Annual mean 11°C · wettest around November · prevailing wind SW
Warmest
23.5 °C
Coldest
2.1 °C
Wettest
33%
Windiest
5.4 m/s
Prevailing
SW
4.2 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 Saarlouis 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 1°C. Saarlouis has no sharply defined rainy season: the chance of rain on a given day runs from 20% in April, the driest month, to 30% in November, the wettest. Winds in Saarlouis are highest in February, averaging 4.3 m/s (15 km/h), and lightest in August, at 2.9 m/s (10 km/h). The prevailing wind is from the SW. The clearest skies in Saarlouis come in August, when the sky is typically 53% covered; December is the cloudiest month, at 77%.
Month by month Saarlouis 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
-2°C
28%
74%
4.1 m/s
0
0
6
February
6°C
2°C
1°C
26%
66%
4.3 m/s
1
0
16
March
9°C
4°C
4°C
28%
61%
4.0 m/s
3
0
32
April
13°C
6°C
8°C
20%
59%
3.5 m/s
18
0
55
May
17°C
11°C
14°C
25%
55%
3.3 m/s
42
4
73
June
22°C
15°C
20°C
28%
54%
3.0 m/s
69
20
62
July
23°C
16°C
21°C
22%
53%
3.0 m/s
73
22
60
August
23°C
16°C
21°C
21%
53%
2.9 m/s
69
27
57
September
19°C
12°C
16°C
25%
58%
2.9 m/s
56
10
70
October
14°C
9°C
11°C
29%
64%
3.4 m/s
23
1
69
November
7°C
5°C
3°C
30%
72%
3.6 m/s
1
0
25
December
5°C
3°C
-0°C
29%
77%
3.9 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 Saarlouis weather by season
Year round, Saarlouis has days of about 3°C at their warmest in January, its coolest month, and 23°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 November 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.
Saarlouis weather in winterDecember to February
High 5°CLow 2°CRain 28%
Winter in Saarlouis has typical daily highs of about 5°C and lows of about 2°C, with a 28% chance of rain on a given day.
Saarlouis weather in springMarch to May
High 13°CLow 7°CRain 24%
Spring in Saarlouis has typical daily highs of about 13°C and lows of about 7°C, with a 24% chance of rain on a given day.
Saarlouis weather in summerJune to August
High 22°CLow 16°CRain 24%
Summer in Saarlouis has typical daily highs of about 22°C and lows of about 16°C, with a 24% chance of rain on a given day.
Saarlouis weather in autumnSeptember to November
High 13°CLow 8°CRain 28%
Autumn in Saarlouis has typical daily highs of about 13°C and lows of about 8°C, with a 28% chance of rain on a given day.
When is the rainy season in Saarlouis?
Saarlouis has no sharply defined rainy season: the chance of rain on a given day runs from 20% in April, the driest month, to 30% in November, the wettest.
What time of year is Saarlouis windiest?
Winds in Saarlouis are highest in February, averaging 4.3 m/s (15 km/h), and lightest in August, at 2.9 m/s (10 km/h). The prevailing wind is from the SW.
What is the average temperature in Saarlouis year round?
The average temperature in Saarlouis 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 1°C.