Basseterre weather in December
In December, Basseterre sees average daytime highs of 26°C and overnight lows near 25°C, with 54 mm of rain across 13.3 wet days and about 11 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 72% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 11 hours at the start of December to 11 hours by month's end. Set against the rest of the year, December is Basseterre's 4th-clearest and 5th-windiest month. For the whole year in context, see Basseterre's year-round climate.
- Daytime high
- 26°
- 8th warmest
- Overnight low
- 25°
- 5th coldest
- Rainfall
- 54 mm
- 13.3 wet days
- Daylight
- 11 hours
- 6:38 AM – 5:36 PM
- Cloud cover
- 34%
- 4th clearest
- Wind
- 27 km/h
- 5th windiest
- Solar energy
- 4.6 kWh/m²
- Travel score
- 6.6
- out of 10
Basseterre is capital of Saint Kitts and Nevis.
- Density
- 1,995/km²
- people per km²
- Founded
- 1627
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 26°C through the month.
A typical December day in Basseterre reaches about 26°C in the afternoon and slips back to 25°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 27°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 25 |
| 2 | 27 | 25 |
| 3 | 27 | 25 |
| 4 | 27 | 25 |
| 5 | 27 | 25 |
| 6 | 27 | 25 |
| 7 | 26 | 25 |
| 8 | 26 | 25 |
| 9 | 26 | 25 |
| 10 | 26 | 25 |
| 11 | 26 | 25 |
| 12 | 26 | 25 |
| 13 | 26 | 25 |
| 14 | 26 | 25 |
| 15 | 26 | 25 |
| 16 | 26 | 25 |
| 17 | 26 | 25 |
| 18 | 26 | 25 |
| 19 | 26 | 25 |
| 20 | 26 | 25 |
| 21 | 26 | 25 |
| 22 | 26 | 25 |
| 23 | 26 | 25 |
| 24 | 26 | 25 |
| 25 | 26 | 25 |
| 26 | 26 | 25 |
| 27 | 26 | 25 |
| 28 | 26 | 25 |
| 29 | 26 | 25 |
| 30 | 26 | 25 |
| 31 | 26 | 25 |
How December really feels in Basseterre
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Basseterre weather by month
How December compares with the rest of the year at a glance. December is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 24° | 30 | 10.3 | 11.1 | 7.3 |
| Feb | 25° / 24° | 21 | 7.3 | 11.4 | 7.7 |
| Mar | 25° / 24° | 20 | 6.8 | 11.9 | 7.8 |
| Apr | 26° / 25° | 33 | 8.5 | 12.4 | 7.3 |
| May | 27° / 26° | 61 | 11.9 | 12.8 | 6.4 |
| Jun | 27° / 26° | 47 | 10.9 | 13 | 6.3 |
| Jul | 28° / 26° | 74 | 14.5 | 12.9 | 6.0 |
| Aug | 28° / 26° | 91 | 17 | 12.6 | 5.5 |
| Sep | 28° / 26° | 118 | 17.7 | 12.1 | 5.2 |
| Oct | 28° / 26° | 125 | 17.8 | 11.6 | 5.4 |
| Nov | 27° / 26° | 105 | 15.8 | 11.2 | 5.9 |
| Dec | 26° / 25° | 54 | 13.3 | 11 | 6.6 |
Cloud cover in December
The sky is clear or mostly clear about 72% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 81 | 82 | 82 | 83 | 83 | 83 | 83 | 82 | 82 | 83 | 84 | 84 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 86 | 86 | 87 | 88 | 88 | 88 | 88 | 90 | 90 |
| Cloudier (%) | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 10 | 10 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 81 | 19 |
| 2 | 82 | 18 |
| 3 | 82 | 18 |
| 4 | 83 | 17 |
| 5 | 83 | 17 |
| 6 | 83 | 17 |
| 7 | 83 | 17 |
| 8 | 82 | 18 |
| 9 | 82 | 18 |
| 10 | 83 | 17 |
| 11 | 84 | 16 |
| 12 | 84 | 16 |
| 13 | 85 | 15 |
| 14 | 85 | 15 |
| 15 | 85 | 15 |
| 16 | 85 | 15 |
| 17 | 85 | 15 |
| 18 | 85 | 15 |
| 19 | 85 | 15 |
| 20 | 85 | 15 |
| 21 | 85 | 15 |
| 22 | 85 | 15 |
| 23 | 86 | 14 |
| 24 | 86 | 14 |
| 25 | 87 | 13 |
| 26 | 88 | 12 |
| 27 | 88 | 12 |
| 28 | 88 | 12 |
| 29 | 88 | 12 |
| 30 | 90 | 10 |
| 31 | 90 | 10 |
Chance of precipitation in December
Basseterre gets around 54 mm of rain over 13.3 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 42% and peaks near 46% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 43 | 43 | 43 | 44 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 46 | 45 | 45 | 45 | 44 | 43 | 43 | 42 | 41 | 41 | 40 | 40 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 |
| Rain chance (%) | |
|---|---|
| 1 | 43 |
| 2 | 43 |
| 3 | 43 |
| 4 | 44 |
| 5 | 44 |
| 6 | 44 |
| 7 | 45 |
| 8 | 45 |
| 9 | 45 |
| 10 | 46 |
| 11 | 46 |
| 12 | 46 |
| 13 | 45 |
| 14 | 45 |
| 15 | 45 |
| 16 | 44 |
| 17 | 43 |
| 18 | 43 |
| 19 | 42 |
| 20 | 41 |
| 21 | 41 |
| 22 | 40 |
| 23 | 40 |
| 24 | 39 |
| 25 | 39 |
| 26 | 39 |
| 27 | 39 |
| 28 | 38 |
| 29 | 38 |
| 30 | 38 |
| 31 | 38 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Humid (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Muggy (%) | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 31 | 32 | 33 | 34 |
| Oppressive (%) | 80 | 80 | 79 | 79 | 79 | 80 | 80 | 80 | 79 | 79 | 79 | 79 | 79 | 78 | 78 | 77 | 76 | 75 | 74 | 73 | 72 | 70 | 69 | 68 | 67 | 67 | 66 | 66 | 66 | 65 | 64 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 3 | 16 | 80 | 1 |
| 2 | 0 | 3 | 16 | 80 | 1 |
| 3 | 0 | 3 | 17 | 79 | 1 |
| 4 | 0 | 3 | 17 | 79 | 1 |
| 5 | 0 | 3 | 17 | 79 | 1 |
| 6 | 0 | 3 | 17 | 80 | 0 |
| 7 | 0 | 3 | 17 | 80 | 0 |
| 8 | 0 | 3 | 17 | 80 | 0 |
| 9 | 0 | 3 | 18 | 79 | 0 |
| 10 | 0 | 3 | 18 | 79 | 0 |
| 11 | 0 | 3 | 18 | 79 | 0 |
| 12 | 0 | 3 | 18 | 79 | 0 |
| 13 | 0 | 3 | 18 | 79 | 0 |
| 14 | 0 | 3 | 19 | 78 | 0 |
| 15 | 0 | 3 | 19 | 78 | 0 |
| 16 | 0 | 3 | 20 | 77 | 0 |
| 17 | 0 | 3 | 21 | 76 | 0 |
| 18 | 0 | 3 | 22 | 75 | 0 |
| 19 | 0 | 3 | 23 | 74 | 0 |
| 20 | 0 | 3 | 24 | 73 | 0 |
| 21 | 0 | 3 | 25 | 72 | 0 |
| 22 | 1 | 3 | 26 | 70 | 0 |
| 23 | 1 | 3 | 27 | 69 | 0 |
| 24 | 1 | 3 | 28 | 68 | 0 |
| 25 | 1 | 3 | 29 | 67 | 0 |
| 26 | 1 | 2 | 30 | 67 | 0 |
| 27 | 1 | 2 | 31 | 66 | 0 |
| 28 | 1 | 2 | 31 | 66 | 0 |
| 29 | 0 | 2 | 32 | 66 | 0 |
| 30 | 0 | 2 | 33 | 65 | 0 |
| 31 | 0 | 2 | 34 | 64 | 0 |
Wind in December
Winds average 27 km/h in December.
Across December, daily wind ranges from about 26 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 26 | breezy |
| 2 | 26 | breezy |
| 3 | 26 | breezy |
| 4 | 26 | breezy |
| 5 | 26 | breezy |
| 6 | 26 | breezy |
| 7 | 27 | breezy |
| 8 | 27 | breezy |
| 9 | 27 | breezy |
| 10 | 27 | breezy |
| 11 | 27 | breezy |
| 12 | 27 | breezy |
| 13 | 27 | breezy |
| 14 | 27 | breezy |
| 15 | 27 | breezy |
| 16 | 27 | breezy |
| 17 | 27 | breezy |
| 18 | 27 | breezy |
| 19 | 27 | breezy |
| 20 | 27 | breezy |
| 21 | 27 | breezy |
| 22 | 27 | breezy |
| 23 | 27 | breezy |
| 24 | 28 | breezy |
| 25 | 28 | breezy |
| 26 | 28 | breezy |
| 27 | 28 | breezy |
| 28 | 28 | breezy |
| 29 | 28 | breezy |
| 30 | 28 | breezy |
| 31 | 28 | breezy |
Sunrise & sunset in December
Daylight runs from about 11 hours at the start of December to 11 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 6:29 AM to 6:45 AM, and sunset from 5:32 PM to 5:43 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunrise (AM) | 6:29 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:45 |
| Sunset (PM) | 5:32 | 5:32 | 5:32 | 5:32 | 5:33 | 5:33 | 5:33 | 5:33 | 5:34 | 5:34 | 5:34 | 5:35 | 5:35 | 5:35 | 5:36 | 5:36 | 5:37 | 5:37 | 5:37 | 5:38 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:41 | 5:42 | 5:42 | 5:43 | 5:43 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 6:29 | 5:32 |
| 2 | 11.0 | 6:30 | 5:32 |
| 3 | 11.0 | 6:31 | 5:32 |
| 4 | 11.0 | 6:31 | 5:32 |
| 5 | 11.0 | 6:32 | 5:33 |
| 6 | 11.0 | 6:32 | 5:33 |
| 7 | 11.0 | 6:33 | 5:33 |
| 8 | 11.0 | 6:34 | 5:33 |
| 9 | 11.0 | 6:34 | 5:34 |
| 10 | 11.0 | 6:35 | 5:34 |
| 11 | 11.0 | 6:35 | 5:34 |
| 12 | 11.0 | 6:36 | 5:35 |
| 13 | 11.0 | 6:36 | 5:35 |
| 14 | 11.0 | 6:37 | 5:35 |
| 15 | 11.0 | 6:37 | 5:36 |
| 16 | 11.0 | 6:38 | 5:36 |
| 17 | 11.0 | 6:38 | 5:37 |
| 18 | 11.0 | 6:39 | 5:37 |
| 19 | 11.0 | 6:39 | 5:37 |
| 20 | 11.0 | 6:40 | 5:38 |
| 21 | 11.0 | 6:40 | 5:38 |
| 22 | 11.0 | 6:41 | 5:39 |
| 23 | 11.0 | 6:41 | 5:39 |
| 24 | 11.0 | 6:42 | 5:40 |
| 25 | 11.0 | 6:42 | 5:40 |
| 26 | 11.0 | 6:43 | 5:41 |
| 27 | 11.0 | 6:43 | 5:41 |
| 28 | 11.0 | 6:44 | 5:42 |
| 29 | 11.0 | 6:44 | 5:42 |
| 30 | 11.0 | 6:44 | 5:43 |
| 31 | 11.0 | 6:45 | 5:43 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.6 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.71 kWh/m² in April across the year — December's 4.6 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.7 | Bright |
| 6 | 4.6 | Bright |
| 7 | 4.6 | Bright |
| 8 | 4.6 | Bright |
| 9 | 4.6 | Bright |
| 10 | 4.6 | Bright |
| 11 | 4.6 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.6 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.6 | Bright |
| 19 | 4.6 | Bright |
| 20 | 4.6 | Bright |
| 21 | 4.6 | Bright |
| 22 | 4.6 | Bright |
| 23 | 4.6 | Bright |
| 24 | 4.6 | Bright |
| 25 | 4.6 | Bright |
| 26 | 4.6 | Bright |
| 27 | 4.6 | Bright |
| 28 | 4.6 | Bright |
| 29 | 4.6 | Bright |
| 30 | 4.6 | Bright |
| 31 | 4.6 | Bright |
Hazard calendar for Basseterre
None of Basseterre's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Basseterre sits in the Atlantic hurricane belt; the season peaks August–October.
Basseterre's rainy season runs July–November, when most of the year's rain falls.
Basseterre sees seasonal dust haze (July), heaviest in July.
Is December a good time to visit Basseterre?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Basseterre for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Basseterre in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Basseterre sees daytime highs around 26°C and nights near 25°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 13 days see rain.
Sea temperature near Basseterre in December
The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 km away) is warmest in September at about 29°C and coldest in February near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 27 | Warm |
| May | 27 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Basseterre in December
Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Basseterre peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 11 | 13 | 13 | 12 | 12 | 12 | 11 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Basseterre in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Basseterre is worst in June — around 25 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 10 | 9 | 11 | 15 | 25 | 25 | 21 | 16 | 17 | 10 | 7 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 10 | Good |
| Mar | 9 | Good |
| Apr | 11 | Good |
| May | 15 | Moderate |
| Jun | 25 | Moderate |
| Jul | 25 | Moderate |
| Aug | 21 | Moderate |
| Sep | 16 | Moderate |
| Oct | 17 | Moderate |
| Nov | 10 | Good |
| Dec | 7 | Good |
Where is Basseterre?
Basseterre sits at 17.3°N, 62.7°W, -22 m above sea level, in Saint Kitts and Nevis. The nearest listed city is Gustavia, 68 km away.
Topography around Basseterre
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Basseterre.
Within 3 km, the terrain around Basseterre has significant variations in elevation — a maximum elevation change of 368 m around an average of 48 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,141 m; within 80 km, large variations in elevation — a maximum elevation change of 1,090 m.
The land around Basseterre is covered by water (40%), grassland (21%) and artificial surfaces (20%) within 3 km, water (81%) within 16 km, and water (98%) within 80 km.
Saint Kitts and Nevis travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / D / G
- 230 V · 60 Hz
- Prices
- ≈ 69% of US
- price level, 2025
- GDP per capita
- $25,223
- 2025
- Homicide rate
- 64.2
- per 100k, 2023
- Income group
- High
- World Bank
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Basseterre (17.2955°, -62.725°, elevation -22 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).