Best year time to visit Jämäs

General weather information about Jämäs

Average annual temperature is 3.2 °C

Absolute maximum temperature: 27.4 °C

Absolute minimum temperature: -22.0 °C

Number of sunny days: 118 days

Number of rainy days: 150 days

Number of snow days: 97 days

Look at detailed online map of Jämäs

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

Jämäs air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.1	1.9	2.6	13.2	23.0	24.9	23.8	27.4	21.2	10.9	2.1	1.6
Average daytime temperature (°C)	-3.0	-4.0	-3.0	6.2	13.7	18.2	17.7	19.9	15.4	2.7	-3.4	-6.1
Average temperature (°C)	-4.8	-6.2	-6.3	0.4	9.3	13.9	14.7	16.4	12.6	0.9	-5.1	-7.6
Average night temperature (°C)	-6.8	-8.3	-10.2	-4.6	3.9	9.1	11.3	12.7	9.7	-0.7	-7.1	-9.2
Absolute minimum temperature (°C)	-22.0	-16.5	-21.8	-10.7	-7.2	1.2	8.1	8.0	5.9	-6.6	-16.9	-15.3

Jämäs 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	16.0	19.0	21.0	20.0	17.0	14.0	11.0	8.0	5.0
Daylight mean duration (h)	5.6	8.6	11.8	15.1	18.4	20.8	19.6	16.3	13.0	9.8	6.5	4.4
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)	1.0	1.6	4.9	10.5	11.9	14.2	8.1	10.3	5.1	2.5	0.1	0.2
Precipitation (mm)	69	20	69	43	51	113	192	92	104	74	60	51
Sunny days	11	12	10	22	14	10	5	8	6	10	7	3
Rainy days	7	1	1	7	15	20	26	23	24	17	7	2
Snow days	13	15	20	1	2	0	0	0	0	4	16	26

Jämäs - weather forecast by months

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

Best time to visit Jämäs:

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

April — 10.5(h)
May — 11.9(h)
June — 14.2(h)
July — 8.1(h)
August — 10.3(h)

Months with the longest average daylight duration in Jämäs:

May — 18.4(h)
June — 20.8(h)
July — 19.6(h)
August — 16.3(h)

The largest precipitation sum in Jämäs is at

June — 113(mm)

July — 192(mm)

September — 104(mm)

Weather forecast in the closest to Jämäs admin centers