Annual mean 10°C · wettest around October · prevailing wind W
Warmest
23.5 °C
Coldest
0.9 °C
Wettest
42%
Windiest
4.8 m/s
Prevailing
W
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 Heidenheim over the whole year is 10°C. July is the hottest month, with highs of about 23°C; January is the coldest, with lows of about -0°C. Heidenheim has no sharply defined rainy season: the chance of rain on a given day runs from 22% in January, the driest month, to 37% in October, the wettest. Winds in Heidenheim are highest in February, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Heidenheim come in August, when the sky is typically 51% covered; December is the cloudiest month, at 76%.
Month by month Heidenheim 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
-0°C
-3°C
22%
76%
3.6 m/s
0
0
6
February
5°C
1°C
0°C
30%
69%
3.7 m/s
0
0
14
March
8°C
2°C
3°C
23%
64%
3.5 m/s
3
0
29
April
13°C
5°C
8°C
28%
61%
3.1 m/s
19
0
55
May
16°C
10°C
13°C
32%
60%
2.9 m/s
41
3
72
June
22°C
15°C
20°C
31%
54%
2.6 m/s
72
20
62
July
23°C
16°C
21°C
27%
54%
2.6 m/s
74
23
59
August
23°C
15°C
22°C
24%
51%
2.4 m/s
67
31
52
September
19°C
11°C
17°C
31%
55%
2.4 m/s
57
10
70
October
14°C
8°C
11°C
37%
65%
2.6 m/s
26
0
66
November
6°C
3°C
3°C
26%
75%
2.9 m/s
1
0
23
December
3°C
1°C
-1°C
27%
76%
3.3 m/s
0
0
6
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 Heidenheim weather by season
Year round, Heidenheim has days of about 2°C at their warmest in January, its coolest month, and 23°C in July, its warmest; the coolest hours of the day run from -0°C to 16°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around October and least likely around January. 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.
Heidenheim weather in winterDecember to February
High 4°CLow 0°CRain 26%
Winter in Heidenheim has typical daily highs of about 4°C and lows of about 0°C, with a 26% chance of rain on a given day.
Heidenheim weather in springMarch to May
High 12°CLow 5°CRain 27%
Spring in Heidenheim has typical daily highs of about 12°C and lows of about 5°C, with a 27% chance of rain on a given day.
Heidenheim weather in summerJune to August
High 22°CLow 15°CRain 27%
Summer in Heidenheim has typical daily highs of about 22°C and lows of about 15°C, with a 27% chance of rain on a given day.
Heidenheim weather in autumnSeptember to November
High 13°CLow 7°CRain 31%
Autumn in Heidenheim has typical daily highs of about 13°C and lows of about 7°C, with a 31% chance of rain on a given day.
When is the rainy season in Heidenheim?
Heidenheim has no sharply defined rainy season: the chance of rain on a given day runs from 22% in January, the driest month, to 37% in October, the wettest.
What time of year is Heidenheim windiest?
Winds in Heidenheim are highest in February, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Heidenheim year round?
The average temperature in Heidenheim over the whole year is 10°C. July is the hottest month, with highs of about 23°C; January is the coldest, with lows of about -0°C.