AI-generatedPort Antonio at a glance
- Best time
- All year
- Warmest month
- Sep · 32°
- Warmest sea
- Sep · 29.6°
- Sunshine a year
- 3,080 h
- Rain a year
- 1,348 mm
- Climate
- Tropical
- Time zone
- UTC−5
- Elevation
- 2 m
Climate in Port Antonio
Port Antonio 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 February is the coolest at 29 °C. With around 3,080 hours of sunshine a year, Port Antonio is very sunny; April is the sunniest month with 9.3 hours a day.
Holiday weather through the year
Best time to visit Port Antonio
The best time to visit Port Antonio is all year round. In August, September and October, though, the hurricane season is at its peak: check the forecast before you go. The sea reaches 29.6 °C in September, but frequent rain gets in the way of a classic beach holiday. The wettest month is October with 208 mm of precipitation.
Port Antonio through the seasons
How the weather changes over the seasons, with averages for each.
Port Antonio in spring
Mar – May
Excellent
- 29–31 °C by day
- Sea 28 °C
- 8.9 h of sun a day
- 56 rainy days in all
Port Antonio in summer
Jun – Aug
Good
- 31–32 °C by day
- Sea 29 °C
- 8.2 h of sun a day
- 58 rainy days in all
Port Antonio in autumn
Sep – Nov
Good
- 31–32 °C by day
- Sea 29 °C
- 7.8 h of sun a day
- 67 rainy days in all
Port Antonio in winter
Dec – Feb
Excellent
- 29–30 °C by day
- Sea 27 °C
- 8.7 h of sun a day
- 53 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Rainy months
All year
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Port Antonio 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: all year
October is the peak of the hurricane season Hurricane season
Where to go in OctoberSea temperature in October
Keep in mindFrequent rainStorm season
A typical day in October
- Morning, 08:00: about 28°
- Midday, 13:00: about 31°
- Afternoon, 16:00: about 31°
- Evening, 20:00: about 28°
- Night, 23:00: about 27°
05:5917:44
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 05:45–06:28 · evening 17:15–17:58
- Blue hour
- Morning 05:37–05:45 · evening 17:58–18:06
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 Port Antonio compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 32° at the start of the month to 31° at the end. The days get 0.5 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 32° | 31° |
| Night-time low | 25° | 25° |
| Sea | 29° | 29° |
| Daylight | 12.0 h | 11.5 h |
What is the weather like in Port Antonio in October?
In October, Port Antonio is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 29.4 °C – almost as warm as a bath. The sun shines for around 7.6 hours a day. It rains often – on about 25 days, adding up to 208 mm. On about 28 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 Port Antonio.
More details for October
- Daylight
- 11 h 45 min05:59 – 17:44
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 66 %on averageAll months
- Hot days
- 28 days30 °C or moreAll months
- Time zone
- UTC−5offset from UTC
How the score comes together
- Temperatureweight 35 %94 %
- Seaweight 25 %100 %
- Sunshineweight 20 %77 %
- 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 Port Antonio
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 Port Antonio: score 82 against 73. In February, days are 2 °C cooler than in October. The sea is 2 °C cooler in February. February has 9 fewer rainy days. The sun shines 2 hours longer a day in February.
| Month | October | February |
|---|---|---|
| Holiday weather score | 73 | 82better |
| Daytime high | 31° | 29° |
| Night-time low | 25° | 23° |
| Sea | 29.4° | 27.0° |
| Sunshine | 7.6 h | 9.1 hbetter |
| Rainy days | 25 | 16better |
| Rainfall | 208 mm | 50 mmbetter |
| Muggy days | 31 | 28better |
Based on the climate averages 1996–2025.
Port Antonio month by month
The typical weather for every month at a glance.
79January29° · Sea 27° · 8.6 h
In January, Port Antonio is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 27.3 °C – lovely and warm for swimming. The sun shines for around 8.6 hours a day. It rains often – on about 18 days, adding up to 63 mm. The air is often humid and muggy. All in all, January is a good month for a holiday in Port Antonio.
Port Antonio in January82February29° · Sea 27° · 9.1 h
In February, Port Antonio is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 27.0 °C – lovely and warm for swimming. With around 9.1 hours of sunshine a day, there is plenty of sun. It rains often – on about 16 days, adding up to 50 mm. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Port Antonio.
Port Antonio in February80March29° · Sea 27° · 9.0 h
In March, Port Antonio is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 27.0 °C – lovely and warm for swimming. With around 9.0 hours of sunshine a day, there is plenty of sun. It rains often – on about 18 days, adding up to 67 mm. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Port Antonio.
Port Antonio in March81April30° · Sea 27° · 9.3 h
In April, Port Antonio is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 27.4 °C – lovely and warm for swimming. With around 9.3 hours of sunshine a day, there is plenty of sun. It rains often – on about 17 days, adding up to 72 mm. On about 13 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 Port Antonio.
Port Antonio in April78May31° · Sea 28° · 8.5 h
In May, Port Antonio is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 8.5 hours a day. It rains often – on about 21 days, adding up to 139 mm. On about 24 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 Port Antonio.
Port Antonio in May76June31° · Sea 29° · 8.1 h
In June, Port Antonio is hot: daytime highs average 31 °C, and even at night it stays warm at around 26 °C. The sea averages 28.5 °C – lovely and warm for swimming. The sun shines for around 8.1 hours a day. It rains often – on about 20 days, adding up to 128 mm. On about 28 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 Port Antonio.
Port Antonio in June75July32° · Sea 29° · 8.3 h
In July, Port Antonio is hot: daytime highs average 32 °C, and even at night it stays warm at around 26 °C. The sea averages 28.9 °C – lovely and warm for swimming. The sun shines for around 8.3 hours a day. It rains often – on about 18 days, adding up to 107 mm. On about 30 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 Port Antonio.
Port Antonio in July74August32° · Sea 29° · 8.3 h
In August, Port Antonio is hot: daytime highs average 32 °C, and even at night it stays warm at around 26 °C. The sea averages 29.4 °C – almost as warm as a bath. The sun shines for around 8.3 hours a day. It rains often – on about 20 days, adding up to 132 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 Port Antonio.
Port Antonio in August71September32° · Sea 30° · 7.8 h
In September, Port Antonio is hot: daytime highs average 32 °C, and even at night it stays warm at around 26 °C. The sea averages 29.6 °C – almost as warm as a bath. The sun shines for around 7.8 hours a day. It rains often – on about 22 days, adding up to 155 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Port Antonio.
Port Antonio in September73October31° · Sea 29° · 7.6 h
In October, Port Antonio is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 29.4 °C – almost as warm as a bath. The sun shines for around 7.6 hours a day. It rains often – on about 25 days, adding up to 208 mm. On about 28 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 Port Antonio.
Port Antonio in October77November31° · Sea 29° · 8.1 h
In November, Port Antonio is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.8 °C – lovely and warm for swimming. The sun shines for around 8.1 hours a day. It rains often – on about 20 days, adding up to 134 mm. On about 22 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 Port Antonio.
Port Antonio in November78December30° · Sea 28° · 8.4 h
In December, Port Antonio is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 8.4 hours a day. It rains often – on about 19 days, adding up to 92 mm. On about 14 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 Port Antonio.
Port Antonio in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Port Antonio
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 25°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).
The coolest nights are in February (23°), the warmest in July (26°). 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 363 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 | 79 | 29° | 23° | 27.3° | 8.6 h | 18 | 63 |
| FebruaryFeb | 82 | 29° | 23° | 27.0° | 9.1 h | 16 | 50 |
| MarchMar | 80 | 29° | 23° | 27.0° | 9.0 h | 18 | 67 |
| AprilApr | 81 | 30° | 24° | 27.4° | 9.3 h | 17 | 72 |
| MayMay | 78 | 31° | 25° | 28.0° | 8.5 h | 21 | 139 |
| JuneJun | 76 | 31° | 26° | 28.5° | 8.1 h | 20 | 128 |
| JulyJul | 75 | 32° | 26° | 28.9° | 8.3 h | 18 | 107 |
| AugustAug | 74 | 32° | 26° | 29.4° | 8.3 h | 20 | 132 |
| SeptemberSep | 71 | 32° | 26° | 29.6° | 7.8 h | 22 | 155 |
| OctoberOct | 73 | 31° | 25° | 29.4° | 7.6 h | 25 | 208 |
| NovemberNov | 77 | 31° | 24° | 28.8° | 8.1 h | 20 | 134 |
| DecemberDec | 78 | 30° | 24° | 28.0° | 8.4 h | 19 | 92 |
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
18.18° N, 76.45° W · 2 m · America/Jamaica
Sea temperature in Port Antonio
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 28.9 – 30.0 °C
Swimming season: all year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Port Antonio ranges from 27.0 °C in February to 29.6 °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 29.2 and 30.2 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 27.3° | 26.7° | 27.8° | warm |
| FebruaryFeb | 27.0° | 26.5° | 27.5° | warm |
| MarchMar | 27.0° | 26.5° | 27.5° | warm |
| AprilApr | 27.4° | 26.9° | 28.0° | warm |
| MayMay | 28.0° | 27.4° | 28.6° | warm |
| JuneJun | 28.5° | 28.0° | 29.0° | warm |
| JulyJul | 28.9° | 28.5° | 29.4° | warm |
| AugustAug | 29.4° | 28.9° | 29.9° | very warm |
| SeptemberSep | 29.6° | 29.2° | 30.2° | very warm |
| OctoberOct | 29.4° | 28.9° | 30.0° | very warm |
| NovemberNov | 28.8° | 28.2° | 29.2° | warm |
| DecemberDec | 28.0° | 27.4° | 28.5° | warm |
Sunshine hours in Port Antonio
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 7.6 of 11.8 hours of daylight in Port Antonio, 64 % 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 Port Antonio: 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, Port Antonio has about 25 rainy days with 208 mm of rain in total.
UV index in Port Antonio
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 10 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in May (UV 13).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 15 min
- Light brown skin
- about 25 min
- Olive skin
- about 30 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 Port Antonio
How breezy and how cloudy Port Antonio 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 Port Antonio typically peaks at 15 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: Jun – Jul.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 66 % of the sky over Port Antonio: mostly cloudy, with about 7.6 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 Port Antonio
How often the day gets hot in Port Antonio (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, Port Antonio has about 28 hot days, with an average daytime high of 31 °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 Port Antonio
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Port Antonio 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.
Port Antonio has its best school-holiday weather during the Easter holidays (score 81) and its weakest during October half-term (score 73).
- 81
Easter holidays
Mar – Apr
ExcellentBest holidays
- 30 °C by day
- Sea 27 °C
- 9.2 h of sun a day
- 18 rainy days a month
Keep in mind: Frequent rain
- 78
May half-term
May – Jun
Good
- 31 °C by day
- Sea 28 °C
- 8.4 h of sun a day
- 21 rainy days a month
Keep in mind: Frequent rain
- 74
Summer holidays
Jul – Aug
Good
- 32 °C by day
- Sea 29 °C
- 8.3 h of sun a day
- 19 rainy days a month
Keep in mind: Frequent rain, Storm season
- 73
October half-term
Oct
Good
- 31 °C by day
- Sea 29 °C
- 7.6 h of sun a day
- 25 rainy days a month
Keep in mind: Frequent rain, Storm season
- 79
Christmas holidays
Dec – Jan
Good
- 29 °C by day
- Sea 28 °C
- 8.5 h of sun a day
- 18 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h 30 min
- Distance
- 7,470 km
- Time zone
- UTC−5
- Jet lag
- About 4 days (6 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.
Storm season
Port Antonio lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.
Compare & alternatives
Port Antonio compared
Put Port Antonio side by side with another destination.
Port Antonio vs Kingston
In October Port Antonio has the better holiday weather (score 73 vs 68). During the day Kingston is 1 °C warmer than Port Antonio. The sea is about equally warm. Kingston gets one hour less sunshine a day.
| in October | Port Antonio | Kingston |
|---|---|---|
| Holiday weather score | 73 | 68 |
| Daytime high | 31° | 32° |
| Sea | 29° | 29° |
| Sunshine | 8 h | 7 h |
| Rainy days | 25 | 22 |
| Best time | All year | Jan – Apr |
Through the year
Jamaica in October: the best places
In October, Port Antonio ranks 1 of 7 destinations in this country.
- Port AntonioThis page31°29°73
- 2Negril31°30°73
- 3Ocho Rios32°30°69
- 4Montego Bay32°30°68
- 5Port Royal33°29°67
- 6Kingston32°29°32
- 7Spanish Town32°31
Near Port Antonio
Other destinations close by.
Places with a climate like Port Antonio
Destinations whose weather through the year is closest to Port Antonio's – good alternatives.
Frequently asked questions about Port Antonio
When is the best time to visit Port Antonio?
The best time to visit Port Antonio is all year round. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Port Antonio?
The sea temperature in Port Antonio ranges from 27.0 °C in February to 29.6 °C in September. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Port Antonio in October?
Yes. In October the sea averages 29.4 °C – almost as warm as a bath.
What is the warmest month in Port Antonio?
September is the warmest month, with average highs of 32 °C and nights around 26 °C. February is the coolest month at 29 °C.
When does it rain most in Port Antonio?
The wettest month is October with 208 mm of precipitation. The driest month is February with 50 mm.
How many hours of sunshine does Port Antonio get?
Port Antonio gets around 3,080 hours of sunshine a year. The sunniest month is April with 9.3 hours a day; in October there are 7.6 hours a day.
What time zone is Port Antonio in?
Port Antonio is on UTC−5 all year.
How long is the flight from London to Port Antonio?
A nonstop flight from London to Port Antonio takes about 9 h 30 min, for a straight-line distance of about 7,470 km.
When is hurricane season in Port Antonio?
Port Antonio lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Port Antonio?
Port Antonio has its best school-holiday weather during the Easter holidays (score 81) and its weakest during October half-term (score 73). Holiday ratings (0–100): Easter holidays 81, May half-term 78, summer holidays 74, October half-term 73, Christmas holidays 79.