Greenwich Weather History Connecticut, United States of America

Weather History Form

Past date: Past date must be from 1st Jan, 2009 onwards.

Buy Weather Data

Daily and hourly data from 1 Jan 2009 onwards.
Yearly Monthly Averages
Monthly Climate Data
CSV format

Find out more»

Mon 03 Nov, 2025 Weather in Greenwich

Sunrise: 06:28 AM Sunset: 04:47 PM	Moonrise: 03:30 PM Moonset: 03:59 AM	Max: 14.2 °c	Min: 9.6 °c	Avg: 11.7 °c	Precip: 0.00 mm	Max Wind: 19.4 kph

	Mon 03 0:00 am	Mon 03 3:00 am	Mon 03 6:00 am	Mon 03 9:00 am	Mon 03 12:00 pm	Mon 03 3:00 pm	Mon 03 6:00 pm	Mon 03 9:00 pm
Icon
Temp	10.8°c	10.3°c	9.7°c	10.6°c	13.2°c	14.1°c	13.0°c	11.8°c
Wind	9.0 kmph	5.4 kmph	5.0 kmph	7.9 kmph	16.2 kmph	18.0 kmph	14.8 kmph	16.2 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	30%	0%	11%	57%	97%	99%	50%	10%
Humidity	85%	87%	89%	85%	77%	77%	85%	87%
Pressure	1026 mb	1025 mb	1025 mb	1024 mb	1022 mb	1018 mb	1016 mb	1015 mb

Greenwich Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	3°C / 37°F	-3°C / 27°F	0°C / 32°F	175 hours	96.68 mm / 3.81 In	7 days	1017 mb / 31 In
February	4°C / 39°F	-2°C / 28°F	1°C / 33°F	147 hours	108.36 mm / 4.27 In	7 days	1017 mb / 31 In
March	8°C / 47°F	1°C / 34°F	5°C / 40°F	162 hours	127.33 mm / 5.01 In	7 days	1017 mb / 31 In
April	14°C / 57°F	6°C / 44°F	10°C / 50°F	162 hours	116.95 mm / 4.60 In	7 days	1015 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 / 47°F	204 hours	96.23 mm / 3.79 In	6 days	1019 mb / 31 In
December	6°C / 43°F	1°C / 34°F	3°C / 38°F	163 hours	149.85 mm / 5.90 In	8 days	1019 mb / 31 In

Connecticut

Hotels Near Greenwich

Cities Near Greenwich

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, pollen, evapotranspiration, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started