Annual mean 10°C · wettest around December · prevailing wind W
Warmest
23.3 °C
Coldest
1.2 °C
Wettest
33%
Windiest
5.3 m/s
Prevailing
W
4.3 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 Ilmenau over the whole year is 10°C. August is the hottest month, with highs of about 23°C; January is the coldest, with lows of about 0°C. Ilmenau has no sharply defined rainy season: the chance of rain on a given day runs from 21% in April, the driest month, to 30% in December, the wettest. Winds in Ilmenau are highest in January, averaging 4.4 m/s (16 km/h), and lightest in August, at 3.0 m/s (11 km/h). The prevailing wind is from the W. The clearest skies in Ilmenau come in June, when the sky is typically 48% covered; December is the cloudiest month, at 71%.
Month by month Ilmenau 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%
69%
4.4 m/s
0
0
3
February
4°C
1°C
-1°C
27%
63%
4.3 m/s
0
0
9
March
8°C
2°C
3°C
24%
60%
3.8 m/s
2
0
25
April
12°C
5°C
7°C
21%
56%
3.5 m/s
16
0
49
May
16°C
10°C
13°C
26%
51%
3.2 m/s
38
3
71
June
22°C
15°C
19°C
23%
48%
3.1 m/s
72
17
65
July
22°C
15°C
20°C
24%
50%
3.3 m/s
70
18
64
August
23°C
15°C
21°C
23%
48%
3.0 m/s
68
25
58
September
19°C
11°C
16°C
27%
50%
3.0 m/s
53
10
70
October
13°C
8°C
10°C
29%
58%
3.5 m/s
18
0
63
November
6°C
4°C
2°C
25%
68%
3.5 m/s
0
0
20
December
4°C
2°C
-1°C
30%
71%
4.2 m/s
0
0
5
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 Ilmenau weather by season
Year round, Ilmenau has days of about 2°C at their warmest in January, its coolest month, and 23°C in August, its warmest; the coolest hours of the day run from 0°C to 15°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around December 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.
Ilmenau weather in winterDecember to February
High 3°CLow 1°CRain 28%
Winter in Ilmenau has typical daily highs of about 3°C and lows of about 1°C, with a 28% chance of rain on a given day.
Ilmenau weather in springMarch to May
High 12°CLow 5°CRain 24%
Spring in Ilmenau has typical daily highs of about 12°C and lows of about 5°C, with a 24% chance of rain on a given day.
Ilmenau weather in summerJune to August
High 22°CLow 15°CRain 24%
Summer in Ilmenau has typical daily highs of about 22°C and lows of about 15°C, with a 24% chance of rain on a given day.
Ilmenau weather in autumnSeptember to November
High 13°CLow 8°CRain 27%
Autumn in Ilmenau has typical daily highs of about 13°C and lows of about 8°C, with a 27% chance of rain on a given day.
When is the rainy season in Ilmenau?
Ilmenau has no sharply defined rainy season: the chance of rain on a given day runs from 21% in April, the driest month, to 30% in December, the wettest.
What time of year is Ilmenau windiest?
Winds in Ilmenau are highest in January, averaging 4.4 m/s (16 km/h), and lightest in August, at 3.0 m/s (11 km/h). The prevailing wind is from the W.
What is the average temperature in Ilmenau year round?
The average temperature in Ilmenau over the whole year is 10°C. August is the hottest month, with highs of about 23°C; January is the coldest, with lows of about 0°C.