Annual mean 12°C · wettest around May · prevailing wind W
Warmest
25.7 °C
Coldest
2.5 °C
Wettest
20%
Windiest
4.7 m/s
Prevailing
W
3.6 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 Achern over the whole year is 12°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about 2°C. Achern has no sharply defined rainy season: the chance of rain on a given day runs from 13% in August, the driest month, to 19% in May, the wettest. Winds in Achern are highest in February, averaging 3.5 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 Achern come in August, when the sky is typically 52% covered; December is the cloudiest month, at 79%.
Month by month Achern 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
2°C
-0°C
19%
75%
3.4 m/s
0
0
11
February
7°C
3°C
3°C
16%
67%
3.5 m/s
1
0
25
March
10°C
4°C
6°C
18%
64%
3.3 m/s
6
0
43
April
14°C
7°C
10°C
15%
61%
3.0 m/s
25
1
64
May
18°C
12°C
15°C
19%
59%
2.9 m/s
53
7
75
June
24°C
17°C
22°C
18%
53%
2.6 m/s
72
33
50
July
25°C
17°C
23°C
14%
55%
2.5 m/s
73
37
45
August
25°C
17°C
24°C
13%
52%
2.3 m/s
64
42
40
September
21°C
13°C
19°C
15%
56%
2.3 m/s
68
19
66
October
15°C
9°C
13°C
18%
64%
2.5 m/s
36
1
78
November
8°C
5°C
5°C
19%
76%
2.9 m/s
2
0
37
December
5°C
3°C
1°C
18%
79%
3.2 m/s
0
0
15
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 Achern weather by season
Year round, Achern has days of about 4°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from 2°C to 17°C through the year, and the average temperature over the year is 12°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.
Achern weather in winterDecember to February
High 5°CLow 3°CRain 18%
Winter in Achern has typical daily highs of about 5°C and lows of about 3°C, with a 18% chance of rain on a given day.
Achern weather in springMarch to May
High 14°CLow 7°CRain 17%
Spring in Achern has typical daily highs of about 14°C and lows of about 7°C, with a 17% chance of rain on a given day.
Achern weather in summerJune to August
High 24°CLow 17°CRain 15%
Summer in Achern has typical daily highs of about 24°C and lows of about 17°C, with a 15% chance of rain on a given day.
Achern weather in autumnSeptember to November
High 15°CLow 9°CRain 17%
Autumn in Achern has typical daily highs of about 15°C and lows of about 9°C, with a 17% chance of rain on a given day.
When is the rainy season in Achern?
Achern has no sharply defined rainy season: the chance of rain on a given day runs from 13% in August, the driest month, to 19% in May, the wettest.
What time of year is Achern windiest?
Winds in Achern are highest in February, averaging 3.5 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 Achern year round?
The average temperature in Achern over the whole year is 12°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about 2°C.