Wellesley Weather History Massachusetts, 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.
Yearly Monthly Averages
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Sat 06 Sep, 2025 Weather in Wellesley

Sunrise: 06:16 AM Sunset: 07:10 PM	Moonrise: 06:48 PM Moonset: 04:41 AM	Max: 25.2 °c	Min: 19.8 °c	Avg: 22.4 °c	Precip: 0.00 mm	Max Wind: 25.6 kph

	Sat 06 0:00 am	Sat 06 3:00 am	Sat 06 6:00 am	Sat 06 9:00 am	Sat 06 12:00 pm	Sat 06 3:00 pm	Sat 06 6:00 pm	Sat 06 9:00 pm
Icon
Temp	20.5°c	19.8°c	20.3°c	22.6°c	25.1°c	25.0°c	23.6°c	22.4°c
Wind	15.1 kmph	14.8 kmph	14.4 kmph	22.0 kmph	25.6 kmph	20.9 kmph	4.7 kmph	4.3 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	4%	31%	85%	100%	88%	94%	83%	95%
Humidity	90%	92%	95%	88%	79%	80%	86%	92%
Pressure	1015 mb	1015 mb	1016 mb	1015 mb	1014 mb	1014 mb	1013 mb	1014 mb

Wellesley Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	1°C / 34°F	-6°C / 22°F	-2°C / 28°F	177 hours	97.47 mm / 3.84 In	7 days	1016 mb / 30 In
February	3°C / 37°F	-5°C / 23°F	-1°C / 30°F	145 hours	100.85 mm / 3.97 In	7 days	1016 mb / 30 In
March	7°C / 45°F	-1°C / 30°F	3°C / 37°F	153 hours	126.17 mm / 4.97 In	8 days	1016 mb / 30 In
April	14°C / 57°F	4°C / 40°F	9°C / 48°F	152 hours	106.94 mm / 4.21 In	8 days	1015 mb / 30 In
May	20°C / 68°F	10°C / 50°F	15°C / 59°F	178 hours	102.41 mm / 4.03 In	8 days	1016 mb / 30 In
June	25°C / 77°F	14°C / 58°F	19°C / 67°F	184 hours	113.73 mm / 4.48 In	9 days	1013 mb / 30 In
July	29°C / 84°F	18°C / 65°F	23°C / 74°F	210 hours	115.93 mm / 4.56 In	9 days	1014 mb / 30 In
August	28°C / 82°F	18°C / 64°F	22°C / 72°F	223 hours	100.02 mm / 3.94 In	8 days	1015 mb / 30 In
September	24°C / 74°F	14°C / 57°F	18°C / 65°F	209 hours	95.99 mm / 3.78 In	6 days	1018 mb / 31 In
October	17°C / 62°F	9°C / 47°F	12°C / 54°F	175 hours	115.16 mm / 4.53 In	8 days	1017 mb / 31 In
November	10°C / 50°F	2°C / 36°F	6°C / 43°F	203 hours	98.98 mm / 3.90 In	6 days	1018 mb / 31 In
December	5°C / 40°F	-2°C / 29°F	1°C / 34°F	174 hours	131.90 mm / 5.19 In	8 days	1018 mb / 31 In

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