Annual mean 9°C · wettest around December · prevailing wind W
Warmest
23.2 °C
Coldest
0.2 °C
Wettest
31%
Windiest
4.5 m/s
Prevailing
W
3.3 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 Sallanches over the whole year is 9°C. July is the hottest month, with highs of about 23°C; January is the coldest, with lows of about -2°C. Sallanches has no sharply defined rainy season: the chance of rain on a given day runs from 18% in August, the driest month, to 28% in December, the wettest. Winds in Sallanches are highest in June, averaging 3.6 m/s (13 km/h), and lightest in August, at 2.5 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Sallanches come in August, when the sky is typically 53% covered; November is the cloudiest month, at 65%.
Month by month Sallanches 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
1°C
-2°C
-2°C
27%
63%
2.8 m/s
0
0
10
February
4°C
-1°C
1°C
22%
62%
2.7 m/s
1
0
26
March
7°C
1°C
3°C
25%
60%
2.9 m/s
5
0
40
April
11°C
3°C
7°C
21%
62%
2.8 m/s
23
0
59
May
15°C
8°C
12°C
27%
63%
3.2 m/s
43
4
65
June
21°C
12°C
19°C
24%
59%
3.6 m/s
61
25
50
July
23°C
13°C
21°C
19%
54%
2.9 m/s
61
37
42
August
23°C
13°C
21°C
18%
53%
2.5 m/s
57
38
42
September
17°C
9°C
16°C
18%
56%
2.6 m/s
60
14
61
October
14°C
6°C
11°C
19%
57%
2.7 m/s
37
0
70
November
7°C
1°C
3°C
26%
65%
2.7 m/s
2
0
37
December
3°C
-1°C
-1°C
28%
60%
2.6 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 Sallanches weather by season
Year round, Sallanches has days of about 1°C at their warmest in January, its coolest month, and 23°C in July, its warmest; the coolest hours of the day run from -2°C to 13°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.
Sallanches weather in winterDecember to February
High 3°CLow -1°CRain 26%
Winter in Sallanches has typical daily highs of about 3°C and lows of about -1°C, with a 26% chance of rain on a given day.
Sallanches weather in springMarch to May
High 11°CLow 4°CRain 24%
Spring in Sallanches has typical daily highs of about 11°C and lows of about 4°C, with a 24% chance of rain on a given day.
Sallanches weather in summerJune to August
High 22°CLow 13°CRain 20%
Summer in Sallanches has typical daily highs of about 22°C and lows of about 13°C, with a 20% chance of rain on a given day.
Sallanches weather in autumnSeptember to November
High 13°CLow 5°CRain 21%
Autumn in Sallanches has typical daily highs of about 13°C and lows of about 5°C, with a 21% chance of rain on a given day.
When is the rainy season in Sallanches?
Sallanches has no sharply defined rainy season: the chance of rain on a given day runs from 18% in August, the driest month, to 28% in December, the wettest.
What time of year is Sallanches windiest?
Winds in Sallanches are highest in June, averaging 3.6 m/s (13 km/h), and lightest in August, at 2.5 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Sallanches year round?
The average temperature in Sallanches over the whole year is 9°C. July is the hottest month, with highs of about 23°C; January is the coldest, with lows of about -2°C.