Best year time to visit Osma

General weather information about Osma

Average annual temperature is 1.6 °C

Absolute maximum temperature: 26.6 °C

Absolute minimum temperature: -20.0 °C

Number of sunny days: 141 days

Number of rainy days: 137 days

Number of snow days: 87 days

Look at detailed online map of Osma

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

Osma air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	2.4	2.4	1.7	11.1	20.6	25.1	24.4	26.6	20.9	8.8	0.9	1.0
Average daytime temperature (°C)	-3.8	-4.5	-5.1	4.8	11.9	17.4	17.9	18.5	12.9	-0.1	-5.4	-7.2
Average temperature (°C)	-6.2	-6.9	-8.7	0.1	7.2	13.6	14.5	14.9	10.1	-2.7	-7.8	-9.1
Average night temperature (°C)	-8.5	-9.7	-12.4	-4.1	1.9	8.8	10.4	10.9	6.6	-5.8	-10.6	-11.5
Absolute minimum temperature (°C)	-18.4	-18.7	-20.0	-11.2	-5.5	0.0	3.9	4.4	-2.0	-14.4	-19.2	-18.4

Osma monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	6.0	9.0	13.0	17.0	22.0	24.0	24.0	19.0	14.0	11.0	7.0	3.0
Daylight mean duration (h)	4.1	8.0	11.7	15.6	20.0	24.0	22.0	17.1	13.2	9.4	5.5	2.1
Daylight minimum duration (h)	2.0	6.0	9.0	13.0	17.0	23.0	19.0	15.0	11.0	7.0	3.0	1.0
Sunshine mean duration (h)	0.6	1.6	5.9	10.9	12.5	14.7	11.4	8.6	5.4	3.1	0.4	0.0
Precipitation (mm)	53	27	38	35	60	38	82	106	161	66	38	34
Sunny days	12	10	14	19	15	10	6	8	7	14	16	10
Rainy days	2	5	3	6	14	20	25	23	23	9	4	3
Snow days	17	13	14	5	2	0	0	0	0	8	10	18

Osma - weather forecast by months

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

Best time to visit Osma:

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

April — 10.9(h)
May — 12.5(h)
June — 14.7(h)
July — 11.4(h)
August — 8.6(h)

Months with the longest average daylight duration in Osma:

May — 20.0(h)
June — 24.0(h)
July — 22.0(h)
August — 17.1(h)

The largest precipitation sum in Osma is at

July — 82(mm)

August — 106(mm)

September — 161(mm)

Weather forecast in the closest to Osma admin centers