Annual mean 11°C · wettest around December · prevailing wind W
Warmest
24.4 °C
Coldest
1.7 °C
Wettest
29%
Windiest
3.2 m/s
Prevailing
W
2.6 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 Rheinfelden over the whole year is 11°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about 1°C. Rheinfelden has no sharply defined rainy season: the chance of rain on a given day runs from 16% in September, the driest month, to 27% in December, the wettest. Winds in Rheinfelden are highest in February, averaging 2.5 m/s (9 km/h), and lightest in September, at 1.5 m/s (5 km/h). The prevailing wind is from the W. The clearest skies in Rheinfelden come in August, when the sky is typically 60% covered; December is the cloudiest month, at 84%.
Month by month Rheinfelden 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
3°C
1°C
-1°C
25%
80%
2.4 m/s
0
0
10
February
6°C
2°C
2°C
21%
73%
2.5 m/s
0
0
23
March
10°C
3°C
6°C
21%
68%
2.3 m/s
5
0
43
April
14°C
6°C
10°C
20%
68%
2.1 m/s
30
0
67
May
17°C
10°C
15°C
23%
71%
1.9 m/s
51
5
76
June
23°C
15°C
22°C
20%
63%
1.8 m/s
74
29
54
July
24°C
16°C
24°C
17%
61%
1.7 m/s
73
40
43
August
24°C
16°C
24°C
17%
60%
1.6 m/s
65
45
40
September
20°C
12°C
19°C
16%
62%
1.5 m/s
70
18
69
October
14°C
9°C
13°C
18%
71%
1.7 m/s
37
1
80
November
7°C
5°C
4°C
24%
81%
2.0 m/s
2
0
32
December
4°C
2°C
1°C
27%
84%
2.4 m/s
0
0
12
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 Rheinfelden weather by season
Year round, Rheinfelden has days of about 3°C at their warmest in January, its coolest month, and 24°C in July, its warmest; the coolest hours of the day run from 1°C to 16°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 September. 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.
Rheinfelden weather in winterDecember to February
High 5°CLow 2°CRain 24%
Winter in Rheinfelden has typical daily highs of about 5°C and lows of about 2°C, with a 24% chance of rain on a given day.
Rheinfelden weather in springMarch to May
High 13°CLow 6°CRain 21%
Spring in Rheinfelden has typical daily highs of about 13°C and lows of about 6°C, with a 21% chance of rain on a given day.
Rheinfelden weather in summerJune to August
High 24°CLow 16°CRain 18%
Summer in Rheinfelden has typical daily highs of about 24°C and lows of about 16°C, with a 18% chance of rain on a given day.
Rheinfelden weather in autumnSeptember to November
High 14°CLow 9°CRain 19%
Autumn in Rheinfelden has typical daily highs of about 14°C and lows of about 9°C, with a 19% chance of rain on a given day.
When is the rainy season in Rheinfelden?
Rheinfelden has no sharply defined rainy season: the chance of rain on a given day runs from 16% in September, the driest month, to 27% in December, the wettest.
What time of year is Rheinfelden windiest?
Winds in Rheinfelden are highest in February, averaging 2.5 m/s (9 km/h), and lightest in September, at 1.5 m/s (5 km/h). The prevailing wind is from the W.
What is the average temperature in Rheinfelden year round?
The average temperature in Rheinfelden over the whole year is 11°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about 1°C.