Best year time to visit Önsta

General weather information about Önsta

Average annual temperature is 3.4 °C

Absolute maximum temperature: 27.4 °C

Absolute minimum temperature: -23.3 °C

Number of sunny days: 131 days

Number of rainy days: 155 days

Number of snow days: 79 days

Look at detailed online map of Önsta

* Weather data for Önsta Sweden is based on climate observations for 2026 year

Önsta air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	7.5	7.7	4.1	12.8	21.0	27.4	25.3	20.2	21.8	11.3	1.7	5.2
Average daytime temperature (°C)	-1.5	0.1	-1.8	5.0	12.6	20.2	18.5	17.2	15.1	3.9	-4.0	-6.0
Average temperature (°C)	-4.0	-2.5	-5.5	1.2	7.9	15.6	14.8	13.8	11.5	1.8	-6.0	-8.6
Average night temperature (°C)	-7.3	-5.8	-10.2	-2.8	2.3	10.4	11.1	10.3	7.6	-0.6	-8.5	-11.5
Absolute minimum temperature (°C)	-18.3	-16.4	-23.3	-9.3	-6.9	1.7	7.5	6.8	4.0	-7.3	-20.2	-22.9

Önsta monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	7.0	10.0	13.0	16.0	19.0	20.0	20.0	17.0	14.0	11.0	8.0	5.0
Daylight mean duration (h)	5.9	8.7	11.8	15.0	18.1	20.1	19.1	16.1	13.0	9.9	6.8	4.9
Daylight minimum duration (h)	4.0	7.0	10.0	13.0	16.0	19.0	17.0	14.0	11.0	8.0	5.0	4.0
Sunshine mean duration (h)	1.2	3.7	7.4	8.6	12.2	13.5	11.3	9.5	6.6	4.1	0.8	0.6
Precipitation (mm)	52	38	56	72	22	49	92	217	93	72	145	38
Sunny days	9	11	12	13	17	17	6	6	9	9	9	13
Rainy days	8	5	3	9	13	13	25	25	21	18	9	6
Snow days	14	12	16	8	1	0	0	0	0	4	12	12

Önsta - weather forecast by months

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

Best time to visit Önsta:

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

April — 8.6(h)
May — 12.2(h)
June — 13.5(h)
July — 11.3(h)
August — 9.5(h)

Months with the longest average daylight duration in Önsta:

May — 18.1(h)
June — 20.1(h)
July — 19.1(h)
August — 16.1(h)

The largest precipitation sum in Önsta is at

August — 217(mm)

November — 145(mm)

Weather forecast in the closest to Önsta admin centers