Climate & Weather in St. Jean, 🇧🇱 Saint Barthelemy - Monthly Averages, Forecast & Air Quality

🇧🇱 St. Jean, #3423

Nomad Score 4.5

Coords 47.5646794, -52.7066964

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CURRENT CONDITIONS

Temperature 9°C / 3°C 🌧️

7-DAY FORECAST

Forecast data is being collected. Please check back soon.

BEST MONTHS TO VISIT

Month	Rating	Avg High	Avg Low	Rain Days	Sun (hrs)	Humidity
July	Good	20.7°C	13.9°C	10.6	288.3	85.8%
August	Good	20.7°C	14.3°C	12.4	269.7	82.2%
September	Fair	17.0°C	11.7°C	10.8	210.0	83.7%
June	Poor	15.6°C	8.5°C	12.4	246.0	85.1%
May	Poor	9.6°C	2.7°C	11.6	244.9	81.9%
March	Poor	2.6°C	-3.3°C	14.1	176.7	81.3%
April	Poor	5.0°C	-0.1°C	14.6	159.0	84.9%
October	Poor	12.0°C	7.1°C	10.6	167.4	83.1%
December	Poor	3.2°C	-1.7°C	14.7	89.9	81.4%
February	Poor	0.1°C	-5.8°C	15.5	123.2	79.6%
January	Poor	1.1°C	-3.8°C	15.1	99.2	82.6%
November	Poor	7.2°C	2.5°C	17.2	105.0	82.7%

Ratings based on temperature comfort, rainfall, sunshine, and humidity. Ideal for digital nomads.

TEMPERATURE BY MONTH

PRECIPITATION & RAIN DAYS

SUNSHINE, UV & HUMIDITY

AIR QUALITY

🟢 Good

US Air Quality Index

European AQI: 17

PM2.5 9.6 µg/m³

PM10 10.1 µg/m³

Ozone 43.0 µg/m³

NO₂ 10.4 µg/m³

SO₂ 2.2 µg/m³

CO 154.0 µg/m³

UV Index 2.3

Dust 0.0 µg/m³

Measured: 1 month ago. Source: Open-Meteo.

MONTHLY CLIMATE DATA

Month	High	Low	Mean	Feels Hi	Feels Lo	Precip	Rain Days	Snow	Sun	Daylight	UV	Humidity	Wind	Clouds
Jan	1.1°	-3.8°	-1.2°	-4.1°	-9.7°	161.8 mm	15.1	46.4 cm	99.2 hrs	8.9 hrs	-	82.6%	31.9 km/h	81.6%
Feb	0.1°	-5.8°	-2.8°	-5.6°	-12.2°	159.5 mm	15.5	64.3 cm	123.2 hrs	10.3 hrs	-	79.6%	34.1 km/h	79.2%
Mar	2.6°	-3.3°	-0.6°	-2.5°	-9.2°	118.4 mm	14.1	45.0 cm	176.7 hrs	11.9 hrs	-	81.3%	31.2 km/h	78.1%
Apr	5.0°	-0.1°	2.3°	0.5°	-5.6°	143.9 mm	14.6	13.8 cm	159.0 hrs	13.7 hrs	-	84.9%	29.3 km/h	83.2%
May	9.6°	2.7°	5.9°	6.6°	-1.9°	94.6 mm	11.6	1.2 cm	244.9 hrs	15.1 hrs	-	81.9%	25.1 km/h	75.5%
Jun	15.6°	8.5°	11.9°	14.5°	5.1°	115.9 mm	12.4	1.3 cm	246.0 hrs	15.9 hrs	-	85.1%	25.4 km/h	75.6%
Jul	20.7°	13.9°	17.1°	21.2°	12.3°	83.7 mm	10.6	0.0 cm	288.3 hrs	15.5 hrs	-	85.8%	23.4 km/h	75.2%
Aug	20.7°	14.3°	17.3°	20.6°	12.7°	106.0 mm	12.4	0.0 cm	269.7 hrs	14.2 hrs	-	82.2%	24.3 km/h	68.9%
Sep	17.0°	11.7°	14.3°	15.7°	9.2°	100.3 mm	10.8	0.0 cm	210.0 hrs	12.5 hrs	-	83.7%	25.4 km/h	69.6%
Oct	12.0°	7.1°	9.5°	9.0°	3.3°	93.7 mm	10.6	0.6 cm	167.4 hrs	10.8 hrs	-	83.1%	25.9 km/h	72.0%
Nov	7.2°	2.5°	4.8°	3.0°	-2.6°	205.6 mm	17.2	9.2 cm	105.0 hrs	9.3 hrs	-	82.7%	31.8 km/h	79.7%
Dec	3.2°	-1.7°	0.7°	-2.1°	-7.6°	123.1 mm	14.7	28.6 cm	89.9 hrs	8.5 hrs	-	81.4%	33.3 km/h	79.9%

Based on historical averages. Source: Open-Meteo.

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