Jamestown Weather History Saint Helena

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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.
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Sat 06 Sep, 2025 Weather in Jamestown

Sunrise: 06:25 AM Sunset: 06:17 PM	Moonrise: 05:18 PM Moonset: 05:27 AM	Max: 20.5 °c	Min: 18.1 °c	Avg: 19.2 °c	Precip: 0.50 mm	Max Wind: 30.2 kph

	Sat 06 0:00 am	Sat 06 3:00 am	Sat 06 6:00 am	Sat 06 9:00 am	Sat 06 12:00 pm	Sat 06 3:00 pm	Sat 06 6:00 pm	Sat 06 9:00 pm
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Temp	20.3°c	19.9°c	19.9°c	20.2°c	18.2°c	18.1°c	18.4°c	18.6°c
Wind	28.4 kmph	30.2 kmph	29.9 kmph	26.3 kmph	22.0 kmph	24.5 kmph	28.1 kmph	26.6 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.10 mm	0.00 mm
Cloud	61%	58%	97%	93%	93%	85%	92%	96%
Humidity	80%	77%	78%	81%	81%	82%	78%	78%
Pressure	1019 mb	1017 mb	1018 mb	1020 mb	1019 mb	1018 mb	1018 mb	1020 mb

Jamestown Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	23°C / 74°F	21°C / 70°F	22°C / 72°F	126 hours	3.59 mm / 0.14 In	0 days	1015 mb / 30 In
February	24°C / 76°F	22°C / 72°F	23°C / 74°F	118 hours	5.21 mm / 0.21 In	0 days	1014 mb / 30 In
March	24°C / 76°F	23°C / 73°F	23°C / 74°F	113 hours	10.05 mm / 0.40 In	0 days	1014 mb / 30 In
April	24°C / 75°F	22°C / 72°F	23°C / 73°F	105 hours	5.90 mm / 0.23 In	0 days	1015 mb / 30 In
May	23°C / 74°F	21°C / 70°F	22°C / 72°F	100 hours	6.48 mm / 0.26 In	0 days	1017 mb / 31 In
June	22°C / 71°F	20°C / 68°F	21°C / 70°F	83 hours	8.19 mm / 0.32 In	0 days	1019 mb / 31 In
July	21°C / 69°F	19°C / 66°F	20°C / 68°F	74 hours	7.47 mm / 0.29 In	0 days	1020 mb / 31 In
August	20°C / 68°F	18°C / 64°F	19°C / 66°F	50 hours	4.18 mm / 0.16 In	0 days	1020 mb / 31 In
September	20°C / 67°F	18°C / 64°F	19°C / 66°F	38 hours	2.75 mm / 0.11 In	0 days	1019 mb / 31 In
October	20°C / 68°F	18°C / 64°F	19°C / 66°F	49 hours	1.47 mm / 0.06 In	0 days	1017 mb / 31 In
November	20°C / 69°F	19°C / 66°F	20°C / 67°F	60 hours	1.42 mm / 0.06 In	0 days	1016 mb / 30 In
December	22°C / 71°F	20°C / 68°F	21°C / 69°F	75 hours	3.02 mm / 0.12 In	0 days	1016 mb / 30 In

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