Greenwich 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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Tue 12 May, 2026 Weather in Greenwich

Sunrise: 05:40 AM Sunset: 08:03 PM	Moonrise: 03:07 AM Moonset: 03:21 PM	Max: 17.2 °c	Min: 7.4 °c	Avg: 12.4 °c	Precip: 0.40 mm	Max Wind: 21.6 kph

	Tue 12 0:00 am	Tue 12 3:00 am	Tue 12 6:00 am	Tue 12 9:00 am	Tue 12 12:00 pm	Tue 12 3:00 pm	Tue 12 6:00 pm	Tue 12 9:00 pm
Icon
Temp	11.2°c	8.8°c	7.4°c	10.9°c	14.5°c	16.7°c	16.8°c	13.1°c
Wind	10.4 kmph	15.8 kmph	13.7 kmph	16.6 kmph	8.6 kmph	7.2 kmph	5.0 kmph	18.4 kmph
Precip	0.00 mm	0.30 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	100%	94%	4%	0%	4%	13%	11%	10%
Humidity	59%	73%	80%	53%	34%	33%	36%	52%
Pressure	1020 mb	1021 mb	1021 mb	1023 mb	1022 mb	1021 mb	1020 mb	1021 mb

Greenwich Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	2°C / 36°F	-3°C / 26°F	0°C / 32°F	175 hours	100.39 mm / 3.95 In	7 days	1017 mb / 31 In
February	4°C / 39°F	-3°C / 27°F	1°C / 33°F	148 hours	113.80 mm / 4.48 In	7 days	1017 mb / 31 In
March	8°C / 47°F	1°C / 34°F	5°C / 40°F	158 hours	135.03 mm / 5.32 In	7 days	1017 mb / 31 In
April	14°C / 57°F	7°C / 44°F	10°C / 50°F	161 hours	114.39 mm / 4.50 In	7 days	1016 mb / 30 In
May	20°C / 67°F	12°C / 53°F	16°C / 60°F	186 hours	123.94 mm / 4.88 In	8 days	1016 mb / 30 In
June	25°C / 77°F	17°C / 63°F	21°C / 69°F	198 hours	124.74 mm / 4.91 In	9 days	1014 mb / 30 In
July	29°C / 83°F	21°C / 70°F	25°C / 76°F	218 hours	154.83 mm / 6.10 In	10 days	1014 mb / 30 In
August	27°C / 81°F	20°C / 69°F	24°C / 75°F	221 hours	126.46 mm / 4.98 In	8 days	1015 mb / 30 In
September	24°C / 75°F	17°C / 62°F	20°C / 68°F	203 hours	119.45 mm / 4.70 In	7 days	1018 mb / 31 In
October	18°C / 64°F	11°C / 52°F	14°C / 58°F	178 hours	135.53 mm / 5.34 In	6 days	1017 mb / 31 In
November	11°C / 52°F	5°C / 41°F	8°C / 46°F	203 hours	100.52 mm / 3.96 In	6 days	1019 mb / 31 In
December	6°C / 42°F	1°C / 33°F	3°C / 38°F	163 hours	154.85 mm / 6.10 In	8 days	1018 mb / 31 In

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