Soufrière, Saint Lucia experiences average highs of 29°C (84°F) and lows of 25°C (77°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Sunshine is abundant, averaging about 11 hours per day. Average highs have stayed broadly stable across the available records.
Soufrière, Saint Lucia Weather & Climate 2026
Monthly climate averages for Soufrière, Saint Lucia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Jun–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.1/10
Best: January, February, March, December
UV Index
8
High
Temperature 29°C / 25°C
Feels Like 32°C / 27°C
Rainy Days 16
Rainfall 73 mm
Sunshine 11 h
Humidity 75%
Wind Speed 25 km/h
Dew Point 23°C
Hottest Month
30°C
September
Avg Low26°C
Rain19days
Coldest Month
24°C
February
Avg High28°C
Rain10days
Driest Month
10days
February
Avg High28°C
Avg Low24°C
Windiest Month
28 km/h
June (Gusts 46)
Sea Temperature
27°C – 30°C
Warmest water: September (
30.2°C
)
Worst Time to Visit
Consider avoiding September, October due to heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:38
Daylight 12.9h
Sunset 18:34
Live conditions—
Soufrière on the map · live conditions
Soufrière, Saint Lucia
- Continent
- Americas
- Country
- Saint Lucia
- City
- Soufrière
- Population
- 2.9K
- Coordinates
- 13.86°, -61.06°
Seasonal Breakdown
Spring
Mar–May
Avg High 29°C
Avg Low 25°C
Rain 10 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 30°C
Avg Low 26°C
Rain 19 days/mo
Autumn
Sep–Nov
Avg High 30°C
Avg Low 26°C
Rain 19 days/mo
Winter
Dec–Feb
Avg High 28°C
Avg Low 25°C
Rain 13 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 28°C / 24°C . Feb: 28°C / 24°C . Mar: 29°C / 24°C . Apr: 29°C / 25°C . May: 30°C / 26°C . Jun: 30°C / 26°C . Jul: 30°C / 26°C . Aug: 30°C / 26°C . Sep: 30°C / 26°C . Oct: 30°C / 26°C . Nov: 29°C / 26°C . Dec: 28°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 37 mm. Feb: 26 mm. Mar: 26 mm. Apr: 30 mm. May: 35 mm. Jun: 81 mm. Jul: 105 mm. Aug: 113 mm. Sep: 129 mm. Oct: 129 mm. Nov: 121 mm. Dec: 45 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 74%. Feb: 71%. Mar: 71%. Apr: 72%. May: 73%. Jun: 76%. Jul: 78%. Aug: 78%. Sep: 78%. Oct: 79%. Nov: 79%. Dec: 75%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 26 km/h . Feb: 27 km/h . Mar: 26 km/h . Apr: 25 km/h . May: 26 km/h . Jun: 28 km/h . Jul: 27 km/h . Aug: 23 km/h . Sep: 21 km/h . Oct: 22 km/h . Nov: 24 km/h . Dec: 26 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 11h. Mar: 11h. Apr: 12h. May: 12h. Jun: 11h. Jul: 11h. Aug: 11h. Sep: 11h. Oct: 10h. Nov: 10h. Dec: 10h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 28°C . Feb: 27°C . Mar: 28°C . Apr: 28°C . May: 28°C . Jun: 29°C . Jul: 29°C . Aug: 30°C . Sep: 30°C . Oct: 30°C . Nov: 29°C . Dec: 28°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 9. Jun: UV 9. Jul: UV 9. Aug: UV 9. Sep: UV 9. Oct: UV 8. Nov: UV 7. Dec: UV 7.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Sep 2025 · 31°C | Sep · 30°C |
| Coldest month | Feb 2025 · 24°C | Feb · 24°C |
| Wettest month | Oct 2025 · 158 mm | Sep · 129 mm |
| Windiest month | Jun 2025 · 31 km/h | Jun · 28 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March best
Excellent April
Good May
Good June
Fair July
Wet August
Wet September
Wet October
Wet November
Wet December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 28°C / 24°C | 29°C / 25°C | 14days (37 mm) Wet | 10.5h Excellent | 74% Muggy | 7.2 Very High | Excellent | View Details |
| February best | 28°C / 24°C | 29°C / 25°C | 10days (26 mm) Wet | 10.7h Excellent | 71% Muggy | 8 Very High | Excellent | View Details |
| March best | 29°C / 24°C | 31°C / 26°C | 10days (26 mm) Wet | 11.2h Excellent | 71% Muggy | 8.8 Very High | Excellent | View Details |
| April | 29°C / 25°C | 32°C / 27°C | 10days (30 mm) Wet | 11.5h Excellent | 72% Muggy | 9 Very High | Good | View Details |
| May | 30°C / 26°C | 33°C / 28°C | 11days (35 mm) Wet | 11.6h Excellent | 73% Muggy | 8.8 Very High | Good | View Details |
| June | 30°C / 26°C | 33°C / 28°C | 16days (81 mm) Wet | 11.3h Excellent | 76% Humid | 8.6 Very High | Fair | View Details |
| July | 30°C / 26°C | 33°C / 28°C | 21days (105 mm) Wet | 11.4h Excellent | 78% Humid | 8.7 Very High | Wet | View Details |
| August | 30°C / 26°C | 34°C / 29°C | 21days (113 mm) Wet | 11.2h Excellent | 78% Humid | 8.8 Very High | Wet | View Details |
| September | 30°C / 26°C | 35°C / 30°C | 19days (129 mm) Wet | 10.7h Excellent | 78% Humid | 8.6 Very High | Wet | View Details |
| October | 30°C / 26°C | 34°C / 29°C | 20days (129 mm) Wet | 10.2h Excellent | 79% Humid | 7.9 Very High | Wet | View Details |
| November | 29°C / 26°C | 32°C / 28°C | 19days (121 mm) Wet | 10h Excellent | 79% Humid | 7.2 Very High | Wet | View Details |
| December best | 28°C / 25°C | 31°C / 27°C | 15days (45 mm) Wet | 10.1h Excellent | 75% Muggy | 6.7 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Soufrière are January, February, March, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Soufrière, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Soufrière is September, with average daytime highs of 30°C (86°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Soufrière is February, with average overnight lows of 24°C (76°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Soufrière is September, averaging 129mm of precipitation across 19 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Soufrière runs through July, August, October, September, with the heaviest rainfall in July. Based on 10-year averages for Soufrière.
Soufrière receives approximately 130 sunshine hours per year. The sunniest month is May with around 12 hours. Based on climate data for Soufrière.
The least favorable months to visit Soufrière are September, October, primarily due to heavy rainfall, oppressive humidity. For the best conditions, consider January, February, March, December instead.
The annual average UV index in Soufrière is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Soufrière is 75%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 29°C (84°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Soufrière are 25 km/h (16 mph). The windiest month is June with peak winds reaching 28 km/h (17 mph) (gusts up to 46 km/h / 29 mph).
Soufrière averages 3 clear-sky days per month with overall cloud cover around 51%. The clearest skies occur in December.
The annual average dew point in Soufrière is 23°C (73°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Soufrière has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Soufrière ranges from 27°C (81°F) to 32°C (90°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Soufrière, with a climate score of 6/10. Consider visiting during January, February, March, December instead for better conditions.
For June in Soufrière, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 30°C (86°F) and 16 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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