Annual mean 12°C · wettest around January · prevailing wind W
Warmest
21.2 °C
Coldest
8.3 °C
Wettest
33%
Windiest
7.5 m/s
Prevailing
W
6.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Landerneau over the whole year is 12°C. August is the hottest month, with highs of about 20°C; January is the coldest, with lows of about 7°C. The rainy (wet) season in Landerneau runs from October to March, peaking in January with a 28% chance of rain on a given day. The dry season is April to September; July is the driest month, at 10%. Winds in Landerneau are highest in February, averaging 6.2 m/s (22 km/h), and lightest in August, at 4.3 m/s (15 km/h). The prevailing wind is from the W. The clearest skies in Landerneau come in May, when the sky is typically 71% covered; December is the cloudiest month, at 85%.
Month by month Landerneau 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
9°C
7°C
4°C
28%
84%
5.9 m/s
0
0
23
February
10°C
7°C
4°C
23%
81%
6.2 m/s
1
0
30
March
11°C
7°C
6°C
20%
79%
6.0 m/s
3
0
41
April
14°C
8°C
9°C
11%
73%
4.9 m/s
14
0
65
May
16°C
11°C
13°C
11%
71%
4.7 m/s
35
1
81
June
19°C
13°C
16°C
12%
77%
4.4 m/s
59
6
78
July
20°C
15°C
18°C
10%
76%
4.4 m/s
75
10
77
August
20°C
15°C
18°C
10%
77%
4.3 m/s
78
9
77
September
19°C
14°C
16°C
13%
78%
4.4 m/s
59
5
78
October
16°C
11°C
12°C
20%
78%
4.9 m/s
27
0
78
November
12°C
9°C
7°C
25%
82%
5.6 m/s
3
0
55
December
10°C
8°C
5°C
27%
85%
6.2 m/s
0
0
38
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 Landerneau weather by season
Year round, Landerneau has days of about 9°C at their warmest in January, its coolest month, and 20°C in August, its warmest; the coolest hours of the day run from 7°C to 15°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around January and least likely around July. 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.
Landerneau weather in winterDecember to February
High 10°CLow 7°CRain 26%
Winter in Landerneau has typical daily highs of about 10°C and lows of about 7°C, with a 26% chance of rain on a given day.
Landerneau weather in springMarch to May
High 14°CLow 9°CRain 14%
Spring in Landerneau has typical daily highs of about 14°C and lows of about 9°C, with a 14% chance of rain on a given day.
Landerneau weather in summerJune to August
High 20°CLow 14°CRain 10%
Summer in Landerneau has typical daily highs of about 20°C and lows of about 14°C, with a 10% chance of rain on a given day.
Landerneau weather in autumnSeptember to November
High 15°CLow 11°CRain 19%
Autumn in Landerneau has typical daily highs of about 15°C and lows of about 11°C, with a 19% chance of rain on a given day.
When is the rainy season in Landerneau?
The rainy (wet) season in Landerneau runs from October to March, peaking in January with a 28% chance of rain on a given day. The dry season is April to September; July is the driest month, at 10%.
What time of year is Landerneau windiest?
Winds in Landerneau are highest in February, averaging 6.2 m/s (22 km/h), and lightest in August, at 4.3 m/s (15 km/h). The prevailing wind is from the W.
What is the average temperature in Landerneau year round?
The average temperature in Landerneau over the whole year is 12°C. August is the hottest month, with highs of about 20°C; January is the coldest, with lows of about 7°C.