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 09 Mar, 2026 Weather in Grand-Santi

Sunrise: 06:46 AM Sunset: 06:50 PM	Moonrise: 11:46 PM Moonset: 11:03 AM	Max: 26.9 °c	Min: 21.8 °c	Avg: 23.6 °c	Precip: 12.00 mm	Max Wind: 7.6 kph

	Mon 09 0:00 am	Mon 09 3:00 am	Mon 09 6:00 am	Mon 09 9:00 am	Mon 09 12:00 pm	Mon 09 3:00 pm	Mon 09 6:00 pm	Mon 09 9:00 pm
Icon
Temp	21.9°c	21.9°c	22.0°c	23.6°c	26.9°c	26.5°c	24.1°c	22.1°c
Wind	2.9 kmph	2.5 kmph	2.5 kmph	3.6 kmph	7.6 kmph	7.2 kmph	6.1 kmph	4.0 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.20 mm	1.30 mm	1.40 mm	1.40 mm	0.10 mm
Cloud	100%	100%	100%	100%	83%	88%	69%	100%
Humidity	99%	100%	100%	96%	82%	88%	96%	99%
Pressure	1013 mb	1011 mb	1011 mb	1014 mb	1012 mb	1010 mb	1010 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	25 hours	155.45 mm / 6.12 In	15 days	1012 mb / 30 In
February	30°C / 85°F	21°C / 70°F	25°C / 76°F	20 hours	176.07 mm / 6.93 In	15 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	179 hours	46.80 mm / 1.84 In	6 days	1011 mb / 30 In
October	35°C / 96°F	22°C / 72°F	28°C / 82°F	173 hours	46.09 mm / 1.81 In	7 days	1010 mb / 30 In
November	34°C / 93°F	22°C / 72°F	27°C / 80°F	117 hours	84.27 mm / 3.32 In	11 days	1009 mb / 30 In
December	31°C / 87°F	21°C / 71°F	25°C / 77°F	38 hours	171.33 mm / 6.75 In	17 days	1011 mb / 30 In

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