Best year time to visit Onalaska

General weather information about Onalaska

Average annual temperature is 10.5 °C

Absolute maximum temperature: 37.3 °C

Absolute minimum temperature: -6.8 °C

Number of sunny days: 156 days

Number of rainy days: 207 days

Number of snow days: 2 days

Look at detailed online map of Onalaska

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

Onalaska air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	13.8	15.0	17.5	26.8	31.4	29.0	32.2	37.3	30.1	25.2	14.8	15.8
Average daytime temperature (°C)	8.8	7.5	10.2	12.4	21.7	22.6	27.0	28.3	21.7	16.5	10.2	9.7
Average temperature (°C)	5.0	3.0	4.6	7.0	14.1	14.7	18.2	19.8	14.9	11.0	6.0	6.6
Average night temperature (°C)	2.4	0.1	1.1	3.4	8.6	8.8	11.3	13.7	10.4	7.7	3.3	4.3
Absolute minimum temperature (°C)	-6.4	-6.8	-4.8	-1.3	4.4	5.6	8.9	8.5	6.9	-2.3	-4.0	-0.2

Onalaska 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)	9.1	10.3	11.9	13.6	15.0	15.8	15.4	14.2	12.6	10.9	9.4	8.6
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	8.0	8.0
Sunshine mean duration (h)	3.7	4.6	6.7	6.1	10.6	11.6	13.1	11.5	8.4	6.7	5.2	3.2
Precipitation (mm)	108	138	158	205	53	30	10	21	77	117	190	302
Sunny days	6	9	3	5	19	19	27	20	15	13	13	7
Rainy days	25	18	27	25	12	11	4	11	15	18	17	24
Snow days	0	1	1	0	0	0	0	0	0	0	0	0

Onalaska - weather forecast by months

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

Best time to visit Onalaska:

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

May — 10.6(h)
June — 11.6(h)
July — 13.1(h)
August — 11.5(h)

Months with the longest average daylight duration in Onalaska:

June — 15.8(h)
July — 15.4(h)

The largest precipitation sum in Onalaska is at

March — 158(mm)

April — 205(mm)

November — 190(mm)

December — 302(mm)

Weather forecast in the closest to Onalaska admin centers