Annual mean 7°C · wettest around February · prevailing wind SW
Warmest
22.0 °C
Coldest
-3.6 °C
Wettest
83%
Windiest
5.3 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 Naantali over the whole year is 7°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -3°C. The rainy (wet) season in Naantali runs from January to March, peaking in February with a 67% chance of rain on a given day. The dry season is April to December; May is the driest month, at 21%. Winds in Naantali are highest in October, averaging 4.4 m/s (16 km/h), and lightest in May, at 3.7 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Naantali come in June, when the sky is typically 45% covered; December is the cloudiest month, at 83%.
Month by month Naantali 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
-2°C
-3°C
-8°C
59%
78%
4.2 m/s
0
0
0
February
-1°C
-3°C
-6°C
67%
73%
4.1 m/s
0
0
0
March
2°C
-2°C
-3°C
51%
66%
3.9 m/s
0
0
2
April
7°C
2°C
2°C
41%
57%
3.8 m/s
1
0
20
May
14°C
7°C
9°C
21%
47%
3.7 m/s
21
1
54
June
19°C
13°C
15°C
37%
45%
4.0 m/s
50
7
71
July
21°C
16°C
18°C
25%
48%
3.8 m/s
66
14
68
August
20°C
15°C
17°C
29%
52%
4.0 m/s
67
4
78
September
15°C
11°C
12°C
39%
59%
3.8 m/s
28
1
74
October
9°C
6°C
4°C
28%
72%
4.4 m/s
0
0
33
November
4°C
3°C
-1°C
41%
82%
4.4 m/s
0
0
8
December
0°C
-1°C
-5°C
38%
83%
4.3 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 Naantali weather by season
Year round, Naantali has days of about -2°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from -3°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.
Naantali weather in winterDecember to February
High -1°CLow -2°CRain 55%
Winter in Naantali has typical daily highs of about -1°C and lows of about -2°C, with a 55% chance of rain on a given day.
Naantali weather in springMarch to May
High 8°CLow 3°CRain 38%
Spring in Naantali has typical daily highs of about 8°C and lows of about 3°C, with a 38% chance of rain on a given day.
Naantali weather in summerJune to August
High 20°CLow 15°CRain 30%
Summer in Naantali has typical daily highs of about 20°C and lows of about 15°C, with a 30% chance of rain on a given day.
Naantali weather in autumnSeptember to November
High 9°CLow 7°CRain 36%
Autumn in Naantali has typical daily highs of about 9°C and lows of about 7°C, with a 36% chance of rain on a given day.
When is the rainy season in Naantali?
The rainy (wet) season in Naantali runs from January to March, peaking in February with a 67% chance of rain on a given day. The dry season is April to December; May is the driest month, at 21%.
What time of year is Naantali windiest?
Winds in Naantali are highest in October, averaging 4.4 m/s (16 km/h), and lightest in May, at 3.7 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Naantali year round?
The average temperature in Naantali over the whole year is 7°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -3°C.