Best year time to visit Österby

General weather information about Österby

Average annual temperature is 6.1 °C

Absolute maximum temperature: 29.5 °C

Absolute minimum temperature: -19.4 °C

Number of sunny days: 129 days

Number of rainy days: 170 days

Number of snow days: 66 days

Look at detailed online map of Österby

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

Österby air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.4	6.2	7.5	17.6	23.7	29.1	25.7	29.5	22.0	15.2	9.0	4.3
Average daytime temperature (°C)	-0.4	-0.3	1.3	10.5	16.0	22.0	21.1	21.4	18.5	6.8	1.5	-2.8
Average temperature (°C)	-2.4	-3.1	-2.4	4.8	10.9	16.8	16.7	17.3	14.9	4.2	-0.4	-4.8
Average night temperature (°C)	-4.4	-8.0	-7.1	-0.9	4.9	10.6	12.5	13.4	11.4	1.8	-2.9	-7.5
Absolute minimum temperature (°C)	-14.5	-19.0	-19.4	-9.7	-2.2	3.3	9.9	10.0	5.8	-3.4	-11.9	-16.4

Österby 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	19.0	18.0	16.0	14.0	11.0	8.0	6.0
Daylight mean duration (h)	6.7	9.1	11.8	14.7	17.3	18.9	18.1	15.7	12.9	10.1	7.4	5.9
Daylight minimum duration (h)	5.0	7.0	10.0	13.0	16.0	18.0	17.0	14.0	11.0	8.0	6.0	5.0
Sunshine mean duration (h)	0.7	2.4	4.9	10.9	12.5	14.9	13.0	9.3	7.5	4.3	0.7	0.3
Precipitation (mm)	107	40	76	20	42	29	107	101	77	92	76	65
Sunny days	9	12	9	23	16	16	4	10	7	13	5	5
Rainy days	11	6	9	7	13	14	27	21	23	16	15	8
Snow days	11	10	13	0	2	0	0	0	0	2	10	18

Österby - weather forecast by months

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

Best time to visit Österby:

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

April — 10.9(h)
May — 12.5(h)
June — 14.9(h)
July — 13.0(h)
August — 9.3(h)

Months with the longest average daylight duration in Österby:

May — 17.3(h)
June — 18.9(h)
July — 18.1(h)
August — 15.7(h)

The largest precipitation sum in Österby is at

January — 107(mm)

July — 107(mm)

August — 101(mm)

October — 92(mm)

Weather forecast in the closest to Österby admin centers