Best year time to visit Posio

General weather information about Posio

Average annual temperature is 2.0 °C

Absolute maximum temperature: 25.2 °C

Absolute minimum temperature: -18.6 °C

Number of sunny days: 109 days

Number of rainy days: 143 days

Number of snow days: 113 days

Look at detailed online map of Posio

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

Posio air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.2	1.4	-0.5	8.7	20.5	23.2	23.3	25.2	19.4	9.4	0.8	-1.2
Average daytime temperature (°C)	-3.9	-4.9	-5.2	3.9	11.4	16.6	17.3	18.3	13.6	0.5	-4.8	-7.0
Average temperature (°C)	-5.6	-6.7	-7.9	-0.3	6.7	12.9	14.4	15.3	11.1	-1.1	-6.5	-8.4
Average night temperature (°C)	-7.1	-8.6	-10.5	-3.8	1.9	8.5	11.1	12.0	8.4	-3.0	-8.4	-10.1
Absolute minimum temperature (°C)	-15.6	-15.5	-18.6	-9.3	-5.8	1.5	6.1	6.8	2.0	-10.1	-15.8	-16.7

Posio 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	21.0	24.0	24.0	18.0	14.0	11.0	7.0	4.0
Daylight mean duration (h)	4.6	8.2	11.7	15.4	19.4	23.5	21.1	16.8	13.1	9.5	5.8	3.1
Daylight minimum duration (h)	3.0	6.0	9.0	13.0	17.0	21.0	18.0	14.0	11.0	7.0	4.0	2.0
Sunshine mean duration (h)	0.3	1.3	5.1	10.7	11.5	14.3	9.5	9.7	5.2	2.1	0.2	0.1
Precipitation (mm)	53	31	42	32	38	52	105	109	123	69	25	31
Sunny days	9	4	5	19	12	11	5	10	5	12	10	7
Rainy days	2	4	2	7	16	19	26	21	25	12	4	5
Snow days	20	20	24	4	3	0	0	0	0	7	16	19

Posio - weather forecast by months

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

Best time to visit Posio:

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

April — 10.7(h)
May — 11.5(h)
June — 14.3(h)
July — 9.5(h)
August — 9.7(h)

Months with the longest average daylight duration in Posio:

May — 19.4(h)
June — 23.5(h)
July — 21.1(h)
August — 16.8(h)

The largest precipitation sum in Posio is at

July — 105(mm)

August — 109(mm)

September — 123(mm)

Weather forecast in the closest to Posio admin centers