Annual mean 8°C · wettest around December · prevailing wind W
Warmest
25.3 °C
Coldest
-6.9 °C
Wettest
32%
Windiest
4.6 m/s
Prevailing
W
3.8 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 Saint-Lazare over the whole year is 8°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -9°C. Saint-Lazare has no sharply defined rainy season: the chance of rain on a given day runs from 12% in September, the driest month, to 25% in December, the wettest. Winds in Saint-Lazare are highest in April, averaging 3.6 m/s (13 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Saint-Lazare come in September, when the sky is typically 42% covered; December is the cloudiest month, at 61%.
Month by month Saint-Lazare 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
-6°C
-9°C
-12°C
23%
60%
3.3 m/s
0
0
0
February
-5°C
-8°C
-10°C
23%
55%
3.4 m/s
0
0
1
March
1°C
-4°C
-5°C
20%
52%
3.5 m/s
0
0
5
April
9°C
3°C
3°C
22%
49%
3.6 m/s
6
0
31
May
17°C
11°C
14°C
14%
47%
3.1 m/s
42
8
68
June
22°C
16°C
20°C
16%
46%
2.9 m/s
69
24
60
July
25°C
19°C
25°C
14%
43%
2.6 m/s
69
51
34
August
24°C
17°C
24°C
14%
42%
2.4 m/s
73
42
42
September
20°C
13°C
19°C
12%
42%
2.4 m/s
65
19
69
October
13°C
7°C
10°C
19%
50%
2.7 m/s
25
1
59
November
4°C
0°C
-1°C
20%
55%
3.2 m/s
4
0
14
December
-3°C
-5°C
-8°C
25%
61%
3.3 m/s
0
0
1
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 Saint-Lazare weather by season
Year round, Saint-Lazare has days of about -6°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -9°C to 19°C through the year, and the average temperature over the year is 8°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.
Saint-Lazare weather in winterDecember to February
High -5°CLow -7°CRain 24%
Winter in Saint-Lazare has typical daily highs of about -5°C and lows of about -7°C, with a 24% chance of rain on a given day.
Saint-Lazare weather in springMarch to May
High 9°CLow 3°CRain 19%
Spring in Saint-Lazare has typical daily highs of about 9°C and lows of about 3°C, with a 19% chance of rain on a given day.
Saint-Lazare weather in summerJune to August
High 24°CLow 17°CRain 15%
Summer in Saint-Lazare has typical daily highs of about 24°C and lows of about 17°C, with a 15% chance of rain on a given day.
Saint-Lazare weather in autumnSeptember to November
High 12°CLow 7°CRain 17%
Autumn in Saint-Lazare has typical daily highs of about 12°C and lows of about 7°C, with a 17% chance of rain on a given day.
When is the rainy season in Saint-Lazare?
Saint-Lazare has no sharply defined rainy season: the chance of rain on a given day runs from 12% in September, the driest month, to 25% in December, the wettest.
What time of year is Saint-Lazare windiest?
Winds in Saint-Lazare are highest in April, averaging 3.6 m/s (13 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Saint-Lazare year round?
The average temperature in Saint-Lazare over the whole year is 8°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -9°C.