Portsmouth Weather History New Hampshire, United States of America

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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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Wed 23 Apr, 2025 Weather in Portsmouth

Sunrise: 05:48 AM Sunset: 07:36 PM	Moonrise: 03:45 AM Moonset: 02:36 PM	Max: 19.9 °c	Min: 7.7 °c	Avg: 13.3 °c	Precip: 0.00 mm	Max Wind: 19.8 kph

	Wed 23 0:00 am	Wed 23 3:00 am	Wed 23 6:00 am	Wed 23 9:00 am	Wed 23 12:00 pm	Wed 23 3:00 pm	Wed 23 6:00 pm	Wed 23 9:00 pm
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Temp	10.5°c	8.3°c	7.9°c	11.5°c	16.5°c	19.4°c	17.8°c	14.3°c
Wind	16.2 kmph	14.4 kmph	11.5 kmph	19.8 kmph	16.2 kmph	16.9 kmph	10.8 kmph	9.4 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	0%	0%	0%	0%	0%	0%	0%	0%
Humidity	53%	57%	59%	53%	42%	37%	36%	42%
Pressure	1017 mb	1019 mb	1020 mb	1021 mb	1021 mb	1020 mb	1021 mb	1023 mb

Portsmouth Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	0°C / 33°F	-6°C / 21°F	-3°C / 27°F	176 hours	105.35 mm / 4.15 In	8 days	1015 mb / 30 In
February	2°C / 35°F	-6°C / 22°F	-2°C / 29°F	151 hours	105.27 mm / 4.14 In	7 days	1016 mb / 30 In
March	5°C / 42°F	-2°C / 29°F	2°C / 35°F	150 hours	124.52 mm / 4.90 In	8 days	1016 mb / 30 In
April	11°C / 52°F	4°C / 38°F	7°C / 45°F	152 hours	119.03 mm / 4.69 In	8 days	1015 mb / 30 In
May	17°C / 63°F	9°C / 48°F	13°C / 55°F	184 hours	81.31 mm / 3.20 In	7 days	1016 mb / 30 In
June	22°C / 71°F	14°C / 57°F	18°C / 64°F	192 hours	112.81 mm / 4.44 In	9 days	1013 mb / 30 In
July	26°C / 78°F	18°C / 64°F	21°C / 71°F	224 hours	123.88 mm / 4.88 In	9 days	1014 mb / 30 In
August	25°C / 77°F	17°C / 63°F	21°C / 70°F	236 hours	102.23 mm / 4.02 In	7 days	1015 mb / 30 In
September	21°C / 70°F	14°C / 56°F	17°C / 63°F	214 hours	91.75 mm / 3.61 In	6 days	1018 mb / 31 In
October	15°C / 60°F	8°C / 47°F	12°C / 53°F	174 hours	123.98 mm / 4.88 In	7 days	1017 mb / 30 In
November	9°C / 48°F	2°C / 36°F	6°C / 42°F	199 hours	106.14 mm / 4.18 In	6 days	1018 mb / 31 In
December	4°C / 39°F	-2°C / 28°F	1°C / 34°F	166 hours	146.27 mm / 5.76 In	9 days	1017 mb / 31 In

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