Best year time to visit Summerville

General weather information about Summerville

Average annual temperature is 10.0 °C

Absolute maximum temperature: 33.4 °C

Absolute minimum temperature: -25.9 °C

Number of sunny days: 154 days

Number of rainy days: 180 days

Number of snow days: 31 days

Look at detailed online map of Summerville

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

Summerville air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	6.1	14.0	11.2	26.8	27.2	31.7	30.1	29.8	33.4	27.8	14.3	12.6
Average daytime temperature (°C)	1.9	3.8	4.8	13.4	18.3	23.3	26.5	24.3	22.7	16.5	7.9	5.6
Average temperature (°C)	-0.4	-1.7	0.6	8.4	13.1	18.9	22.0	20.1	18.4	12.9	4.3	3.0
Average night temperature (°C)	-2.9	-6.1	-2.9	3.8	8.1	14.9	17.5	16.0	14.5	10.0	1.0	0.7
Absolute minimum temperature (°C)	-13.8	-25.9	-9.2	-5.2	1.7	11.1	13.9	10.5	7.5	-1.7	-4.9	-4.5

Summerville 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	15.1	13.9	12.5	11.0	9.7	9.0
Daylight minimum duration (h)	8.0	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)	3.3	6.6	6.5	9.1	11.5	11.6	11.6	11.0	10.0	6.4	5.4	2.9
Precipitation (mm)	78	77	106	109	45	120	139	130	13	64	53	88
Sunny days	9	14	9	14	23	15	2	12	20	11	15	10
Rainy days	14	6	11	16	8	15	29	19	10	20	13	19
Snow days	8	8	11	0	0	0	0	0	0	0	2	2

Summerville - weather forecast by months

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

Best time to visit Summerville:

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

May — 11.5(h)
June — 11.6(h)
July — 11.6(h)
August — 11.0(h)

Months with the longest average daylight duration in Summerville:

June — 15.4(h)

The largest precipitation sum in Summerville is at

April — 109(mm)

June — 120(mm)

July — 139(mm)

August — 130(mm)

Weather forecast in the closest to Summerville admin centers