Measurements:
°C
°F
CURRENT WEATHER
23:59
Koli National Park
56°F
N 17 mph
Feels like: 52°F
Precip: 36%
World Resorts Finland Koli National Park Weather

7 Day Weather Forecast

09.08
tue
DAY
56°F
N 19 mph
precip
35%
NIGHT
56°F
N 17 mph
precip
36%
09.09
wed
DAY
56°F
NE 11 mph
precip
88%
NIGHT
56°F
N 5 mph
precip
42%
09.10
thu
DAY
60°F
N 16 mph
precip
26%
NIGHT
52°F
NE 20 mph
precip
56%
09.11
fri
DAY
54°F
S 2 mph
precip
29%
NIGHT
52°F
E 15 mph
precip
42%
09.12
sat
DAY
54°F
NE 14 mph
precip
30%
NIGHT
52°F
SE 9 mph
precip
15%
09.13
sun
DAY
52°F
E 7 mph
precip
18%
NIGHT
52°F
SE 4 mph
precip
9%
09.14
mon
DAY
54°F
E 6 mph
precip
16%
NIGHT
54°F
W 1 mph
precip
9%

Koli National Park Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Koli National Park was 15.0°F. The maximum and minimum values were 12.4°F and 16.7°F respectively.

Koli National Park on the Weather Map

Best Time to Visit Koli National Park
The most sunny months:
July 12 days
June 10 days
May 9 days
The most warm months:
July 69.4 °F
August 65.7 °F
June 63.0 °F
Warmest sea temperature:
July 64.3 °F
August 63.8 °F
September 57.2 °F
The most cold months:
January 13.7 °F
February 17.0 °F
December 21.8 °F
The most rainy months:
May 4 days
July 4 days
August 4 days
The most windy months:
November 9 mph
October 9 mph
December 9 mph
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