Lahti in december: average Weather, Temperature and Climate
Weather in Lahti in december 2026
The weather in Lahti in the month of december comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 509.5cm
Weather at 6am
27°F
Snow showers
35% of time
24%
22%
6%
Weather at 12pm
29°F
Snow showers
34% of time
27%
16%
10%
Weather at 6pm
27°F
Snow showers
38% of time
22%
21%
8%
Weather at 3am
27°F
43%
21%
15%
7%
Evolution of daily average temperature and precipitation in Lahti in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Lahti in december.
The climate of Lahti in december is very bad
In december in Lahti, the climate is wet (with 3in of precipitation over 5 days). The situation is deteriorating compared to the previous month since in november there is an average of 2.9in of rainfall over 4 days.
The climate is icy around this city december. Plan a sweater!. Temperatures are up to 31°F. On average, the recorded minimum temperature is 25°F. Thus, the mean temperature average in december in Lahti is 29°F. These temperatures are far removed from those records observed in Lahti in the month of december with a maximum record of 47°F in 2015 and a minimum record of -9°F in 2010. You can expect to have about 24 days with temperatures down below 32°F, or 77% of the month.
Day length in Lahti in december is 05:36. Sunrise is at 09:25 and sets at 15:01.
Seasonal average climate and temperature of Lahti in december
Check below seasonal norms These statistics are set from the weather statements of the past years of the month of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 29°F | ||||
| Highest temperature | 31°F | ||||
| Lowest temperature | 25°F | ||||
| Highest record temperature | 47°F (2015) | ||||
| Lowest record temperature | -9°F (2010) | ||||
| Number of days at -32°F | 24 day(s) (77%) | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 18°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3in | ||||
| Number of days with rainfall | 5 day(s) (17%) | ||||
| Record daily rainfall | 1.2in (2019) | ||||
| Snowfall | 509.5cm | ||||
| Other climate data | |||||
| Humidity | 96% | ||||
| Visibility | 6.03km | ||||
| Cloud cover | 80% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 3 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 09:25 | ||||
| Time of sunset | 15:01 | ||||
| Length of day | 05:36 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Lahti in december 2025:
36°F to 41°F
38°F to 41°F
38°F to 40°F
38°F to 40°F
38°F to 40°F
38°F to 40°F
36°F to 38°F
34°F to 38°F
41°F to 43°F
34°F to 43°F
40°F to 45°F
25°F to 32°F
23°F to 25°F
27°F to 29°F
34°F to 38°F
38°F to 40°F
40°F to 43°F
32°F to 40°F
40°F to 41°F
41°F to 43°F
36°F to 41°F
25°F to 32°F
20°F to 23°F
23°F to 27°F
34°F to 41°F
32°F to 38°F
32°F to 38°F
27°F to 32°F
23°F to 32°F
20°F to 25°F
13°F to 16°F
Map: other cities in Finland in december
Cities near Lahti:
| Heinola in december | very bad weather |
| Mäntsälä in december | very bad weather |
| Riihimäki in december | very bad weather |
| Kouvola in december | very bad weather |
| Hämeenlinna in december | very bad weather |
| Porvoo in december | very bad weather |
| Vantaa in december | very bad weather |
| Kotka in december | very bad weather |
| Hamina in december | very bad weather |
| Helsinki in december | very bad weather |
| Jämsä in december | very bad weather |
| Forssa in december | very bad weather |
Click over cities on the map for information about the weather in december.
Lahti
perfect weather
good
tolerable
bad
very bad
Weather data for Lahti in december:
Weather data for Lahti for december are derived from an average of the weather forecast since 2009 in Lahti. There is a margin of error and these forecasts are to be considered as general information only. The weather in Lahti can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Lahti.