Climate & Weather in Cayenne, 🇬🇫 French Guiana - Monthly Averages, Forecast & Air Quality

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🇬🇫 Cayenne, #3126

Nomad Score 4.9

Coords 4.9371544, -52.3258736

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CURRENT CONDITIONS

Temperature 29.8°C / 24.1°C

Feels Like 35.7°C / 29.0°C

Weather 🌧️ Moderate rain showers

Humidity %

Wind 14.3 km/h (gusts 35.3)

UV Index 9.1

Sunrise / Sunset 06:24 / 18:38

Daylight 12.2 hrs

Last updated: 18 hours ago

7-DAY FORECAST

Date	Weather	High	Low	Feels Like	Precip	Rain %	Wind	UV
Mon 24 Aug	🌧️ Moderate rain showers	29.8°	24.1°	35.7° / 29.0°	11.0 mm	75%	14.3 km/h	9.1
Tue 25 Aug	🌧️ Light drizzle	30.5°	23.4°	37.0° / 27.8°	1.5 mm	61%	15.2 km/h	9.1
Wed 26 Aug	🌧️ Moderate drizzle	28.4°	25.8°	33.5° / 29.8°	6.0 mm	89%	16.6 km/h	9.1
Thu 27 Aug	🌧️ Light drizzle	29.8°	25.8°	34.7° / 29.5°	2.1 mm	49%	21.5 km/h	9.1
Fri 28 Aug	🌧️ Moderate drizzle	30.0°	26.5°	34.7° / 30.0°	2.3 mm	41%	21.4 km/h	9.3
Sat 29 Aug	🌧️ Light drizzle	30.6°	25.7°	34.0° / 29.1°	0.4 mm	45%	26.3 km/h	9.1

BEST MONTHS TO VISIT

Month	Rating	Avg High	Avg Low	Rain Days	Sun (hrs)	Humidity
October	Good	30.4°C	25.1°C	13.4	328.6	79.1%
June	Fair	28.1°C	23.6°C	28.8	255.0	89.0%
September	Fair	30.8°C	24.8°C	12.4	336.0	78.8%
January	Fair	27.3°C	23.9°C	27.1	223.2	84.5%
March	Fair	27.8°C	24.2°C	26.3	241.8	82.8%
May	Fair	27.8°C	23.9°C	29.4	201.5	89.7%
July	Fair	28.7°C	23.7°C	26.7	306.9	86.7%
April	Fair	27.9°C	24.2°C	28.8	219.0	86.1%
December	Fair	28.0°C	24.1°C	27.9	235.6	85.4%
November	Fair	29.1°C	24.6°C	23.8	285.0	82.8%
February	Fair	27.2°C	23.9°C	26.6	190.4	85.0%
August	Fair	29.8°C	24.0°C	19.9	334.8	83.2%

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: 21

PM2.5 10.6 µg/m³

PM10 15.2 µg/m³

Ozone 53.0 µg/m³

NO₂ 0.5 µg/m³

SO₂ 0.2 µg/m³

CO 110.0 µg/m³

UV Index 0.1

Dust 0.0 µg/m³

Measured: 3 hours ago. Source: Open-Meteo.

MONTHLY CLIMATE DATA

Month	High	Low	Mean	Feels Hi	Feels Lo	Precip	Rain Days	Sun	Daylight	UV	Humidity	Wind	Clouds
Jan	27.3°	23.9°	25.5°	31.0°	27.1°	473.3 mm	27.1	223.2 hrs	11.9 hrs	-	84.5%	19.0 km/h	83.1%
Feb	27.2°	23.9°	25.4°	30.8°	27.0°	533.4 mm	26.6	190.4 hrs	12.0 hrs	-	85.0%	20.4 km/h	84.0%
Mar	27.8°	24.2°	25.9°	31.7°	27.5°	377.8 mm	26.3	241.8 hrs	12.1 hrs	-	82.8%	19.8 km/h	84.5%
Apr	27.9°	24.2°	25.9°	32.3°	27.9°	546.8 mm	28.8	219.0 hrs	12.2 hrs	-	86.1%	18.5 km/h	86.6%
May	27.8°	23.9°	25.7°	32.7°	28.2°	684.1 mm	29.4	201.5 hrs	12.3 hrs	-	89.7%	16.9 km/h	90.5%
Jun	28.1°	23.6°	25.7°	33.4°	28.0°	508.3 mm	28.8	255.0 hrs	12.4 hrs	-	89.0%	14.7 km/h	80.4%
Jul	28.7°	23.7°	26.0°	34.2°	28.2°	339.3 mm	26.7	306.9 hrs	12.4 hrs	-	86.7%	14.9 km/h	71.2%
Aug	29.8°	24.0°	26.7°	35.4°	28.3°	154.7 mm	19.9	334.8 hrs	12.3 hrs	-	83.2%	15.9 km/h	53.9%
Sep	30.8°	24.8°	27.6°	35.8°	29.2°	79.5 mm	12.4	336.0 hrs	12.1 hrs	-	78.8%	17.6 km/h	51.0%
Oct	30.4°	25.1°	27.6°	35.4°	29.4°	100.6 mm	13.4	328.6 hrs	12.0 hrs	-	79.1%	17.4 km/h	65.2%
Nov	29.1°	24.6°	26.7°	34.1°	28.8°	237.8 mm	23.8	285.0 hrs	11.9 hrs	-	82.8%	16.9 km/h	77.1%
Dec	28.0°	24.1°	25.9°	32.3°	27.8°	387.7 mm	27.9	235.6 hrs	11.8 hrs	-	85.4%	18.4 km/h	84.9%

Based on historical averages. Source: Open-Meteo.