Annual mean 4°C · wettest around February · prevailing wind SW
Warmest
20.4 °C
Coldest
-9.4 °C
Wettest
75%
Windiest
5.6 m/s
Prevailing
SW
4.7 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Oulunsalo over the whole year is 4°C. July is the hottest month, with highs of about 19°C; January is the coldest, with lows of about -8°C. The rainy (wet) season in Oulunsalo runs from January to March, peaking in February with a 70% chance of rain on a given day. The dry season is April to December; May is the driest month, at 29%. Winds in Oulunsalo are highest in January, averaging 4.6 m/s (17 km/h), and lightest in July, at 3.7 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Oulunsalo come in June, when the sky is typically 49% covered; November is the cloudiest month, at 80%.
Month by month Oulunsalo climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-8°C
-8°C
-14°C
57%
73%
4.6 m/s
0
0
0
February
-6°C
-8°C
-12°C
70%
70%
4.3 m/s
0
0
0
March
-2°C
-6°C
-8°C
59%
62%
4.5 m/s
0
0
0
April
3°C
-1°C
-3°C
48%
60%
4.1 m/s
0
0
5
May
10°C
6°C
4°C
29%
54%
4.4 m/s
8
0
33
June
16°C
13°C
12°C
44%
49%
4.4 m/s
35
2
67
July
19°C
16°C
17°C
34%
51%
3.7 m/s
58
10
71
August
17°C
13°C
15°C
37%
55%
4.2 m/s
49
2
78
September
12°C
9°C
8°C
46%
66%
4.3 m/s
11
0
58
October
5°C
3°C
0°C
34%
76%
4.5 m/s
0
0
12
November
-1°C
-1°C
-6°C
47%
80%
4.6 m/s
0
0
1
December
-4°C
-4°C
-10°C
42%
80%
4.5 m/s
0
0
0
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Oulunsalo weather by season
Year round, Oulunsalo has days of about -8°C at their warmest in January, its coolest month, and 19°C in July, its warmest; the coolest hours of the day run from -8°C to 16°C through the year, and the average temperature over the year is 4°C around the clock. Rain is most likely around February and least likely around May. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Oulunsalo weather in winterDecember to February
High -6°CLow -7°CRain 56%
Winter in Oulunsalo has typical daily highs of about -6°C and lows of about -7°C, with a 56% chance of rain on a given day.
Oulunsalo weather in springMarch to May
High 3°CLow -0°CRain 46%
Spring in Oulunsalo has typical daily highs of about 3°C and lows of about -0°C, with a 46% chance of rain on a given day.
Oulunsalo weather in summerJune to August
High 17°CLow 14°CRain 38%
Summer in Oulunsalo has typical daily highs of about 17°C and lows of about 14°C, with a 38% chance of rain on a given day.
Oulunsalo weather in autumnSeptember to November
High 6°CLow 4°CRain 42%
Autumn in Oulunsalo has typical daily highs of about 6°C and lows of about 4°C, with a 42% chance of rain on a given day.
When is the rainy season in Oulunsalo?
The rainy (wet) season in Oulunsalo runs from January to March, peaking in February with a 70% chance of rain on a given day. The dry season is April to December; May is the driest month, at 29%.
What time of year is Oulunsalo windiest?
Winds in Oulunsalo are highest in January, averaging 4.6 m/s (17 km/h), and lightest in July, at 3.7 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Oulunsalo year round?
The average temperature in Oulunsalo over the whole year is 4°C. July is the hottest month, with highs of about 19°C; January is the coldest, with lows of about -8°C.