Annual mean 9°C · wettest around December · prevailing wind S
Warmest
21.9 °C
Coldest
0.7 °C
Wettest
38%
Windiest
4.7 m/s
Prevailing
S
3.6 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 Le Mont-sur-Lausanne over the whole year is 9°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -0°C. Le Mont-sur-Lausanne has no sharply defined rainy season: the chance of rain on a given day runs from 18% in August, the driest month, to 34% in December, the wettest. Winds in Le Mont-sur-Lausanne are highest in January, averaging 3.9 m/s (14 km/h), and lightest in August, at 2.7 m/s (10 km/h). The prevailing wind is from the S. The clearest skies in Le Mont-sur-Lausanne come in August, when the sky is typically 52% covered; January is the cloudiest month, at 69%.
Month by month Le Mont-sur-Lausanne 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
31%
69%
3.9 m/s
0
0
7
February
5°C
1°C
0°C
24%
63%
3.7 m/s
0
0
17
March
7°C
2°C
3°C
27%
62%
3.6 m/s
1
0
30
April
11°C
5°C
7°C
23%
60%
3.3 m/s
14
0
53
May
14°C
9°C
11°C
28%
66%
3.1 m/s
35
1
66
June
20°C
14°C
18°C
25%
57%
2.8 m/s
64
18
61
July
21°C
16°C
20°C
21%
53%
2.9 m/s
70
25
56
August
21°C
16°C
20°C
18%
52%
2.7 m/s
67
29
54
September
17°C
12°C
15°C
20%
57%
2.8 m/s
56
8
69
October
13°C
8°C
10°C
22%
59%
3.0 m/s
27
0
68
November
7°C
4°C
3°C
29%
68%
3.4 m/s
1
0
28
December
3°C
1°C
-1°C
34%
68%
3.5 m/s
0
0
8
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 Le Mont-sur-Lausanne weather by season
Year round, Le Mont-sur-Lausanne has days of about 2°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from -0°C to 16°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around December 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.
Le Mont-sur-Lausanne weather in winterDecember to February
High 3°CLow 1°CRain 30%
Winter in Le Mont-sur-Lausanne has typical daily highs of about 3°C and lows of about 1°C, with a 30% chance of rain on a given day.
Le Mont-sur-Lausanne weather in springMarch to May
High 11°CLow 6°CRain 26%
Spring in Le Mont-sur-Lausanne has typical daily highs of about 11°C and lows of about 6°C, with a 26% chance of rain on a given day.
Le Mont-sur-Lausanne weather in summerJune to August
High 21°CLow 15°CRain 21%
Summer in Le Mont-sur-Lausanne has typical daily highs of about 21°C and lows of about 15°C, with a 21% chance of rain on a given day.
Le Mont-sur-Lausanne weather in autumnSeptember to November
High 12°CLow 8°CRain 24%
Autumn in Le Mont-sur-Lausanne has typical daily highs of about 12°C and lows of about 8°C, with a 24% chance of rain on a given day.
When is the rainy season in Le Mont-sur-Lausanne?
Le Mont-sur-Lausanne has no sharply defined rainy season: the chance of rain on a given day runs from 18% in August, the driest month, to 34% in December, the wettest.
What time of year is Le Mont-sur-Lausanne windiest?
Winds in Le Mont-sur-Lausanne are highest in January, averaging 3.9 m/s (14 km/h), and lightest in August, at 2.7 m/s (10 km/h). The prevailing wind is from the S.
What is the average temperature in Le Mont-sur-Lausanne year round?
The average temperature in Le Mont-sur-Lausanne over the whole year is 9°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -0°C.