Weather in Nummi in December

General weather information about Nummi

Average annual temperature is 6.1 °C

Absolute maximum temperature: 29.2 °C

Absolute minimum temperature: -17.3 °C

Number of sunny days: 132 days

Number of rainy days: 172 days

Number of snow days: 61 days

Look at detailed online map of Nummi

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

Nummi air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.3	6.3	7.1	17.7	23.3	29.2	24.3	28.9	21.4	14.7	8.2	4.2
Average daytime temperature (°C)	-0.3	-0.1	1.2	10.6	15.9	22.0	20.9	20.9	18.3	6.8	1.5	-3.0
Average temperature (°C)	-2.4	-2.8	-2.3	4.8	10.7	16.7	16.7	17.0	14.8	4.3	-0.3	-4.8
Average night temperature (°C)	-4.6	-6.9	-6.6	-0.9	4.6	10.2	12.4	13.3	11.5	1.8	-2.5	-7.1
Absolute minimum temperature (°C)	-17.3	-15.7	-16.5	-10.2	-2.0	3.5	9.2	9.8	6.0	-4.2	-11.3	-14.9

Nummi 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	15.0	18.0	19.0	18.0	16.0	14.0	11.0	8.0	6.0
Daylight mean duration (h)	6.7	9.1	11.8	14.6	17.3	18.9	18.1	15.6	12.9	10.1	7.5	5.9
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	2.3	5.6	11.2	13.0	15.5	13.3	8.8	7.6	4.1	0.9	0.5
Precipitation (mm)	110	43	77	21	38	38	78	155	67	89	74	60
Sunny days	8	11	9	22	17	17	3	9	10	11	7	8
Rainy days	12	6	8	8	13	13	28	22	20	18	15	9
Snow days	11	11	14	0	1	0	0	0	0	2	8	14

Nummi - weather forecast by months

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

Best time to visit Nummi:

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

April — 11.2(h)
May — 13.0(h)
June — 15.5(h)
July — 13.3(h)
August — 8.8(h)

Months with the longest average daylight duration in Nummi:

May — 17.3(h)
June — 18.9(h)
July — 18.1(h)
August — 15.6(h)

The largest precipitation sum in Nummi is at

January — 110(mm)

August — 155(mm)

Weather forecast in the closest to Nummi admin centers