Annual mean 7°C · wettest around February · prevailing wind SW
Warmest
20.9 °C
Coldest
-2.7 °C
Wettest
62%
Windiest
7.8 m/s
Prevailing
SW
6.6 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 Hanko over the whole year is 7°C. July is the hottest month, with highs of about 20°C; February is the coldest, with lows of about -2°C. The rainy (wet) season in Hanko runs from September to March, peaking in February with a 53% chance of rain on a given day. The dry season is April to August; May is the driest month, at 18%. Winds in Hanko are highest in December, averaging 7.3 m/s (26 km/h), and lightest in May, at 5.3 m/s (19 km/h). The prevailing wind is from the SW. The clearest skies in Hanko come in June, when the sky is typically 40% covered; November is the cloudiest month, at 80%.
Month by month Hanko 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
-1°C
-2°C
-9°C
52%
78%
7.1 m/s
0
0
0
February
-1°C
-2°C
-8°C
53%
72%
6.7 m/s
0
0
0
March
2°C
-1°C
-5°C
45%
61%
6.3 m/s
0
0
1
April
6°C
2°C
-1°C
30%
51%
5.9 m/s
0
0
9
May
12°C
8°C
7°C
18%
43%
5.3 m/s
11
0
44
June
17°C
14°C
13°C
28%
40%
5.5 m/s
37
2
70
July
20°C
16°C
17°C
25%
43%
5.4 m/s
61
8
72
August
19°C
16°C
16°C
24%
46%
5.7 m/s
59
3
77
September
15°C
12°C
10°C
36%
54%
6.2 m/s
20
0
67
October
9°C
7°C
3°C
38%
67%
7.2 m/s
0
0
23
November
4°C
4°C
-2°C
46%
80%
7.2 m/s
0
0
4
December
1°C
0°C
-6°C
37%
80%
7.3 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 Hanko weather by season
Year round, Hanko has days of about -1°C at their warmest in January, its coolest month, and 20°C in July, its warmest; the coolest hours of the day run from -2°C to 16°C through the year, and the average temperature over the year is 7°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.
Hanko weather in winterDecember to February
High -1°CLow -1°CRain 48%
Winter in Hanko has typical daily highs of about -1°C and lows of about -1°C, with a 48% chance of rain on a given day.
Hanko weather in springMarch to May
High 6°CLow 3°CRain 31%
Spring in Hanko has typical daily highs of about 6°C and lows of about 3°C, with a 31% chance of rain on a given day.
Hanko weather in summerJune to August
High 19°CLow 15°CRain 26%
Summer in Hanko has typical daily highs of about 19°C and lows of about 15°C, with a 26% chance of rain on a given day.
Hanko weather in autumnSeptember to November
High 9°CLow 7°CRain 40%
Autumn in Hanko has typical daily highs of about 9°C and lows of about 7°C, with a 40% chance of rain on a given day.
When is the rainy season in Hanko?
The rainy (wet) season in Hanko runs from September to March, peaking in February with a 53% chance of rain on a given day. The dry season is April to August; May is the driest month, at 18%.
What time of year is Hanko windiest?
Winds in Hanko are highest in December, averaging 7.3 m/s (26 km/h), and lightest in May, at 5.3 m/s (19 km/h). The prevailing wind is from the SW.
What is the average temperature in Hanko year round?
The average temperature in Hanko over the whole year is 7°C. July is the hottest month, with highs of about 20°C; February is the coldest, with lows of about -2°C.