Measurements:
°C
°F
Lahti
50°F
N 9 mph
Feels like: 46°F
Precip: 70%
World Resorts Finland Lahti Weather December Weather in Lahti

Lahti Weather: December

Average Day Temperature: 26.1°F
Average Night Temperature: 23.9°F
Sea Water Temperature: 34.2°F
Number of Sunny Days: 2 days
Sunshine Hours: 5.5 - 6.2 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.9 in
Number of Snowy Days: 1 day

Air Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
-16
-7
2
11
20
29
38
47
56
Day Temperature   
Night Temperature

The highest day temperature in December 2024 was 40°F. The lowest night temperature was -7°F. The average values for day and night temperatures during December were 27.6°F и 27.0°F respectivly.

Lahti Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
26
29
32
35
38
41

The average sea surface temperature in December 2024 for Lahti was 33.7°F. The maximum and minimum values were 31.4°F and 36.8°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
6%
16%
78%

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation Totals in December, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.4
0.8
1.2
1.6
1.9
2.3
2.7
3.1

Precipitation total in December for Lahti is 1.9 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.3
2.6
3.9
5.2
6.5
7.8
9.1
10.4

The average wind speed in December is 7.6 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.9
3.8
5.7
7.7
9.6
11.5
13.4

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Lahti in December is 1.2 hours.

Best Time to Visit Lahti
The most sunny months:
June 12 days
May 12 days
July 11 days
The most warm months:
July 73.5 °F
August 70.5 °F
June 69.5 °F
Warmest sea temperature:
August 69.9 °F
July 67.1 °F
September 62.8 °F
The most cold months:
January 20.4 °F
February 23.0 °F
December 26.1 °F
The most rainy months:
July 4 days
June 4 days
August 4 days
The most windy months:
December 7 mph
March 7 mph
October 7 mph

Lahti on the Weather Map

Finland Resorts:
NAME
Espoo +48
Helsinki +46
Imatra +52
Juvaskyla +52
Kemi +34
Koli National Park +42
Kotka +42
Lahti +50
Lappeenranta +46
Oulu +40
Porvoo +48
Saariselka +30
Turku +44
Vaasa +34
Vantaa +50
24 Hours Weather Forecast
Lahti
Local time: 12:45
14 apr, monday
1500 60°F
NE
11 mph
1800 58°F
NE
11 mph
2100 48°F
NE
7 mph
15 apr, tuesday
0000 44°F
NE
7 mph
0300 40°F
E
6 mph
0600 40°F
E
5 mph
0900 50°F
SE
6 mph
1200 58°F
SE
4 mph