Best year time to visit Sumsa

General weather information about Sumsa

Average annual temperature is 3.1 °C

Absolute maximum temperature: 27.6 °C

Absolute minimum temperature: -23.3 °C

Number of sunny days: 110 days

Number of rainy days: 164 days

Number of snow days: 91 days

Look at detailed online map of Sumsa

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

Sumsa air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	2.9	1.5	2.1	11.4	22.6	25.0	23.5	27.6	21.1	10.7	1.8	1.4
Average daytime temperature (°C)	-3.2	-4.3	-3.3	5.9	13.5	18.2	17.7	20.0	15.3	2.6	-3.5	-6.0
Average temperature (°C)	-4.9	-6.4	-6.4	0.1	8.6	13.9	14.6	16.4	12.4	0.8	-5.2	-7.6
Average night temperature (°C)	-6.7	-8.4	-9.4	-4.0	3.1	8.6	11.0	12.5	9.6	-1.0	-7.0	-9.1
Absolute minimum temperature (°C)	-23.3	-16.2	-19.4	-10.3	-4.9	1.7	7.0	8.4	5.6	-7.7	-15.7	-15.5

Sumsa monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	6.0	10.0	13.0	16.0	20.0	21.0	20.0	18.0	14.0	11.0	8.0	4.0
Daylight mean duration (h)	5.5	8.5	11.8	15.1	18.5	21.0	19.7	16.4	13.0	9.7	6.5	4.3
Daylight minimum duration (h)	4.0	7.0	10.0	13.0	16.0	20.0	18.0	14.0	11.0	8.0	5.0	4.0
Sunshine mean duration (h)	0.9	1.4	5.0	10.5	12.0	14.4	8.4	10.5	5.0	2.5	0.1	0.3
Precipitation (mm)	68	20	65	42	48	71	193	107	117	74	49	50
Sunny days	10	10	8	21	12	10	5	6	5	12	8	3
Rainy days	6	1	3	8	17	20	26	25	25	17	8	8
Snow days	15	17	20	1	2	0	0	0	0	2	14	20

Sumsa - weather forecast by months

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

Best time to visit Sumsa:

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

April — 10.5(h)
May — 12.0(h)
June — 14.4(h)
July — 8.4(h)
August — 10.5(h)

Months with the longest average daylight duration in Sumsa:

May — 18.5(h)
June — 21.0(h)
July — 19.7(h)
August — 16.4(h)

The largest precipitation sum in Sumsa is at

July — 193(mm)

August — 107(mm)

September — 117(mm)

Weather forecast in the closest to Sumsa admin centers