Saint-Barthélémy weather in April
In April, Saint-Barthélémy sees average daytime highs of 16°C and overnight lows near 11°C, with 61 mm of rain across 7.5 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.
Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 47% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 24 min at the start of April to 13 h 48 min by month's end. Set against the rest of the year, April is Saint-Barthélémy's 8th-clearest and 6th-windiest month. For the whole year in context, see Saint-Barthélémy's year-round climate.
- Daytime high
- 16°
- 7th warmest
- Overnight low
- 11°
- 6th coldest
- Rainfall
- 61 mm
- 7.5 wet days
- Daylight
- 13 h 12 min
- 6:03 AM – 7:14 PM
- Cloud cover
- 47%
- 8th clearest
- Wind
- 18 km/h
- 6th windiest
- Solar energy
- 5.67 kWh/m²
- Travel score
- 5.4
- out of 10
Temperature in April
Highs climb over the month, from about 15°C in the first days to 17°C by the end.
A typical April day in Saint-Barthélémy reaches about 16°C in the afternoon and slips back to 11°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°C. Set against its neighbours, April runs about 2°C warmer than March and about 3°C cooler than May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Avg low (°C) | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 15 | 9 |
| 2 | 15 | 10 |
| 3 | 15 | 10 |
| 4 | 15 | 10 |
| 5 | 15 | 10 |
| 6 | 15 | 10 |
| 7 | 15 | 10 |
| 8 | 15 | 10 |
| 9 | 15 | 10 |
| 10 | 15 | 10 |
| 11 | 15 | 10 |
| 12 | 16 | 10 |
| 13 | 16 | 10 |
| 14 | 16 | 10 |
| 15 | 16 | 10 |
| 16 | 16 | 11 |
| 17 | 16 | 11 |
| 18 | 16 | 11 |
| 19 | 16 | 11 |
| 20 | 16 | 11 |
| 21 | 16 | 11 |
| 22 | 16 | 11 |
| 23 | 17 | 11 |
| 24 | 17 | 12 |
| 25 | 17 | 12 |
| 26 | 17 | 12 |
| 27 | 17 | 12 |
| 28 | 17 | 12 |
| 29 | 17 | 12 |
| 30 | 17 | 12 |
Saint-Barthélémy weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 11° / 7° | 63 | 7.7 | 0.2 | 9.2 | 3.0 |
| Feb | 11° / 6° | 47 | 6.5 | 0.5 | 10.2 | 3.2 |
| Mar | 14° / 8° | 42 | 5.8 | 0 | 11.6 | 4.6 |
| Apr | 16° / 11° | 61 | 7.5 | 0 | 13.2 | 5.4 |
| May | 19° / 14° | 45 | 5.8 | 0 | 14.5 | 7.0 |
| Jun | 23° / 18° | 24 | 3.6 | 0 | 15.1 | 8.3 |
| Jul | 26° / 20° | 10 | 1.8 | 0 | 14.9 | 8.8 |
| Aug | 26° / 20° | 14 | 2.3 | 0 | 13.8 | 8.5 |
| Sep | 23° / 18° | 65 | 6 | 0 | 12.3 | 7.8 |
| Oct | 19° / 14° | 88 | 8.5 | 0 | 10.8 | 6.5 |
| Nov | 15° / 10° | 106 | 10.4 | 0.1 | 9.5 | 4.5 |
| Dec | 12° / 8° | 70 | 8.5 | 0.1 | 8.8 | 3.3 |
Cloud cover in April
The sky is clear or mostly clear about 47% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 61 | 61 | 62 | 61 | 61 | 61 | 62 | 61 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 61 | 60 | 60 | 60 | 60 | 59 | 58 | 58 | 58 | 58 |
| Cloudier (%) | 39 | 39 | 38 | 39 | 39 | 39 | 38 | 39 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 41 | 42 | 42 | 42 | 42 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 61 | 39 |
| 2 | 61 | 39 |
| 3 | 62 | 38 |
| 4 | 61 | 39 |
| 5 | 61 | 39 |
| 6 | 61 | 39 |
| 7 | 62 | 38 |
| 8 | 61 | 39 |
| 9 | 62 | 38 |
| 10 | 62 | 38 |
| 11 | 63 | 37 |
| 12 | 63 | 37 |
| 13 | 63 | 37 |
| 14 | 63 | 37 |
| 15 | 63 | 37 |
| 16 | 63 | 37 |
| 17 | 62 | 38 |
| 18 | 62 | 38 |
| 19 | 61 | 39 |
| 20 | 61 | 39 |
| 21 | 61 | 39 |
| 22 | 60 | 40 |
| 23 | 60 | 40 |
| 24 | 60 | 40 |
| 25 | 60 | 40 |
| 26 | 59 | 41 |
| 27 | 58 | 42 |
| 28 | 58 | 42 |
| 29 | 58 | 42 |
| 30 | 58 | 42 |
Chance of precipitation in April
Saint-Barthélémy gets around 61 mm of rain over 7.5 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 25% and peaks near 27% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 22 |
| 2 | 22 |
| 3 | 22 |
| 4 | 23 |
| 5 | 23 |
| 6 | 23 |
| 7 | 24 |
| 8 | 24 |
| 9 | 24 |
| 10 | 24 |
| 11 | 24 |
| 12 | 23 |
| 13 | 23 |
| 14 | 24 |
| 15 | 24 |
| 16 | 24 |
| 17 | 24 |
| 18 | 24 |
| 19 | 25 |
| 20 | 25 |
| 21 | 25 |
| 22 | 26 |
| 23 | 26 |
| 24 | 26 |
| 25 | 27 |
| 26 | 27 |
| 27 | 27 |
| 28 | 27 |
| 29 | 27 |
| 30 | 27 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 97 | 97 | 96 | 96 | 95 | 94 | 94 | 93 | 93 | 92 | 91 | 90 | 89 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 11 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 98 | 2 |
| 16 | 98 | 2 |
| 17 | 98 | 2 |
| 18 | 97 | 3 |
| 19 | 97 | 3 |
| 20 | 96 | 4 |
| 21 | 96 | 4 |
| 22 | 95 | 5 |
| 23 | 94 | 6 |
| 24 | 94 | 6 |
| 25 | 93 | 7 |
| 26 | 93 | 7 |
| 27 | 92 | 8 |
| 28 | 91 | 9 |
| 29 | 90 | 10 |
| 30 | 89 | 11 |
Wind in April
Winds average 18 km/h in April.
Across April, daily wind ranges from about 17 km/h on the calmest days to 19 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 19 | light breeze |
| 2 | 19 | light breeze |
| 3 | 19 | light breeze |
| 4 | 18 | light breeze |
| 5 | 18 | light breeze |
| 6 | 18 | light breeze |
| 7 | 18 | light breeze |
| 8 | 18 | light breeze |
| 9 | 18 | light breeze |
| 10 | 18 | light breeze |
| 11 | 18 | light breeze |
| 12 | 18 | light breeze |
| 13 | 18 | light breeze |
| 14 | 18 | light breeze |
| 15 | 18 | light breeze |
| 16 | 18 | light breeze |
| 17 | 18 | light breeze |
| 18 | 18 | light breeze |
| 19 | 18 | light breeze |
| 20 | 18 | light breeze |
| 21 | 18 | light breeze |
| 22 | 18 | light breeze |
| 23 | 18 | light breeze |
| 24 | 18 | light breeze |
| 25 | 18 | light breeze |
| 26 | 17 | light breeze |
| 27 | 17 | light breeze |
| 28 | 17 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
Sunrise & sunset in April
Daylight runs from about 12 h 24 min at the start of April to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 84 minutes over April. Sunrise moves from 6:30 AM to 5:41 AM, and sunset from 6:56 PM to 7:31 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.4 | 12.5 | 12.5 | 12.6 | 12.6 | 12.7 | 12.7 | 12.8 | 12.8 | 12.9 | 12.9 | 13.0 | 13.0 | 13.1 | 13.1 | 13.2 | 13.2 | 13.3 | 13.3 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 |
| Sunrise (AM) | 6:30 | 6:28 | 6:26 | 6:24 | 6:22 | 6:21 | 6:19 | 6:17 | 6:15 | 6:13 | 6:12 | 6:10 | 6:08 | 6:06 | 6:05 | 6:03 | 6:01 | 6:00 | 5:58 | 5:56 | 5:55 | 5:53 | 5:51 | 5:50 | 5:48 | 5:47 | 5:45 | 5:44 | 5:42 | 5:41 |
| Sunset (PM) | 6:56 | 6:58 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:05 | 7:06 | 7:07 | 7:08 | 7:09 | 7:11 | 7:12 | 7:13 | 7:14 | 7:15 | 7:17 | 7:18 | 7:19 | 7:20 | 7:21 | 7:23 | 7:24 | 7:25 | 7:26 | 7:27 | 7:29 | 7:30 | 7:31 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 6:30 | 6:56 |
| 2 | 12.5 | 6:28 | 6:58 |
| 3 | 12.5 | 6:26 | 6:59 |
| 4 | 12.6 | 6:24 | 7:00 |
| 5 | 12.6 | 6:22 | 7:01 |
| 6 | 12.7 | 6:21 | 7:02 |
| 7 | 12.7 | 6:19 | 7:03 |
| 8 | 12.8 | 6:17 | 7:05 |
| 9 | 12.8 | 6:15 | 7:06 |
| 10 | 12.9 | 6:13 | 7:07 |
| 11 | 12.9 | 6:12 | 7:08 |
| 12 | 13.0 | 6:10 | 7:09 |
| 13 | 13.0 | 6:08 | 7:11 |
| 14 | 13.1 | 6:06 | 7:12 |
| 15 | 13.1 | 6:05 | 7:13 |
| 16 | 13.2 | 6:03 | 7:14 |
| 17 | 13.2 | 6:01 | 7:15 |
| 18 | 13.3 | 6:00 | 7:17 |
| 19 | 13.3 | 5:58 | 7:18 |
| 20 | 13.4 | 5:56 | 7:19 |
| 21 | 13.4 | 5:55 | 7:20 |
| 22 | 13.5 | 5:53 | 7:21 |
| 23 | 13.5 | 5:51 | 7:23 |
| 24 | 13.6 | 5:50 | 7:24 |
| 25 | 13.6 | 5:48 | 7:25 |
| 26 | 13.7 | 5:47 | 7:26 |
| 27 | 13.7 | 5:45 | 7:27 |
| 28 | 13.7 | 5:44 | 7:29 |
| 29 | 13.8 | 5:42 | 7:30 |
| 30 | 13.8 | 5:41 | 7:31 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.67 kWh/m².
For context, solar energy here swings from a low near 1.63 kWh/m² to a high of 7.36 kWh/m² in July across the year — April's 5.67 kWh/m² falls in the middle.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.1 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.4 | 5.4 | 5.5 | 5.5 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 |
| 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 | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.1 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.3 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.5 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.6 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.7 | Bright |
| 15 | 5.7 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.8 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 6.0 | Bright |
| 24 | 6.0 | Bright |
| 25 | 6.0 | Bright |
| 26 | 6.0 | Intense |
| 27 | 6.0 | Intense |
| 28 | 6.1 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
Hazard calendar for Saint-Barthélémy
In April, Saint-Barthélémy sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Saint-Barthélémy's rainy season runs September–January, when most of the year's rain falls.
Is April a good time to visit Saint-Barthélémy?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Saint-Barthélémy for sightseeing.
What to pack for Saint-Barthélémy in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Saint-Barthélémy sees daytime highs around 16°C and nights near 11°C. Worth packing: a warm layer and sun protection. About 8 days see rain.
Sea temperature near Saint-Barthélémy in April
The nearest coast averages about 14°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 22°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 29 to Sep 30 — about 3.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 13 | 13 | 13 | 14 | 16 | 19 | 21 | 22 | 21 | 19 | 17 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 13 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 14 | Bracing |
| May | 16 | Cool |
| Jun | 19 | Cool |
| Jul | 21 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 19 | Cool |
| Nov | 17 | Cool |
| Dec | 15 | Bracing |
UV index in Saint-Barthélémy in April
Clear-sky midday UV in April 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 Saint-Barthélémy peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 4 | 7 | 6 | 8 | 9 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Saint-Barthélémy in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Saint-Barthélémy is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 15 | 17 | 17 | 15 | 16 | 14 | 15 | 13 | 13 | 11 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 15 | Moderate |
| Mar | 17 | Moderate |
| Apr | 17 | Moderate |
| May | 15 | Moderate |
| Jun | 16 | Moderate |
| Jul | 14 | Moderate |
| Aug | 15 | Moderate |
| Sep | 13 | Moderate |
| Oct | 13 | Moderate |
| Nov | 11 | Good |
| Dec | 12 | Moderate |
Where is Saint-Barthélémy?
Saint-Barthélémy sits at 43.3°N, 5.4°E, 111 m above sea level, in France. The nearest listed city is Marseille 13, 1.0 km away.
Topography around Saint-Barthélémy
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Barthélémy.
Within 3 km, the terrain around Saint-Barthélémy has significant variations in elevation — a maximum elevation change of 256 m around an average of 97 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 773 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,261 m.
The land around Saint-Barthélémy is covered by artificial surfaces (69%) and trees (20%) within 3 km, trees (33%), water (23%) and artificial surfaces (21%) within 16 km, and trees (42%) and water (35%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- Religion
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 Saint-Barthélémy (43.331°, 5.4024°, elevation 111 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. 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).