Annual mean 10°C · wettest around December · prevailing wind S
Warmest
22.5 °C
Coldest
1.1 °C
Wettest
40%
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 Ecublens over the whole year is 10°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 0°C. Ecublens has no sharply defined rainy season: the chance of rain on a given day runs from 18% in August, the driest month, to 36% in December, the wettest. Winds in Ecublens are highest in January, averaging 3.9 m/s (14 km/h), and lightest in August, at 2.6 m/s (9 km/h). The prevailing wind is from the S. The clearest skies in Ecublens come in August, when the sky is typically 52% covered; January is the cloudiest month, at 69%.
Month by month Ecublens 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
0°C
-2°C
32%
69%
3.9 m/s
0
0
8
February
5°C
1°C
1°C
26%
63%
3.6 m/s
0
0
18
March
8°C
3°C
3°C
28%
62%
3.5 m/s
1
0
32
April
11°C
6°C
8°C
24%
61%
3.2 m/s
16
0
56
May
15°C
10°C
12°C
29%
66%
3.1 m/s
37
1
69
June
20°C
15°C
19°C
26%
57%
2.8 m/s
67
19
61
July
22°C
16°C
21°C
21%
54%
2.8 m/s
73
28
55
August
22°C
16°C
21°C
18%
52%
2.6 m/s
69
31
52
September
18°C
12°C
16°C
20%
57%
2.8 m/s
59
8
70
October
13°C
8°C
11°C
23%
59%
2.9 m/s
28
0
70
November
7°C
4°C
3°C
31%
69%
3.2 m/s
1
0
29
December
4°C
1°C
-0°C
36%
68%
3.4 m/s
0
0
9
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 Ecublens weather by season
Year round, Ecublens has days of about 3°C at their warmest in January, its coolest month, and 22°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 10°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.
Ecublens weather in winterDecember to February
High 4°CLow 1°CRain 31%
Winter in Ecublens has typical daily highs of about 4°C and lows of about 1°C, with a 31% chance of rain on a given day.
Ecublens weather in springMarch to May
High 11°CLow 6°CRain 27%
Spring in Ecublens has typical daily highs of about 11°C and lows of about 6°C, with a 27% chance of rain on a given day.
Ecublens weather in summerJune to August
High 21°CLow 16°CRain 22%
Summer in Ecublens has typical daily highs of about 21°C and lows of about 16°C, with a 22% chance of rain on a given day.
Ecublens weather in autumnSeptember to November
High 13°CLow 8°CRain 24%
Autumn in Ecublens has typical daily highs of about 13°C and lows of about 8°C, with a 24% chance of rain on a given day.
When is the rainy season in Ecublens?
Ecublens has no sharply defined rainy season: the chance of rain on a given day runs from 18% in August, the driest month, to 36% in December, the wettest.
What time of year is Ecublens windiest?
Winds in Ecublens are highest in January, averaging 3.9 m/s (14 km/h), and lightest in August, at 2.6 m/s (9 km/h). The prevailing wind is from the S.
What is the average temperature in Ecublens year round?
The average temperature in Ecublens over the whole year is 10°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 0°C.