Weather in Wellesley in August

General weather information about Wellesley

Average annual temperature is 8.8 °C

Absolute maximum temperature: 31.0 °C

Absolute minimum temperature: -24.8 °C

Number of sunny days: 137 days

Number of rainy days: 188 days

Number of snow days: 40 days

Look at detailed online map of Wellesley

* Weather data for Wellesley Canada is based on climate observations for 2026 year

Wellesley air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	6.0	12.4	9.8	26.2	30.0	31.0	29.3	26.6	30.0	26.6	13.3	12.0
Average daytime temperature (°C)	0.9	2.6	3.8	13.6	19.6	23.8	25.4	23.0	21.5	14.5	6.2	4.5
Average temperature (°C)	-1.7	-2.7	-0.8	7.6	13.0	18.4	20.4	18.4	16.7	10.9	2.6	1.8
Average night temperature (°C)	-4.1	-6.6	-4.7	2.7	7.1	13.5	16.1	14.3	12.9	8.2	-0.6	-0.2
Absolute minimum temperature (°C)	-14.7	-24.8	-11.3	-6.2	0.2	9.8	12.4	8.7	5.9	-2.1	-8.0	-5.0

Wellesley monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	9.0
Daylight mean duration (h)	9.4	10.5	11.9	13.4	14.7	15.4	15.0	13.9	12.5	11.0	9.7	9.0
Daylight minimum duration (h)	9.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	2.1	5.9	6.0	8.5	11.5	11.7	11.5	9.9	9.4	5.3	4.7	2.4
Precipitation (mm)	76	77	114	115	42	76	125	76	30	70	59	81
Sunny days	9	11	8	12	20	13	4	11	15	9	13	12
Rainy days	13	9	10	16	11	17	27	20	15	22	13	15
Snow days	9	8	13	2	0	0	0	0	0	0	4	4

Wellesley - weather forecast by months

Wellesley weather in january Wellesley weather in february Wellesley weather in march Wellesley weather in april Wellesley weather in may Wellesley weather in june Wellesley weather in july Wellesley weather in august Wellesley weather in september Wellesley weather in october Wellesley weather in november Wellesley weather in december

Best time to visit Wellesley:

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

May — 11.5(h)
June — 11.7(h)
July — 11.5(h)
August — 9.9(h)
September — 9.4(h)

Months with the longest average daylight duration in Wellesley:

June — 15.4(h)

The largest precipitation sum in Wellesley is at

March — 114(mm)

April — 115(mm)

July — 125(mm)

Weather forecast in the closest to Wellesley admin centers