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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Thu 17 Jul, 2025 Weather in Jamestown

Sunrise: 06:51 AM Sunset: 06:07 PM	Moonrise: No moonrise Moonset: 11:32 AM	Max: 20.1 °c	Min: 18.2 °c	Avg: 19.0 °c	Precip: 1.11 mm	Max Wind: 35.6 kph

	Thu 17 0:00 am	Thu 17 3:00 am	Thu 17 6:00 am	Thu 17 9:00 am	Thu 17 12:00 pm	Thu 17 3:00 pm	Thu 17 6:00 pm	Thu 17 9:00 pm
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Temp	20.0°c	19.8°c	19.3°c	20.0°c	18.3°c	18.5°c	18.4°c	18.3°c
Wind	29.9 kmph	33.5 kmph	32.8 kmph	34.2 kmph	34.2 kmph	31.7 kmph	32.8 kmph	31.7 kmph
Precip	0.00 mm	0.07 mm	0.00 mm	0.00 mm	0.05 mm	0.05 mm	0.06 mm	0.08 mm
Cloud	7%	72%	48%	87%	87%	85%	82%	83%
Humidity	66%	73%	66%	61%	67%	66%	68%	69%
Pressure	1023 mb	1021 mb	1021 mb	1023 mb	1022 mb	1021 mb	1022 mb	1023 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	78 hours	6.00 mm / 0.24 In	0 days	1020 mb / 31 In
August	20°C / 68°F	18°C / 64°F	19°C / 66°F	50 hours	3.03 mm / 0.12 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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