Grand-Santi Weather History French Guiana

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
Yearly Monthly Averages
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Mon 08 Sep, 2025 Weather in Grand-Santi

Sunrise: 06:30 AM Sunset: 06:40 PM	Moonrise: 07:31 PM Moonset: 07:06 AM	Max: 35.9 °c	Min: 21.6 °c	Avg: 26.9 °c	Precip: 2.20 mm	Max Wind: 7.9 kph

	Mon 08 0:00 am	Mon 08 3:00 am	Mon 08 6:00 am	Mon 08 9:00 am	Mon 08 12:00 pm	Mon 08 3:00 pm	Mon 08 6:00 pm	Mon 08 9:00 pm
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Temp	22.2°c	21.6°c	21.8°c	25.1°c	32.6°c	35.9°c	29.5°c	24.8°c
Wind	5.0 kmph	2.9 kmph	2.5 kmph	6.5 kmph	7.9 kmph	6.8 kmph	4.3 kmph	5.0 kmph
Precip	0.00 mm	0.40 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.30 mm
Cloud	100%	91%	100%	80%	54%	32%	43%	78%
Humidity	99%	100%	100%	88%	45%	32%	56%	79%
Pressure	1015 mb	1013 mb	1014 mb	1016 mb	1014 mb	1010 mb	1009 mb	1012 mb

Grand-Santi Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	30°C / 86°F	21°C / 70°F	24°C / 76°F	26 hours	156.52 mm / 6.16 In	16 days	1012 mb / 30 In
February	30°C / 85°F	21°C / 70°F	25°C / 76°F	19 hours	183.27 mm / 7.22 In	16 days	1012 mb / 30 In
March	30°C / 87°F	22°C / 71°F	25°C / 77°F	27 hours	161.22 mm / 6.35 In	13 days	1012 mb / 30 In
April	30°C / 86°F	22°C / 71°F	25°C / 77°F	18 hours	281.74 mm / 11.09 In	18 days	1012 mb / 30 In
May	30°C / 85°F	22°C / 72°F	25°C / 77°F	18 hours	390.78 mm / 15.38 In	23 days	1012 mb / 30 In
June	30°C / 87°F	22°C / 71°F	25°C / 77°F	42 hours	231.91 mm / 9.13 In	21 days	1013 mb / 30 In
July	31°C / 88°F	21°C / 71°F	25°C / 77°F	68 hours	173.04 mm / 6.81 In	18 days	1013 mb / 30 In
August	33°C / 91°F	22°C / 71°F	26°C / 79°F	132 hours	104.02 mm / 4.10 In	11 days	1012 mb / 30 In
September	35°C / 95°F	22°C / 72°F	27°C / 81°F	180 hours	48.37 mm / 1.90 In	6 days	1011 mb / 30 In
October	35°C / 95°F	22°C / 72°F	28°C / 82°F	173 hours	47.49 mm / 1.87 In	7 days	1010 mb / 30 In
November	34°C / 92°F	22°C / 72°F	27°C / 80°F	119 hours	87.53 mm / 3.45 In	12 days	1009 mb / 30 In
December	31°C / 87°F	21°C / 71°F	25°C / 77°F	39 hours	172.32 mm / 6.78 In	18 days	1011 mb / 30 In

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