Best year time to visit Letku

General weather information about Letku

Average annual temperature is 5.5 °C

Absolute maximum temperature: 29.2 °C

Absolute minimum temperature: -17.6 °C

Number of sunny days: 125 days

Number of rainy days: 176 days

Number of snow days: 64 days

Look at detailed online map of Letku

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

Letku air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	2.7	5.0	5.5	16.9	24.4	28.2	24.3	29.2	21.6	13.8	7.2	3.7
Average daytime temperature (°C)	-0.6	-1.0	0.1	9.3	15.1	21.3	20.2	19.9	17.3	5.9	0.6	-3.7
Average temperature (°C)	-2.6	-3.2	-3.2	3.7	10.0	16.2	16.3	16.5	14.1	3.5	-0.9	-5.4
Average night temperature (°C)	-4.7	-7.1	-7.5	-1.8	3.9	9.9	11.9	13.0	11.0	1.1	-2.9	-7.7
Absolute minimum temperature (°C)	-17.6	-17.4	-17.1	-14.6	-3.1	2.8	10.4	10.7	5.1	-5.7	-13.3	-16.0

Letku 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	18.0	19.0	18.0	17.0	14.0	11.0	8.0	6.0
Daylight mean duration (h)	6.7	9.1	11.8	14.7	17.4	19.0	18.2	15.7	12.9	10.1	7.4	5.8
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)	0.9	2.4	5.9	11.5	12.6	15.2	12.8	8.9	7.3	4.4	0.8	0.3
Precipitation (mm)	78	36	73	21	45	44	86	150	52	105	82	31
Sunny days	10	13	7	22	19	14	4	5	7	8	7	9
Rainy days	13	3	8	8	11	16	27	26	23	20	14	7
Snow days	8	12	16	0	1	0	0	0	0	3	9	15

Letku - weather forecast by months

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

Best time to visit Letku:

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

April — 11.5(h)
May — 12.6(h)
June — 15.2(h)
July — 12.8(h)
August — 8.9(h)

Months with the longest average daylight duration in Letku:

May — 17.4(h)
June — 19.0(h)
July — 18.2(h)
August — 15.7(h)

The largest precipitation sum in Letku is at

July — 86(mm)

August — 150(mm)

October — 105(mm)

Weather forecast in the closest to Letku admin centers