Annual mean 5°C · wettest around January · prevailing wind SW
Warmest
20.6 °C
Coldest
-5.7 °C
Wettest
35%
Windiest
6.0 m/s
Prevailing
SW
5.1 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 Vaasa over the whole year is 5°C. July is the hottest month, with highs of about 19°C; February is the coldest, with lows of about -5°C. The rainy (wet) season in Vaasa runs from August to March, peaking in January with a 28% chance of rain on a given day. The dry season is April to July; May is the driest month, at 12%. Winds in Vaasa are highest in January, averaging 4.9 m/s (18 km/h), and lightest in July, at 3.9 m/s (14 km/h). The prevailing wind is from the SW. The clearest skies in Vaasa come in July, when the sky is typically 52% covered; November is the cloudiest month, at 80%.
Month by month Vaasa 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
-4°C
-5°C
-10°C
28%
78%
4.9 m/s
0
0
0
February
-3°C
-5°C
-9°C
25%
75%
4.7 m/s
0
0
0
March
0°C
-3°C
-6°C
21%
67%
4.7 m/s
0
0
1
April
5°C
1°C
-1°C
20%
62%
4.4 m/s
1
0
11
May
11°C
6°C
6°C
12%
55%
4.4 m/s
12
0
41
June
17°C
12°C
13°C
17%
54%
4.3 m/s
35
3
70
July
19°C
15°C
17°C
17%
52%
3.9 m/s
57
11
71
August
18°C
14°C
15°C
21%
58%
4.3 m/s
53
3
78
September
13°C
10°C
10°C
22%
64%
4.2 m/s
15
0
66
October
7°C
5°C
2°C
22%
74%
4.6 m/s
0
0
21
November
2°C
1°C
-4°C
26%
80%
4.7 m/s
0
0
2
December
-2°C
-2°C
-8°C
23%
79%
4.7 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 Vaasa weather by season
Year round, Vaasa has days of about -4°C at their warmest in January, its coolest month, and 19°C in July, its warmest; the coolest hours of the day run from -5°C to 15°C through the year, and the average temperature over the year is 5°C around the clock. Rain is most likely around January 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.
Vaasa weather in winterDecember to February
High -3°CLow -4°CRain 25%
Winter in Vaasa has typical daily highs of about -3°C and lows of about -4°C, with a 25% chance of rain on a given day.
Vaasa weather in springMarch to May
High 6°CLow 1°CRain 18%
Spring in Vaasa has typical daily highs of about 6°C and lows of about 1°C, with a 18% chance of rain on a given day.
Vaasa weather in summerJune to August
High 18°CLow 13°CRain 18%
Summer in Vaasa has typical daily highs of about 18°C and lows of about 13°C, with a 18% chance of rain on a given day.
Vaasa weather in autumnSeptember to November
High 7°CLow 5°CRain 24%
Autumn in Vaasa has typical daily highs of about 7°C and lows of about 5°C, with a 24% chance of rain on a given day.
When is the rainy season in Vaasa?
The rainy (wet) season in Vaasa runs from August to March, peaking in January with a 28% chance of rain on a given day. The dry season is April to July; May is the driest month, at 12%.
What time of year is Vaasa windiest?
Winds in Vaasa are highest in January, averaging 4.9 m/s (18 km/h), and lightest in July, at 3.9 m/s (14 km/h). The prevailing wind is from the SW.
What is the average temperature in Vaasa year round?
The average temperature in Vaasa over the whole year is 5°C. July is the hottest month, with highs of about 19°C; February is the coldest, with lows of about -5°C.