Groton Weather History Connecticut, 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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Sun 08 Feb, 2026 Weather in Groton

Sunrise: 06:52 AM Sunset: 05:14 PM	Moonrise: No moonrise Moonset: 09:45 AM	Max: -6.8 °c	Min: -17.4 °c	Avg: -12.7 °c	Precip: 0.00 mm	Max Wind: 34.2 kph

	Sun 08 0:00 am	Sun 08 3:00 am	Sun 08 6:00 am	Sun 08 9:00 am	Sun 08 12:00 pm	Sun 08 3:00 pm	Sun 08 6:00 pm	Sun 08 9:00 pm
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Temp	-14.6°c	-16.2°c	-17.2°c	-14.9°c	-10.2°c	-7.2°c	-9.1°c	-12.0°c
Wind	33.8 kmph	31.3 kmph	27.0 kmph	26.3 kmph	25.9 kmph	24.5 kmph	25.9 kmph	22.0 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	5%	10%	7%	2%	0%	0%	0%	0%
Humidity	61%	60%	61%	58%	53%	53%	58%	64%
Pressure	1012 mb	1014 mb	1016 mb	1017 mb	1017 mb	1017 mb	1019 mb	1020 mb

Groton Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	3°C / 37°F	-3°C / 26°F	0°C / 32°F	178 hours	106.71 mm / 4.20 In	7 days	1016 mb / 30 In
February	4°C / 39°F	-3°C / 27°F	1°C / 33°F	146 hours	114.25 mm / 4.50 In	7 days	1017 mb / 31 In
March	7°C / 45°F	1°C / 33°F	4°C / 39°F	166 hours	135.70 mm / 5.34 In	7 days	1017 mb / 31 In
April	13°C / 55°F	6°C / 42°F	9°C / 48°F	166 hours	123.21 mm / 4.85 In	7 days	1015 mb / 30 In
May	18°C / 64°F	11°C / 51°F	14°C / 57°F	186 hours	131.02 mm / 5.16 In	8 days	1016 mb / 30 In
June	23°C / 73°F	15°C / 59°F	19°C / 66°F	201 hours	122.13 mm / 4.81 In	8 days	1014 mb / 30 In
July	27°C / 80°F	20°C / 67°F	23°C / 73°F	221 hours	112.48 mm / 4.43 In	8 days	1014 mb / 30 In
August	26°C / 79°F	19°C / 66°F	22°C / 72°F	233 hours	116.07 mm / 4.57 In	7 days	1015 mb / 30 In
September	23°C / 73°F	16°C / 60°F	19°C / 66°F	209 hours	104.34 mm / 4.11 In	6 days	1018 mb / 31 In
October	17°C / 63°F	11°C / 51°F	14°C / 57°F	184 hours	140.09 mm / 5.52 In	6 days	1017 mb / 31 In
November	11°C / 52°F	5°C / 40°F	8°C / 46°F	203 hours	112.82 mm / 4.44 In	6 days	1018 mb / 31 In
December	6°C / 43°F	0°C / 33°F	3°C / 38°F	171 hours	172.54 mm / 6.79 In	7 days	1018 mb / 31 In

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