Best year time to visit Town of Wellesley

General weather information about Town of Wellesley

Average annual temperature is 11.2 °C

Absolute maximum temperature: 34.0 °C

Absolute minimum temperature: -24.4 °C

Number of sunny days: 158 days

Number of rainy days: 195 days

Number of snow days: 12 days

* Weather data for Town of Wellesley United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	12.9	15.6	15.7	30.2	29.9	32.5	33.0	29.5	34.0	28.1	18.8	15.7
Average daytime temperature (°C)	6.1	6.1	8.4	16.2	21.3	24.0	28.7	26.1	23.1	19.0	9.3	8.0
Average temperature (°C)	2.3	0.8	3.4	10.0	14.6	18.1	23.5	20.9	18.5	13.8	4.2	3.5
Average night temperature (°C)	-1.0	-4.0	-0.9	5.3	8.6	13.5	19.3	16.7	14.8	9.8	0.4	0.3
Absolute minimum temperature (°C)	-6.5	-24.4	-5.0	-3.7	2.4	7.1	14.1	12.6	7.3	2.5	-5.2	-6.8

The best time to visit Town of Wellesley during the most sunny months:

The largest precipitation sum in Town of Wellesley is at

January — 159(mm)

July — 209(mm)

August — 211(mm)

September — 203(mm)

December — 166(mm)

When is the best time to visit Town of Wellesley?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Town of Wellesley.

What is the weather like in Town of Wellesley?

See average temperature, rainfall and daylight hours for Town of Wellesley by month in the table above.

How many sunny days does Town of Wellesley have?

The monthly weather statistics above show sunshine and rainfall patterns for Town of Wellesley throughout the year.