Basseterre, Saint Kitts and Nevis Climate & Monthly Averages
The climate of Basseterre
Basseterre has a tropical wet-and-dry climate, marked by year-round warmth split between a rainy season and a pronounced dry season. Average daytime highs range from about 80°F (27°C) in February to around 85°F (30°C) in September, and the city records roughly 207 days of measurable precipitation a year.
Climate quick facts
- Hottest month: September - highs near 85°F (30°C)
- Coldest month: February - highs near 80°F (27°C)
- Record high: 91°F (33°C) · Record low: 67°F (20°C) (2015–2024)
- Wettest month: September (20 rainy days) · Sunniest: June (11.8 h sun/day)
- Climate type: tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season
Temperatures through the year
The warmest stretch of the year centers on September. Highs average 85°F (30°C) and overnight lows stay near 79°F (26°C). The coolest month is February, with typical highs of 80°F (27°C) and lows around 74°F (24°C). Based on 2015–2024 weather data, temperatures have reached as high as 91°F (33°C) and dropped as low as 67°F (20°C).
Rain, sun and snow
September is usually the wettest month. It brings about 4.8 inches (121 mm) of rain over 20 days, while March is the driest. June brings the most sunshine, averaging 11.8 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 80° | 75° | 15 | 1.8 in | 10.8 h/day | 75% |
| February | 80° | 74° | 14 | 2.1 in | 10.9 h/day | 74% |
| March | 81° | 75° | 14 | 1.6 in | 11.4 h/day | 73% |
| April | 82° | 76° | 15 | 2.2 in | 11.7 h/day | 75% |
| May | 83° | 78° | 17 | 2.4 in | 11.6 h/day | 76% |
| June | 84° | 79° | 16 | 2.1 in | 11.8 h/day | 76% |
| July | 85° | 79° | 20 | 3.0 in | 11.8 h/day | 77% |
| August | 85° | 79° | 20 | 3.9 in | 11.5 h/day | 78% |
| September | 85° | 79° | 20 | 4.8 in | 11.0 h/day | 79% |
| October | 85° | 79° | 20 | 4.2 in | 10.7 h/day | 79% |
| November | 83° | 78° | 18 | 4.0 in | 10.1 h/day | 78% |
| December | 82° | 76° | 16 | 2.2 in | 10.5 h/day | 75% |
Basseterre month by month
Basseterre weather in January
January brings highs around 80°F (27°C), lows near 75°F (24°C), about 15 wet days.
Basseterre weather in February
February brings highs around 80°F (27°C), lows near 74°F (24°C), about 14 wet days - typically the coldest month of the year in Basseterre.
Basseterre weather in March
March brings highs around 81°F (27°C), lows near 75°F (24°C), about 14 wet days - typically the driest month of the year in Basseterre.
Basseterre weather in April
April brings highs around 82°F (28°C), lows near 76°F (24°C), about 15 wet days.
Basseterre weather in May
May brings highs around 83°F (28°C), lows near 78°F (25°C), about 17 wet days.
Basseterre weather in June
June brings highs around 84°F (29°C), lows near 79°F (26°C), about 16 wet days - typically the sunniest month of the year in Basseterre.
Basseterre weather in July
July brings highs around 85°F (29°C), lows near 79°F (26°C), about 20 wet days.
Basseterre weather in August
August brings highs around 85°F (30°C), lows near 79°F (26°C), about 20 wet days.
Basseterre weather in September
September brings highs around 85°F (30°C), lows near 79°F (26°C), about 20 wet days - typically the hottest month and the wettest month of the year in Basseterre.
Basseterre weather in October
October brings highs around 85°F (29°C), lows near 79°F (26°C), about 20 wet days.
Basseterre weather in November
November brings highs around 83°F (28°C), lows near 78°F (25°C), about 18 wet days.
Basseterre weather in December
December brings highs around 82°F (28°C), lows near 76°F (25°C), about 16 wet days.
Seasons in Basseterre
March through May
March through May in Basseterre runs hot, with daytime highs averaging 82°F (28°C) and nights around 76°F (24°C); expect showers on roughly 47 days across the season.
June through August
June through August in Basseterre brings hot afternoons, with daytime highs averaging 85°F (29°C) and nights around 79°F (26°C); expect showers on roughly 56 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
September through November
September through November in Basseterre brings hot afternoons, with daytime highs averaging 84°F (29°C) and nights around 79°F (26°C); expect showers on roughly 58 days across the season.
December through February
December through February in Basseterre brings comfortable warmth, with daytime highs averaging 80°F (27°C) and nights around 75°F (24°C); expect showers on roughly 46 days across the season.
Climate questions, answered
What is the average temperature in Basseterre?
Is Basseterre hot in summer?
Is Basseterre cold in winter?
How many rainy days does Basseterre get in a year?
Best time to visit Basseterre
The best time to visit Basseterre is generally January to April, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 81°F (27°C).
Pack for Basseterre with a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - September nights average 79°F (26°C).
Basseterre temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.