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Kouvola December Weather

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

Typical Kouvola December Weather 1991–2020
Average daily high	-1.2 °C
Average daily low	-6.1 °C
Average monthly precipitation	6.6 cm
Daily chance of precipitation	78.6%

Kouvola December Weather Records 1959–2024
Highest temperature	9.4 °C	December 20, 2015
Lowest temperature	-35.0 °C	December 29, 1978
Highest daily low	6.6 °C	December 6, 2015
Lowest daily high	-27.5 °C	December 30, 1978
Hottest average high temperature	3.8 °C	2006
Coldest average high temperature	-11.0 °C	1978
Most daily precipitation	2.9 cm	December 15, 1982
Most monthly precipitation	14.2 cm	2011

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	-4.0	7.3	-21.6
December 2	0.3	-4.1	6.8	-24.9
December 3	0.2	-4.2	7.6	-23.1
December 4	0.1	-4.3	6.6	-18.2
December 5	0.0	-4.4	6.6	-24.0
December 6	-0.1	-4.5	9.2	-29.0
December 7	-0.2	-4.6	8.4	-28.6
December 8	-0.3	-4.7	7.0	-29.2
December 9	-0.5	-5.0	7.5	-28.9
December 10	-0.6	-5.2	7.6	-30.2
December 11	-0.8	-5.4	8.0	-25.0
December 12	-0.9	-5.6	5.7	-23.2
December 13	-0.9	-5.7	5.6	-21.5
December 14	-1.0	-5.9	6.0	-23.5
December 15	-1.1	-6.0	8.5	-27.4
December 16	-1.2	-6.1	4.9	-32.6
December 17	-1.3	-6.2	5.9	-33.9
December 18	-1.4	-6.3	4.0	-26.1
December 19	-1.5	-6.5	6.0	-26.5
December 20	-1.6	-6.6	9.4	-26.5
December 21	-1.8	-6.8	9.1	-26.3
December 22	-1.9	-7.0	6.9	-29.9
December 23	-2.1	-7.2	5.4	-28.3
December 24	-2.2	-7.4	4.9	-28.3
December 25	-2.3	-7.5	5.6	-31.0
December 26	-2.3	-7.6	5.9	-29.1
December 27	-2.4	-7.8	6.9	-27.8
December 28	-2.5	-8.0	5.1	-30.6
December 29	-2.5	-8.0	5.8	-35.0
December 30	-2.6	-8.1	4.7	-33.8
December 31	-2.6	-8.1	5.2	-32.4

Weather Station Details

Years	Station	Coordinates
1959–2024	Kouvola Utti Lentoportintie	location