from 26.9 °C in February to 29.5 °C in September. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea temperature varies from year to year: in September, eight out of ten years were between 28.8 and 29.9 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 27.1° | 26.7° | 27.4° | warm |
| FebruaryFeb | 26.9° | 26.4° | 27.4° | warm |
| MarchMar | 27.1° | 26.5° | 27.7° | warm |
| AprilApr | 27.6° | 27.0° | 28.0° | warm |
| MayMay | 27.9° | 27.2° | 28.5° | warm |
| JuneJun | 27.9° | 27.4° | 28.5° | warm |
| JulyJul | 28.4° | 27.6° | 29.0° | warm |
| AugustAug | 29.2° | 28.7° | 29.6° | very warm |
| SeptemberSep | 29.5° | 28.8° | 29.9° | very warm |
| OctoberOct | 29.2° | 28.6° | 29.8° | very warm |
| NovemberNov | 28.5° | 28.0° | 28.9° | warm |
| DecemberDec | 27.7° | 27.2° | 28.2° | warm |
Sunshine hours in San Fernando, Trinidad and Tobago
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.9 of 11.9 hours of daylight in San Fernando, Trinidad and Tobago, 58 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in San Fernando, Trinidad and Tobago: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, San Fernando, Trinidad and Tobago has about 23 rainy days with 138 mm of rain in total.
UV index in San Fernando, Trinidad and Tobago
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 12 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.
The sun is strongest in April (UV 13).
Minutes until sunburn in October
- Very fair skin
- about 10 min
- Fair skin
- about 15 min
- Light brown skin
- about 20 min
- Olive skin
- about 25 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in San Fernando, Trinidad and Tobago
How breezy and how cloudy San Fernando, Trinidad and Tobago is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in San Fernando, Trinidad and Tobago typically peaks at 18 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Jan – Jun.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 67 % of the sky over San Fernando, Trinidad and Tobago: mostly cloudy, with about 6.9 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in San Fernando, Trinidad and Tobago
How often the day gets hot in San Fernando, Trinidad and Tobago (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, San Fernando, Trinidad and Tobago has about 30 hot days, with an average daytime high of 32 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to San Fernando, Trinidad and Tobago
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
San Fernando, Trinidad and Tobago in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
San Fernando, Trinidad and Tobago has its best school-holiday weather during the Easter holidays (score 90) and its weakest during October half-term (score 69).
- 90
Easter holidays
Mar – Apr
ExcellentBest holidays
- 32 °C by day
- Sea 27 °C
- 8.5 h of sun a day
- 7 rainy days a month
Good for: Beach & swimming
- 78
May half-term
May – Jun
Good
- 32 °C by day
- Sea 28 °C
- 7.8 h of sun a day
- 15 rainy days a month
- 71
Summer holidays
Jul – Aug
Good
- 32 °C by day
- Sea 29 °C
- 7.2 h of sun a day
- 27 rainy days a month
Keep in mind: Frequent rain
- 69
October half-term
Oct
Good
- 32 °C by day
- Sea 29 °C
- 6.9 h of sun a day
- 23 rainy days a month
Keep in mind: Frequent rain
- 82
Christmas holidays
Dec – Jan
Excellent
- 31 °C by day
- Sea 27 °C
- 7.8 h of sun a day
- 14 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h 5 min
- Distance
- 7,130 km
- Time zone
- UTC−4
- Jet lag
- About 3 days (5 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
San Fernando, Trinidad and Tobago compared
Put San Fernando, Trinidad and Tobago side by side with another destination.
San Fernando vs Chaguanas
In October San Fernando has the better holiday weather (score 69 vs 64). During the day Chaguanas is 1 °C warmer than San Fernando. The sea is about equally warm.
| in October | San Fernando | Chaguanas |
|---|---|---|
| Holiday weather score | 69 | 64 |
| Daytime high | 32° | 33° |
| Sea | 29° | 29° |
| Sunshine | 7 h | 7 h |
| Rainy days | 23 | 23 |
| Best time | Jan – Apr | Jan – Apr |
Through the year
Trinidad and Tobago in October: the best places
In October, San Fernando ranks 1 of 3 destinations in this country.
- San FernandoThis page32°29°69
- 2Chaguanas33°29°64
- 3Port of Spain33°29°27
Near San Fernando, Trinidad and Tobago
Other destinations close by.
Places with a climate like San Fernando, Trinidad and Tobago
Destinations whose weather through the year is closest to San Fernando, Trinidad and Tobago's – good alternatives.
Frequently asked questions about San Fernando, Trinidad and Tobago
When is the best time to visit San Fernando, Trinidad and Tobago?
The best time to visit San Fernando, Trinidad and Tobago is from January to April. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in San Fernando, Trinidad and Tobago?
The sea temperature in San Fernando, Trinidad and Tobago ranges from 26.9 °C in February to 29.5 °C in September. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in San Fernando, Trinidad and Tobago in October?
Yes. In October the sea averages 29.2 °C – almost as warm as a bath.
What is the warmest month in San Fernando, Trinidad and Tobago?
September is the warmest month, with average highs of 32 °C and nights around 24 °C. January is the coolest month at 31 °C.
When does it rain most in San Fernando, Trinidad and Tobago?
The rainy season is from June to November; the wettest month is August with 172 mm. The driest month is February with 21 mm.
How many hours of sunshine does San Fernando, Trinidad and Tobago get?
San Fernando, Trinidad and Tobago gets around 2,760 hours of sunshine a year. The sunniest month is February with 8.6 hours a day; in June there are 6.6 hours a day.
What time zone is San Fernando, Trinidad and Tobago in?
San Fernando, Trinidad and Tobago is on UTC−4 all year.
How long is the flight from London to San Fernando, Trinidad and Tobago?
A nonstop flight from London to San Fernando, Trinidad and Tobago takes about 9 h 5 min, for a straight-line distance of about 7,130 km.
Which school holidays are best for San Fernando, Trinidad and Tobago?
San Fernando, Trinidad and Tobago has its best school-holiday weather during the Easter holidays (score 90) and its weakest during October half-term (score 69). Holiday ratings (0–100): Easter holidays 90, May half-term 78, summer holidays 71, October half-term 69, Christmas holidays 82.