Current sea water temperature:
+37.8°F
| Minimum sea water temperature in December: | 40.8°F |
| Maximum sea water temperature in December: | 31.6°F |
| Average sea water temperature in December: | 36.5°F |
| more information | |
14 days
forecast
forecast
| Koli National Park |
monthly
weather
weather
| Koli National Park |
Sea water temperature for the last 10 days:
| December 16 | 37.8°F | December 11 | 38.8°F |
| December 15 | 37.9°F | December 10 | 39.0°F |
| December 14 | 37.9°F | December 9 | 39.4°F |
| December 13 | 38.3°F | December 8 | 39.6°F |
| December 12 | 38.5°F | December 7 | 39.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Koli National Park?
Based on the data about daily sea water temperature for the last three years the warmest sea in Koli National Park was noticed in July, August and September.
Monthly Sea Temperatures in Koli National Park, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 65.8°F. The highest and lowest sea temperatures during the month were 75.7°F and 56.8°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 66.6°F. The highest and lowest sea temperatures during the month were 73.0°F and 63.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 59.1°F. The highest and lowest sea temperatures during the month were 62.1°F and 54.3°F.
current
weather
weather
| Koli National Park |
weather in
December
December
| Koli National Park |
Best time for vacation in Koli National Park
Koli National Park on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Koli National Park
Local time: 22:12
December 17, wednesday
0000
32°F
N
6 mph
6 mph
0300
34°F
N
8 mph
8 mph
0600
34°F
N
9 mph
9 mph
0900
34°F
NE
10 mph
10 mph
1200
34°F
N
11 mph
11 mph
1500
36°F
N
13 mph
13 mph
1800
36°F
N
12 mph
12 mph
2100
36°F
NE
9 mph
9 mph
