Bisee, 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.
Bisee, Saint Lucia Weather & Climate 2026
Monthly climate averages for Bisee, Saint Lucia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Jul–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.2/10
Best: January, February, March, December
UV Index
8
High
Temperature 29°C / 25°C
Feels Like 32°C / 27°C
Rainy Days 16
Rainfall 68 mm
Sunshine 11 h
Humidity 75%
Wind Speed 23 km/h
Dew Point 22°C
Hottest Month
30°C
September
Avg Low26°C
Rain18days
Coldest Month
24°C
February
Avg High28°C
Rain11days
Driest Month
11days
February
Avg High28°C
Avg Low24°C
Windiest Month
26 km/h
June (Gusts 49)
Sea Temperature
27°C – 30°C
Warmest water: September (
30.2°C
)
Worst Time to Visit
Consider avoiding August, September, October due to heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:37
Daylight 12.9h
Sunset 18:34
Live conditions—
Bisee on the map · live conditions
Bisee, Saint Lucia
- Continent
- Americas
- Country
- Saint Lucia
- City
- Bisee
- Population
- 13K
- Coordinates
- 14.02°, -60.97°
Seasonal Breakdown
Spring
Mar–May
Avg High 29°C
Avg Low 25°C
Rain 11 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 24°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 / 25°C . Dec: 28°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 35 mm. Feb: 28 mm. Mar: 27 mm. Apr: 34 mm. May: 37 mm. Jun: 71 mm. Jul: 94 mm. Aug: 103 mm. Sep: 114 mm. Oct: 116 mm. Nov: 114 mm. Dec: 42 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 73%. Feb: 71%. Mar: 71%. Apr: 71%. May: 73%. Jun: 75%. Jul: 78%. Aug: 78%. Sep: 77%. Oct: 79%. Nov: 79%. Dec: 75%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 24 km/h . Feb: 25 km/h . Mar: 24 km/h . Apr: 23 km/h . May: 24 km/h . Jun: 26 km/h . Jul: 25 km/h . Aug: 22 km/h . Sep: 19 km/h . Oct: 20 km/h . Nov: 22 km/h . Dec: 24 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: 27°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 Oppressive
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 · 139 mm | Oct · 116 mm |
| Windiest month | Jun 2025 · 29 km/h | Jun · 26 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 | 13days (35 mm) Wet | 10.5h Excellent | 73% Muggy | 7.2 Very High | Excellent | View Details |
| February best | 28°C / 24°C | 29°C / 25°C | 11days (28 mm) Wet | 10.7h Excellent | 71% Muggy | 8.1 Very High | Excellent | View Details |
| March best | 29°C / 24°C | 31°C / 26°C | 11days (27 mm) Wet | 11.2h Excellent | 71% Muggy | 8.9 Very High | Excellent | View Details |
| April | 29°C / 25°C | 32°C / 27°C | 12days (34 mm) Wet | 11.5h Excellent | 71% Muggy | 9 Very High | Good | View Details |
| May | 30°C / 26°C | 33°C / 28°C | 11days (37 mm) Wet | 11.7h Excellent | 73% Muggy | 8.8 Very High | Good | View Details |
| June | 30°C / 26°C | 33°C / 28°C | 15days (71 mm) Wet | 11.3h Excellent | 75% Muggy | 8.6 Very High | Fair | View Details |
| July | 30°C / 26°C | 33°C / 28°C | 21days (94 mm) Wet | 11.4h Excellent | 78% Humid | 8.7 Very High | Wet | View Details |
| August | 30°C / 26°C | 34°C / 29°C | 21days (103 mm) Wet | 11.2h Excellent | 78% Humid | 8.9 Very High | Wet | View Details |
| September | 30°C / 26°C | 35°C / 30°C | 18days (114 mm) Wet | 10.8h Excellent | 77% Humid | 8.6 Very High | Wet | View Details |
| October | 30°C / 26°C | 34°C / 29°C | 21days (116 mm) Wet | 10.2h Excellent | 79% Humid | 8 Very High | Wet | View Details |
| November | 29°C / 25°C | 32°C / 28°C | 19days (114 mm) Wet | 10.1h Excellent | 79% Humid | 7.2 Very High | Wet | View Details |
| December best | 28°C / 25°C | 30°C / 27°C | 15days (42 mm) Wet | 10.2h Excellent | 75% Muggy | 6.7 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Bisee are January, February, March, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Bisee, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Bisee 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 Bisee is February, with average overnight lows of 24°C (75°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Bisee is October, averaging 116mm of precipitation across 21 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Bisee runs through July, August, October, November, with the heaviest rainfall in July. Based on 10-year averages for Bisee.
Bisee receives approximately 131 sunshine hours per year. The sunniest month is May with around 12 hours. Based on climate data for Bisee.
The least favorable months to visit Bisee are August, 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 Bisee is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Bisee 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 Bisee are 23 km/h (14 mph). The windiest month is June with peak winds reaching 26 km/h (16 mph) (gusts up to 49 km/h / 31 mph).
Bisee averages 2 clear-sky days per month with overall cloud cover around 51%. The clearest skies occur in December.
The annual average dew point in Bisee is 22°C (72°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Bisee 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 Bisee 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 Bisee, with a climate score of 6/10. Consider visiting during January, February, March, December instead for better conditions.
For June in Bisee, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 30°C (86°F) and 15 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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