Best year time to visit Sommarö

General weather information about Sommarö

Average annual temperature is 7.1 °C

Absolute maximum temperature: 25.6 °C

Absolute minimum temperature: -10.1 °C

Number of sunny days: 137 days

Number of rainy days: 184 days

Number of snow days: 44 days

Look at detailed online map of Sommarö

* Weather data for Sommarö Finland is based on climate observations for 2026 year

Sommarö air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	4.3	4.5	4.3	8.8	15.4	21.0	19.9	25.6	18.6	15.0	9.4	5.7
Average daytime temperature (°C)	1.8	0.9	0.8	5.3	9.1	16.2	17.8	18.5	16.9	9.0	3.7	-0.1
Average temperature (°C)	0.7	-0.2	-0.7	3.4	7.8	14.7	16.9	17.3	16.0	7.5	2.4	-1.4
Average night temperature (°C)	-0.4	-1.5	-2.3	1.5	6.6	13.3	16.0	16.4	15.0	6.1	0.9	-2.6
Absolute minimum temperature (°C)	-7.8	-7.8	-9.1	-4.8	0.2	7.4	13.3	14.4	11.9	-0.4	-8.9	-10.1

Sommarö 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	15.0	18.0	18.0	18.0	16.0	14.0	11.0	8.0	6.0
Daylight mean duration (h)	6.8	9.1	11.8	14.6	17.2	18.8	18.0	15.6	12.9	10.1	7.5	6.0
Daylight minimum duration (h)	5.0	7.0	10.0	13.0	15.0	18.0	16.0	14.0	11.0	8.0	6.0	5.0
Sunshine mean duration (h)	1.6	3.5	6.2	10.8	13.7	15.8	14.1	9.3	8.1	5.1	1.1	0.5
Precipitation (mm)	80	39	78	21	20	5	91	167	43	136	91	49
Sunny days	8	13	8	21	24	23	8	6	14	2	7	3
Rainy days	20	7	12	9	7	7	23	25	16	28	19	11
Snow days	3	8	11	0	0	0	0	0	0	1	4	17

Sommarö - weather forecast by months

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

Best time to visit Sommarö:

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

April — 10.8(h)
May — 13.7(h)
June — 15.8(h)
July — 14.1(h)

Months with the longest average daylight duration in Sommarö:

May — 17.2(h)
June — 18.8(h)
July — 18.0(h)
August — 15.6(h)

The largest precipitation sum in Sommarö is at

July — 91(mm)

August — 167(mm)

October — 136(mm)

November — 91(mm)

Weather forecast in the closest to Sommarö admin centers