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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Mon 10 Aug, 2026 Weather in Greenwich

Sunrise: 05:59 AM Sunset: 08:00 PM	Moonrise: 02:37 AM Moonset: 06:40 PM	Max: 32.8 °c	Min: 20.2 °c	Avg: 25.3 °c	Precip: 1.30 mm	Max Wind: 17.9 kph

	Mon 10 0:00 am	Mon 10 3:00 am	Mon 10 6:00 am	Mon 10 9:00 am	Mon 10 12:00 pm	Mon 10 3:00 pm	Mon 10 6:00 pm	Mon 10 9:00 pm
Icon
Temp	22.2°c	20.9°c	20.5°c	23.8°c	29.1°c	32.8°c	28.2°c	24.3°c
Wind	5.4 kmph	7.9 kmph	4.7 kmph	1.1 kmph	6.8 kmph	12.6 kmph	14.8 kmph	9.7 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	1.30 mm	0.00 mm
Cloud	0%	0%	0%	0%	0%	0%	88%	72%
Humidity	69%	76%	70%	73%	54%	55%	56%	80%
Pressure	1016 mb	1016 mb	1016 mb	1017 mb	1015 mb	1013 mb	1011 mb	1013 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	175 hours	121.87 mm / 4.80 In	8 days	1016 mb / 30 In
June	25°C / 77°F	17°C / 63°F	21°C / 70°F	187 hours	122.70 mm / 4.83 In	8 days	1014 mb / 30 In
July	29°C / 84°F	21°C / 70°F	25°C / 76°F	206 hours	159.16 mm / 6.27 In	9 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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