Annual mean 11°C · wettest around December · prevailing wind NW
Warmest
22.8 °C
Coldest
1.0 °C
Wettest
35%
Windiest
3.3 m/s
Prevailing
NW
2.7 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 Altstätten over the whole year is 11°C. July is the hottest month, with highs of about 23°C; January is the coldest, with lows of about 0°C. Altstätten has no sharply defined rainy season: the chance of rain on a given day runs from 23% in October, the driest month, to 33% in December, the wettest. Winds in Altstätten are highest in March, averaging 2.6 m/s (9 km/h), and lightest in September, at 1.9 m/s (7 km/h). The prevailing wind is from the NW. The clearest skies in Altstätten come in August, when the sky is typically 56% covered; December is the cloudiest month, at 75%.
Month by month Altstätten 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
-1°C
29%
73%
2.3 m/s
0
0
8
February
5°C
2°C
1°C
26%
68%
2.5 m/s
0
0
18
March
8°C
3°C
4°C
26%
62%
2.6 m/s
2
0
35
April
13°C
6°C
9°C
24%
61%
2.6 m/s
18
0
62
May
16°C
10°C
14°C
31%
64%
2.4 m/s
45
3
75
June
22°C
16°C
20°C
27%
58%
2.2 m/s
75
22
61
July
23°C
17°C
22°C
27%
57%
2.1 m/s
77
29
54
August
22°C
16°C
22°C
25%
56%
2.0 m/s
72
33
50
September
18°C
12°C
17°C
25%
56%
1.9 m/s
64
8
74
October
13°C
9°C
11°C
23%
63%
2.1 m/s
28
0
74
November
7°C
4°C
4°C
28%
74%
2.2 m/s
1
0
32
December
4°C
2°C
0°C
33%
75%
2.3 m/s
0
0
10
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 Altstätten weather by season
Year round, Altstätten 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 17°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around December and least likely around October. 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.
Altstätten weather in winterDecember to February
High 4°CLow 1°CRain 29%
Winter in Altstätten has typical daily highs of about 4°C and lows of about 1°C, with a 29% chance of rain on a given day.
Altstätten weather in springMarch to May
High 12°CLow 6°CRain 27%
Spring in Altstätten has typical daily highs of about 12°C and lows of about 6°C, with a 27% chance of rain on a given day.
Altstätten weather in summerJune to August
High 22°CLow 16°CRain 26%
Summer in Altstätten has typical daily highs of about 22°C and lows of about 16°C, with a 26% chance of rain on a given day.
Altstätten weather in autumnSeptember to November
High 13°CLow 8°CRain 25%
Autumn in Altstätten has typical daily highs of about 13°C and lows of about 8°C, with a 25% chance of rain on a given day.
When is the rainy season in Altstätten?
Altstätten has no sharply defined rainy season: the chance of rain on a given day runs from 23% in October, the driest month, to 33% in December, the wettest.
What time of year is Altstätten windiest?
Winds in Altstätten are highest in March, averaging 2.6 m/s (9 km/h), and lightest in September, at 1.9 m/s (7 km/h). The prevailing wind is from the NW.
What is the average temperature in Altstätten year round?
The average temperature in Altstätten over the whole year is 11°C. July is the hottest month, with highs of about 23°C; January is the coldest, with lows of about 0°C.