< Previous Month Next Month >

Hämeenlinna December Weather

Averages and records for weather in Hämeenlinna, Finland in the month of December.

Typical Hämeenlinna December Weather 1991–2020
Average daily high	-1.0 °C
Average daily low	-5.6 °C
Average monthly precipitation	5.3 cm
Daily chance of precipitation	63.9%

Hämeenlinna December Weather Records 1963–2024
Highest temperature	10.2 °C	December 20, 2015
Lowest temperature	-34.2 °C	December 17, 1978
Highest daily low	6.5 °C	December 21, 2015
Lowest daily high	-27.3 °C	December 29, 1978
Hottest average high temperature	4.1 °C	2006
Coldest average high temperature	-10.9 °C	1978
Most daily precipitation	2.4 cm	December 18, 2019
Most monthly precipitation	10.5 cm	2017

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
December 1	0.4	-3.6	7.3	-18.3
December 2	0.4	-3.7	7.0	-19.7
December 3	0.3	-3.9	7.6	-23.3
December 4	0.2	-4.0	6.5	-22.4
December 5	0.1	-4.1	7.3	-19.8
December 6	0.1	-4.1	9.5	-26.2
December 7	0.0	-4.2	7.7	-27.9
December 8	-0.2	-4.4	7.0	-28.1
December 9	-0.3	-4.6	7.6	-28.2
December 10	-0.5	-4.8	7.6	-31.2
December 11	-0.6	-5.0	7.8	-26.5
December 12	-0.7	-5.2	6.0	-24.9
December 13	-0.8	-5.3	5.8	-25.2
December 14	-0.9	-5.4	6.2	-23.3
December 15	-0.9	-5.6	9.0	-27.0
December 16	-1.0	-5.7	5.0	-33.2
December 17	-1.1	-5.8	6.7	-34.2
December 18	-1.1	-5.9	5.0	-25.2
December 19	-1.3	-6.0	6.0	-24.5
December 20	-1.4	-6.2	10.2	-26.9
December 21	-1.5	-6.3	9.7	-26.8
December 22	-1.6	-6.5	6.7	-29.0
December 23	-1.8	-6.7	5.6	-30.2
December 24	-1.9	-6.9	5.7	-29.6
December 25	-2.0	-7.0	6.0	-32.0
December 26	-2.0	-7.1	7.1	-28.3
December 27	-2.1	-7.2	8.6	-26.5
December 28	-2.2	-7.3	4.8	-30.2
December 29	-2.2	-7.4	6.1	-31.5
December 30	-2.2	-7.5	4.8	-31.5
December 31	-2.3	-7.5	6.0	-31.4

Weather Station Details

Years	Station	Coordinates
1963–2024	Hameenlinna Lammi Pappila	location