Best year time to visit Sumner

General weather information about Sumner

Average annual temperature is 8.0 °C

Absolute maximum temperature: 33.8 °C

Absolute minimum temperature: -27.5 °C

Number of sunny days: 181 days

Number of rainy days: 144 days

Number of snow days: 40 days

Look at detailed online map of Sumner

* Weather data for Sumner United States is based on climate observations for 2026 year

Sumner air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.0	5.5	7.5	25.8	30.3	30.7	31.7	33.2	33.8	28.7	16.3	12.1
Average daytime temperature (°C)	-3.3	-1.3	2.3	10.5	21.6	26.6	26.1	26.4	23.3	13.9	5.9	3.7
Average temperature (°C)	-6.6	-6.7	-2.5	4.7	15.0	20.4	20.6	20.8	18.0	9.7	1.5	-0.2
Average night temperature (°C)	-9.3	-11.1	-6.5	0.2	9.3	15.1	15.5	16.2	14.1	6.3	-1.7	-2.6
Absolute minimum temperature (°C)	-25.4	-27.5	-14.8	-9.7	-1.8	7.6	11.5	11.0	6.0	-6.2	-14.2	-10.9

Sumner 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	8.0
Daylight mean duration (h)	9.2	10.4	11.9	13.5	14.9	15.6	15.3	14.1	12.5	11.0	9.5	8.8
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)	3.6	7.0	6.9	7.5	10.3	12.6	12.4	11.3	8.2	6.9	5.7	4.3
Precipitation (mm)	55	63	64	157	50	86	83	54	140	73	13	48
Sunny days	17	17	15	12	14	19	5	18	13	12	22	17
Rainy days	4	6	3	15	17	11	26	13	17	16	7	9
Snow days	10	5	13	3	0	0	0	0	0	3	1	5

Sumner - weather forecast by months

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Best time to visit Sumner:

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

May — 10.3(h)
June — 12.6(h)
July — 12.4(h)
August — 11.3(h)

Months with the longest average daylight duration in Sumner:

June — 15.6(h)
July — 15.3(h)

The largest precipitation sum in Sumner is at

April — 157(mm)

September — 140(mm)

Weather forecast in the closest to Sumner admin centers