Annual mean 11°C · wettest around November · prevailing wind W
Warmest
25.6 °C
Coldest
2.1 °C
Wettest
36%
Windiest
4.5 m/s
Prevailing
W
3.5 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Calw over the whole year is 11°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about 1°C. Calw has no sharply defined rainy season: the chance of rain on a given day runs from 22% in August, the driest month, to 31% in November, the wettest. Winds in Calw are highest in February, averaging 3.4 m/s (12 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in Calw come in August, when the sky is typically 50% covered; December is the cloudiest month, at 75%.
Month by month Calw 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
1°C
-1°C
26%
75%
3.2 m/s
0
0
10
February
7°C
2°C
2°C
26%
67%
3.4 m/s
1
0
22
March
10°C
3°C
5°C
27%
64%
3.2 m/s
5
0
39
April
14°C
6°C
10°C
23%
61%
2.9 m/s
24
0
61
May
18°C
11°C
15°C
30%
56%
2.8 m/s
48
5
74
June
23°C
16°C
22°C
27%
53%
2.6 m/s
71
28
54
July
24°C
17°C
23°C
24%
53%
2.5 m/s
73
31
50
August
24°C
16°C
23°C
22%
50%
2.3 m/s
65
38
44
September
20°C
12°C
18°C
25%
53%
2.3 m/s
65
17
67
October
15°C
9°C
12°C
26%
60%
2.4 m/s
33
1
75
November
8°C
4°C
4°C
31%
72%
2.6 m/s
2
0
34
December
5°C
2°C
1°C
31%
75%
2.9 m/s
0
0
13
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 Calw weather by season
Year round, Calw has days of about 4°C at their warmest in January, its coolest month, and 24°C in July, its warmest; the coolest hours of the day run from 1°C to 17°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around November and least likely around August. 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.
Calw weather in winterDecember to February
High 5°CLow 2°CRain 28%
Winter in Calw has typical daily highs of about 5°C and lows of about 2°C, with a 28% chance of rain on a given day.
Calw weather in springMarch to May
High 14°CLow 7°CRain 27%
Spring in Calw has typical daily highs of about 14°C and lows of about 7°C, with a 27% chance of rain on a given day.
Calw weather in summerJune to August
High 24°CLow 16°CRain 24%
Summer in Calw has typical daily highs of about 24°C and lows of about 16°C, with a 24% chance of rain on a given day.
Calw weather in autumnSeptember to November
High 14°CLow 8°CRain 27%
Autumn in Calw has typical daily highs of about 14°C and lows of about 8°C, with a 27% chance of rain on a given day.
When is the rainy season in Calw?
Calw has no sharply defined rainy season: the chance of rain on a given day runs from 22% in August, the driest month, to 31% in November, the wettest.
What time of year is Calw windiest?
Winds in Calw are highest in February, averaging 3.4 m/s (12 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in Calw year round?
The average temperature in Calw over the whole year is 11°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about 1°C.