Annual mean 13°C · wettest around September · prevailing wind SW
Warmest
25.1 °C
Coldest
3.2 °C
Wettest
42%
Windiest
4.2 m/s
Prevailing
SW
3.2 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 Mannheim over the whole year is 13°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about 3°C. Mannheim has no sharply defined rainy season: the chance of rain on a given day runs from 28% in April, the driest month, to 38% in September, the wettest. Winds in Mannheim are highest in January, averaging 2.9 m/s (10 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Mannheim come in August, when the sky is typically 50% covered; December is the cloudiest month, at 80%.
Month by month Mannheim 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
5°C
3°C
1°C
30%
78%
2.9 m/s
0
0
13
February
7°C
3°C
3°C
30%
70%
2.9 m/s
1
0
25
March
11°C
5°C
6°C
34%
68%
2.8 m/s
6
0
45
April
15°C
8°C
11°C
28%
60%
2.6 m/s
28
0
65
May
19°C
12°C
16°C
36%
57%
2.7 m/s
55
6
75
June
24°C
18°C
22°C
36%
51%
2.5 m/s
73
33
51
July
25°C
18°C
23°C
32%
56%
2.5 m/s
74
34
48
August
25°C
18°C
24°C
29%
50%
2.3 m/s
67
40
42
September
21°C
13°C
19°C
38%
53%
2.1 m/s
69
17
67
October
15°C
10°C
13°C
37%
65%
2.2 m/s
35
0
78
November
8°C
6°C
5°C
38%
76%
2.4 m/s
2
0
39
December
6°C
4°C
2°C
32%
80%
2.7 m/s
0
0
18
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 Mannheim weather by season
Year round, Mannheim has days of about 5°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from 3°C to 18°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around September and least likely around April. 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.
Mannheim weather in winterDecember to February
High 6°CLow 3°CRain 31%
Winter in Mannheim has typical daily highs of about 6°C and lows of about 3°C, with a 31% chance of rain on a given day.
Mannheim weather in springMarch to May
High 15°CLow 8°CRain 33%
Spring in Mannheim has typical daily highs of about 15°C and lows of about 8°C, with a 33% chance of rain on a given day.
Mannheim weather in summerJune to August
High 25°CLow 18°CRain 32%
Summer in Mannheim has typical daily highs of about 25°C and lows of about 18°C, with a 32% chance of rain on a given day.
Mannheim weather in autumnSeptember to November
High 15°CLow 9°CRain 38%
Autumn in Mannheim has typical daily highs of about 15°C and lows of about 9°C, with a 38% chance of rain on a given day.
When is the rainy season in Mannheim?
Mannheim has no sharply defined rainy season: the chance of rain on a given day runs from 28% in April, the driest month, to 38% in September, the wettest.
What time of year is Mannheim windiest?
Winds in Mannheim are highest in January, averaging 2.9 m/s (10 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Mannheim year round?
The average temperature in Mannheim over the whole year is 13°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about 3°C.