AI-generatedSt Lucia at a glance
- Best time
- Apr – Dec
- Warmest month
- Feb · 28°
- Warmest sea
- Feb · 27.3°
- Sunshine a year
- 2,280 h
- Rain a year
- 887 mm
- Climate
- Subtropical
- Time zone
- UTC+2
- Elevation
- 20 m
Climate in St Lucia
St Lucia has a subtropical climate with warm summers and mild winters. February is the warmest month with average highs of 28 °C, while July is the coolest at 23 °C. With around 2,280 hours of sunshine a year, St Lucia is sunny; January is the sunniest month with 6.9 hours a day.
Holiday weather through the year
Best time to visit St Lucia
The best time to visit St Lucia is from April to December. For a beach holiday – sea from 21 °C, warm and mostly dry – go from April to December. For sightseeing, day trips and hiking, conditions are most comfortable from April to December. The rainy season is from January to March; the wettest month is January with 119 mm.
St Lucia through the seasons
How the weather changes over the seasons, with averages for each.
St Lucia in spring
Sep – Nov
Good
- 25–26 °C by day
- Sea 23 °C
- 5.8 h of sun a day
- 31 rainy days in all
St Lucia in summer
Dec – Feb
Good
- 27–28 °C by day
- Sea 27 °C
- 6.6 h of sun a day
- 39 rainy days in all
St Lucia in autumn
Mar – May
Excellent
- 25–28 °C by day
- Sea 26 °C
- 6.3 h of sun a day
- 31 rainy days in all
St Lucia in winter
Jun – Aug
Good
- 23–24 °C by day
- Sea 23 °C
- 6.3 h of sun a day
- 18 rainy days in all
Which month for what?
Beach & swimming
Apr – Dec
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Dec
15–28 °C and not too much rain
Rainy months
Jan – Mar
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in St Lucia for you.
Your best months: January – February, April
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: April – December
Where to go in OctoberSea temperature in October
Good forBeach & swimmingSightseeing & walks
A typical day in October
- Morning, 08:00: about 22°
- Midday, 13:00: about 25°
- Afternoon, 16:00: about 24°
- Evening, 20:00: about 21°
- Night, 23:00: about 20°
05:1417:58
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:00–05:46 · evening 17:26–18:12
- Blue hour
- Morning 04:50–05:00 · evening 18:12–18:22
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 St Lucia compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs stay at about 25° from start to end. The sea warms from 23° to 24°. The days get 0.8 h longer.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 25° | 25° |
| Night-time low | 18° | 19° |
| Sea | 23° | 24° |
| Daylight | 12.3 h | 13.1 h |
What is the weather like in St Lucia in October?
In October, St Lucia is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. The sea averages 23.2 °C – pleasant for swimming. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 71 mm in total. All in all, October is a good month for a holiday in St Lucia.
More details for October
- Daylight
- 12 h 43 min05:14 – 17:58
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 10 daysdew point 18 °C or moreAll months
- Wind
- 26 km/haverage daily peakAll months
- Cloud cover
- 60 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+2offset from UTC
How the score comes together
- Temperatureweight 35 %97 %
- Seaweight 25 %89 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 20 %49 %
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
- Rain jacket or umbrella
Compare two months in St Lucia
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
May has the better holiday weather in St Lucia: score 87 against 75. Daytime highs are about the same. The sea is 2 °C warmer in May. May has 4 fewer rainy days. The sun shines an hour longer a day in May.
| Month | October | May |
|---|---|---|
| Holiday weather score | 75 | 87better |
| Daytime high | 25° | 25° |
| Night-time low | 19° | 19° |
| Sea | 23.2° | 25.1° |
| Sunshine | 5.6 h | 6.5 hbetter |
| Rainy days | 11 | 7better |
| Rainfall | 71 mm | 52 mmbetter |
| Muggy days | 10 | 8better |
Based on the climate averages 1996–2025.
St Lucia month by month
The typical weather for every month at a glance.
79January28° · Sea 27° · 6.9 h
In January, St Lucia is hot: daytime highs average 28 °C, and even at night it stays warm at around 23 °C. The sea averages 26.9 °C – lovely and warm for swimming. The sun shines for around 6.9 hours a day. It is the rainy season: rain falls on about 14 days, totalling 119 mm. The air is often humid and muggy. All in all, January is a good month for a holiday in St Lucia.
St Lucia in January79February28° · Sea 27° · 6.5 h
In February, St Lucia is hot: daytime highs average 28 °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 6.5 hours a day. It is the rainy season: rain falls on about 13 days, totalling 111 mm. The air is often humid and muggy. All in all, February is a good month for a holiday in St Lucia.
St Lucia in February79March28° · Sea 27° · 6.5 h
In March, St Lucia is hot: daytime highs average 28 °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 6.5 hours a day. It is the rainy season: rain falls on about 13 days, totalling 107 mm. The air is often humid and muggy. All in all, March is a good month for a holiday in St Lucia.
St Lucia in March80April27° · Sea 26° · 6.0 h
In April, St Lucia is warm: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. The sea averages 26.3 °C – lovely and warm for swimming. Expect around 6.0 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 82 mm in total. The air is often humid and muggy. All in all, April is an excellent month for a holiday in St Lucia.
St Lucia in April87May25° · Sea 25° · 6.5 h
In May, St Lucia is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. The sea averages 25.1 °C – pleasant for swimming. The sun shines for around 6.5 hours a day. Rain falls on about 7 days, adding up to 52 mm. All in all, May is an excellent month for a holiday in St Lucia.
St Lucia in May81June24° · Sea 24° · 6.4 h
In June, St Lucia is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 23.8 °C – pleasant for swimming. Expect around 6.4 hours of sunshine a day. Rain falls on about 6 days, adding up to 36 mm. All in all, June is an excellent month for a holiday in St Lucia.
St Lucia in June74July23° · Sea 23° · 6.2 h
In July, St Lucia is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 22.9 °C – refreshing for a swim. Expect around 6.2 hours of sunshine a day. Rain falls on about 6 days, adding up to 41 mm. All in all, July is a good month for a holiday in St Lucia.
St Lucia in July77August24° · Sea 23° · 6.3 h
In August, St Lucia is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 22.5 °C – refreshing for a swim. Expect around 6.3 hours of sunshine a day. Rain falls on about 6 days, adding up to 32 mm. All in all, August is a good month for a holiday in St Lucia.
St Lucia in August77September25° · Sea 23° · 6.1 h
In September, St Lucia is warm: daytime highs average 25 °C, and nights cool down to about 18 °C. The sea averages 22.6 °C – refreshing for a swim. Expect around 6.1 hours of sunshine a day. Rain falls on about 8 days, adding up to 55 mm. All in all, September is a good month for a holiday in St Lucia.
St Lucia in September75October25° · Sea 23° · 5.6 h
In October, St Lucia is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. The sea averages 23.2 °C – pleasant for swimming. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 71 mm in total. All in all, October is a good month for a holiday in St Lucia.
St Lucia in October78November26° · Sea 24° · 5.6 h
In November, St Lucia is warm: daytime highs average 26 °C, and even at night it stays warm at around 20 °C. The sea averages 24.3 °C – pleasant for swimming. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 89 mm in total. The air is often humid and muggy. All in all, November is a good month for a holiday in St Lucia.
St Lucia in November80December27° · Sea 26° · 6.3 h
In December, St Lucia is hot: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 25.6 °C – pleasant for swimming. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 92 mm in total. The air is often humid and muggy. All in all, December is an excellent month for a holiday in St Lucia.
St Lucia in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in St Lucia
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Pleasant 15–20°
- Warm 20–24°
- muggy month (15+ muggy days)
PleasantOctober: nights around 19°. Ideal for sleeping, often with the window open. Muggy on about 10 days (dew point 18 °C or more).
The coolest nights are in July (16°), the warmest in February (23°). Tropical nights of 20 °C and more are the rule from November to April; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from May to October. It is muggy (dew point 18 °C or more) on about 162 days a year, mostly from November to April.
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 | 28° | 23° | 26.9° | 6.9 h | 14 | 119 |
| FebruaryFeb | 79 | 28° | 23° | 27.3° | 6.5 h | 13 | 111 |
| MarchMar | 79 | 28° | 23° | 27.3° | 6.5 h | 13 | 107 |
| AprilApr | 80 | 27° | 21° | 26.3° | 6.0 h | 11 | 82 |
| MayMay | 87 | 25° | 19° | 25.1° | 6.5 h | 7 | 52 |
| JuneJun | 81 | 24° | 17° | 23.8° | 6.4 h | 6 | 36 |
| JulyJul | 74 | 23° | 16° | 22.9° | 6.2 h | 6 | 41 |
| AugustAug | 77 | 24° | 17° | 22.5° | 6.3 h | 6 | 32 |
| SeptemberSep | 77 | 25° | 18° | 22.6° | 6.1 h | 8 | 55 |
| OctoberOct | 75 | 25° | 19° | 23.2° | 5.6 h | 11 | 71 |
| NovemberNov | 78 | 26° | 20° | 24.3° | 5.6 h | 12 | 89 |
| DecemberDec | 80 | 27° | 22° | 25.6° | 6.3 h | 12 | 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
28.38° S, 32.41° E · 20 m · Africa/Johannesburg
Sea temperature
Sea temperature in St Lucia
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 22.7 – 23.6 °C
Swimming season: all year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in St Lucia ranges from 22.5 °C in August to 27.3 °C in February. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea temperature varies from year to year: in February, eight out of ten years were between 26.7 and 27.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 26.9° | 26.4° | 27.4° | warm |
| FebruaryFeb | 27.3° | 26.7° | 27.8° | warm |
| MarchMar | 27.3° | 26.7° | 27.7° | warm |
| AprilApr | 26.3° | 25.9° | 26.9° | warm |
| MayMay | 25.1° | 24.6° | 25.5° | pleasant |
| JuneJun | 23.8° | 23.2° | 24.3° | pleasant |
| JulyJul | 22.9° | 22.3° | 23.4° | refreshing |
| AugustAug | 22.5° | 21.9° | 23.0° | refreshing |
| SeptemberSep | 22.6° | 21.9° | 23.1° | refreshing |
| OctoberOct | 23.2° | 22.7° | 23.6° | pleasant |
| NovemberNov | 24.3° | 23.6° | 24.9° | pleasant |
| DecemberDec | 25.6° | 25.1° | 26.1° | pleasant |
Sunshine
Sunshine hours in St Lucia
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 5.6 of 12.7 hours of daylight in St Lucia, 44 % 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
Rain in St Lucia: 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, St Lucia has about 11 rainy days with 71 mm of rain in total.
UV index
UV index in St Lucia
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 December (UV 12).
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 & clouds
Wind and clouds in St Lucia
How breezy and how cloudy St Lucia 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 St Lucia typically peaks at 26 km/h during the day: Beaufort 4, moderate 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, and here it is that strong all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 60 % of the sky over St Lucia: variable cloud, with about 5.6 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 & humidity
Heat and humidity in St Lucia
How often the day gets hot in St Lucia (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, St Lucia has about 1 hot day, with an average daytime high of 25 °C: some hot or muggy days. Single hot or muggy days are possible; a hat and water bottle are enough.
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 St Lucia
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
St Lucia 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.
St Lucia has its best school-holiday weather during May half-term (score 86) and its weakest during October half-term (score 75).
- 80
Easter holidays
Mar – Apr
Excellent
- 27 °C by day
- Sea 27 °C
- 6.1 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 86
May half-term
May – Jun
ExcellentBest holidays
- 25 °C by day
- Sea 25 °C
- 6.5 h of sun a day
- 7 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 76
Summer holidays
Jul – Aug
Good
- 24 °C by day
- Sea 23 °C
- 6.3 h of sun a day
- 6 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 75
October half-term
Oct
Good
- 25 °C by day
- Sea 23 °C
- 5.6 h of sun a day
- 11 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 80
Christmas holidays
Dec – Jan
Excellent
- 28 °C by day
- Sea 26 °C
- 6.6 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 55 min
- Distance
- 9,440 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: South Africa
- Currency
- South African Rand (ZAR)
- Languages
- Zulu, Xhosa, Afrikaans
- Sockets
- Type C, D, M, N · 230 V
- Traffic
- Drives on the left
- Dialling code
- +27
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
St Lucia compared
Put St Lucia side by side with another destination.
St Lucia vs Richards Bay
In October the holiday weather in St Lucia and Richards Bay is about equally good (score 75 vs 71). During the day Richards Bay is 1 °C warmer than St Lucia. The sea in Richards Bay is 1 °C cooler.
| in October | St Lucia | Richards Bay |
|---|---|---|
| Holiday weather score | 75 | 71 |
| Daytime high | 25° | 26° |
| Sea | 23° | 22° |
| Sunshine | 6 h | 6 h |
| Rainy days | 11 | 12 |
| Best time | Apr – Dec | May – Oct |
Through the year
Best places in the country
South Africa in October: the best places
In October, St Lucia ranks 15 among the 31 nearest destinations in this country.
- Polokwane27°91
- 2Middelburg27°86
- 3Soweto26°86
- 4Krugersdorp26°86
- 5Johannesburg26°85
- 6Mbombela27°82
- 7Witbank26°82
- 8Welkom29°82
- 15St LuciaThis page25°23°75
Places nearby
Near St Lucia
Other destinations close by.
Places with a similar climate
Places with a climate like St Lucia
Destinations whose weather through the year is closest to St Lucia's – good alternatives.
Frequently asked questions about St Lucia
When is the best time to visit St Lucia?
The best time to visit St Lucia is from April to December. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in St Lucia?
The sea temperature in St Lucia ranges from 22.5 °C in August to 27.3 °C in February. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in St Lucia in October?
Yes. In October the sea averages 23.2 °C – pleasant for swimming.
What is the warmest month in St Lucia?
February is the warmest month, with average highs of 28 °C and nights around 23 °C. July is the coolest month at 23 °C.
When does it rain most in St Lucia?
The rainy season is from January to March; the wettest month is January with 119 mm. The driest month is August with 32 mm.
How many hours of sunshine does St Lucia get?
St Lucia gets around 2,280 hours of sunshine a year. The sunniest month is January with 6.9 hours a day; in October there are 5.6 hours a day.
What time zone is St Lucia in?
St Lucia is on UTC+2 all year.
How long is the flight from London to St Lucia?
A nonstop flight from London to St Lucia takes about 11 h 55 min, for a straight-line distance of about 9,440 km. Most routes need a change of planes, which adds time.
Which school holidays are best for St Lucia?
St Lucia has its best school-holiday weather during May half-term (score 86) and its weakest during October half-term (score 75). Holiday ratings (0–100): Easter holidays 80, May half-term 86, summer holidays 76, October half-term 75, Christmas holidays 80.