Best year time to visit Lammi

General weather information about Lammi

Average annual temperature is 5.7 °C

Absolute maximum temperature: 29.5 °C

Absolute minimum temperature: -16.7 °C

Number of sunny days: 140 days

Number of rainy days: 162 days

Number of snow days: 63 days

Look at detailed online map of Lammi

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

Lammi air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.2	5.3	6.3	17.3	23.9	28.6	24.8	29.5	22.1	13.9	7.3	3.2
Average daytime temperature (°C)	-1.0	-1.2	0.5	10.1	15.4	21.3	20.8	20.9	17.9	5.6	0.4	-3.8
Average temperature (°C)	-2.7	-3.4	-2.7	4.2	10.5	16.3	16.9	17.2	14.5	3.5	-1.1	-5.5
Average night temperature (°C)	-4.3	-6.6	-6.0	-1.1	4.9	10.7	13.2	14.0	11.6	1.6	-2.9	-7.4
Absolute minimum temperature (°C)	-11.4	-16.7	-13.9	-9.3	-1.9	2.7	10.8	11.6	7.8	-4.1	-12.8	-13.1

Lammi 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	19.0	17.0	14.0	11.0	8.0	6.0
Daylight mean duration (h)	6.6	9.0	11.8	14.7	17.4	19.1	18.3	15.7	12.9	10.1	7.4	5.7
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)	0.7	2.3	4.9	11.3	12.5	14.9	12.7	9.4	6.8	4.0	0.4	0.4
Precipitation (mm)	79	28	69	14	39	24	124	107	65	95	69	50
Sunny days	10	11	9	25	17	18	7	7	11	12	8	5
Rainy days	11	3	10	5	12	12	24	24	19	18	13	11
Snow days	10	14	12	0	2	0	0	0	0	1	9	15

Lammi - weather forecast by months

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

Best time to visit Lammi:

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

April — 11.3(h)
May — 12.5(h)
June — 14.9(h)
July — 12.7(h)
August — 9.4(h)

Months with the longest average daylight duration in Lammi:

May — 17.4(h)
June — 19.1(h)
July — 18.3(h)
August — 15.7(h)

The largest precipitation sum in Lammi is at

July — 124(mm)

August — 107(mm)

October — 95(mm)

Weather forecast in the closest to Lammi admin centers