Annual mean 6°C · wettest around November · prevailing wind SW
Warmest
21.6 °C
Coldest
-5.8 °C
Wettest
27%
Windiest
4.5 m/s
Prevailing
SW
3.8 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 Somero over the whole year is 6°C. July is the hottest month, with highs of about 20°C; January is the coldest, with lows of about -5°C. The rainy (wet) season in Somero runs from October to March, peaking in November with a 28% chance of rain on a given day. The dry season is April to September; May is the driest month, at 12%. Winds in Somero are highest in January, averaging 3.5 m/s (13 km/h), and lightest in July, at 2.9 m/s (10 km/h). The prevailing wind is from the SW. The clearest skies in Somero come in June, when the sky is typically 49% covered; November is the cloudiest month, at 87%.
Month by month Somero 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
-9°C
27%
83%
3.5 m/s
0
0
0
February
-3°C
-4°C
-8°C
25%
79%
3.4 m/s
0
0
0
March
1°C
-3°C
-4°C
21%
69%
3.3 m/s
0
0
2
April
7°C
0°C
2°C
16%
59%
3.3 m/s
1
0
22
May
14°C
7°C
10°C
12%
51%
3.1 m/s
24
1
61
June
19°C
12°C
16°C
15%
49%
3.2 m/s
55
9
75
July
20°C
14°C
18°C
16%
53%
2.9 m/s
71
15
71
August
19°C
13°C
17°C
17%
56%
3.1 m/s
70
5
82
September
14°C
9°C
11°C
18%
63%
2.9 m/s
27
1
76
October
7°C
5°C
4°C
25%
75%
3.4 m/s
1
0
30
November
2°C
1°C
-2°C
28%
87%
3.4 m/s
0
0
5
December
-2°C
-2°C
-7°C
24%
86%
3.4 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 Somero weather by season
Year round, Somero has days of about -4°C at their warmest in January, its coolest month, and 20°C in July, its warmest; the coolest hours of the day run from -5°C to 14°C through the year, and the average temperature over the year is 6°C around the clock. Rain is most likely around November 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.
Somero weather in winterDecember to February
High -3°CLow -4°CRain 25%
Winter in Somero has typical daily highs of about -3°C and lows of about -4°C, with a 25% chance of rain on a given day.
Somero weather in springMarch to May
High 7°CLow 1°CRain 16%
Spring in Somero has typical daily highs of about 7°C and lows of about 1°C, with a 16% chance of rain on a given day.
Somero weather in summerJune to August
High 19°CLow 13°CRain 16%
Summer in Somero has typical daily highs of about 19°C and lows of about 13°C, with a 16% chance of rain on a given day.
Somero weather in autumnSeptember to November
High 8°CLow 5°CRain 24%
Autumn in Somero has typical daily highs of about 8°C and lows of about 5°C, with a 24% chance of rain on a given day.
When is the rainy season in Somero?
The rainy (wet) season in Somero runs from October to March, peaking in November with a 28% chance of rain on a given day. The dry season is April to September; May is the driest month, at 12%.
What time of year is Somero windiest?
Winds in Somero are highest in January, averaging 3.5 m/s (13 km/h), and lightest in July, at 2.9 m/s (10 km/h). The prevailing wind is from the SW.
What is the average temperature in Somero year round?
The average temperature in Somero over the whole year is 6°C. July is the hottest month, with highs of about 20°C; January is the coldest, with lows of about -5°C.