Annual mean 10°C · wettest around May · prevailing wind W
Warmest
23.4 °C
Coldest
0.8 °C
Wettest
40%
Windiest
4.8 m/s
Prevailing
W
3.7 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 Ulm 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. Ulm has no sharply defined rainy season: the chance of rain on a given day runs from 26% in August, the driest month, to 36% in May, the wettest. Winds in Ulm are highest in February, averaging 3.7 m/s (13 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 Ulm come in August, when the sky is typically 57% covered; November is the cloudiest month, at 79%.
Month by month Ulm 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
28%
79%
3.5 m/s
0
0
6
February
5°C
1°C
-0°C
34%
74%
3.7 m/s
0
0
14
March
8°C
2°C
3°C
28%
69%
3.5 m/s
2
0
28
April
13°C
5°C
8°C
32%
66%
3.0 m/s
19
0
55
May
16°C
10°C
13°C
36%
66%
2.8 m/s
40
2
72
June
22°C
15°C
20°C
35%
58%
2.6 m/s
72
19
63
July
23°C
16°C
21°C
31%
59%
2.5 m/s
74
23
59
August
23°C
15°C
21°C
26%
57%
2.3 m/s
68
31
53
September
18°C
11°C
17°C
31%
59%
2.3 m/s
56
10
70
October
13°C
7°C
11°C
34%
70%
2.6 m/s
25
0
66
November
6°C
3°C
2°C
31%
79%
2.8 m/s
1
0
23
December
3°C
1°C
-1°C
34%
79%
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 Ulm weather by season
Year round, Ulm 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 May 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.
Ulm weather in winterDecember to February
High 3°CLow 0°CRain 32%
Winter in Ulm has typical daily highs of about 3°C and lows of about 0°C, with a 32% chance of rain on a given day.
Ulm weather in springMarch to May
High 12°CLow 5°CRain 32%
Spring in Ulm has typical daily highs of about 12°C and lows of about 5°C, with a 32% chance of rain on a given day.
Ulm weather in summerJune to August
High 22°CLow 15°CRain 31%
Summer in Ulm has typical daily highs of about 22°C and lows of about 15°C, with a 31% chance of rain on a given day.
Ulm weather in autumnSeptember to November
High 13°CLow 7°CRain 32%
Autumn in Ulm has typical daily highs of about 13°C and lows of about 7°C, with a 32% chance of rain on a given day.
When is the rainy season in Ulm?
Ulm has no sharply defined rainy season: the chance of rain on a given day runs from 26% in August, the driest month, to 36% in May, the wettest.
What time of year is Ulm windiest?
Winds in Ulm are highest in February, averaging 3.7 m/s (13 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 Ulm year round?
The average temperature in Ulm 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.