Annual mean 13°C · wettest around February · prevailing wind W
Warmest
22.1 °C
Coldest
8.1 °C
Wettest
25%
Windiest
5.5 m/s
Prevailing
W
4.5 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 Hennebont over the whole year is 13°C. August is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 6°C. Hennebont has no sharply defined rainy season: the chance of rain on a given day runs from 6% in July, the driest month, to 19% in February, the wettest. Winds in Hennebont are highest in December, averaging 4.7 m/s (17 km/h), and lightest in June, at 3.4 m/s (12 km/h). The prevailing wind is from the W. The clearest skies in Hennebont come in April, when the sky is typically 68% covered; December is the cloudiest month, at 80%.
Month by month Hennebont 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
6°C
3°C
18%
80%
4.5 m/s
0
0
25
February
10°C
7°C
4°C
19%
79%
4.6 m/s
1
0
35
March
11°C
7°C
6°C
16%
75%
4.6 m/s
3
0
47
April
14°C
8°C
10°C
9%
68%
3.8 m/s
17
0
70
May
17°C
12°C
13°C
8%
70%
3.7 m/s
42
1
83
June
20°C
15°C
18°C
8%
73%
3.4 m/s
68
10
76
July
21°C
16°C
19°C
6%
70%
3.6 m/s
81
13
75
August
21°C
16°C
19°C
7%
69%
3.5 m/s
82
13
73
September
19°C
14°C
17°C
9%
72%
3.5 m/s
70
6
81
October
16°C
12°C
13°C
14%
74%
3.9 m/s
36
1
82
November
12°C
9°C
8°C
18%
76%
4.4 m/s
2
0
59
December
10°C
8°C
5°C
17%
80%
4.7 m/s
0
0
36
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 Hennebont weather by season
Year round, Hennebont has days of about 9°C at their warmest in January, its coolest month, and 21°C in August, its warmest; the coolest hours of the day run from 6°C to 16°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around February 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.
Hennebont weather in winterDecember to February
High 9°CLow 7°CRain 18%
Winter in Hennebont has typical daily highs of about 9°C and lows of about 7°C, with a 18% chance of rain on a given day.
Hennebont weather in springMarch to May
High 14°CLow 9°CRain 11%
Spring in Hennebont has typical daily highs of about 14°C and lows of about 9°C, with a 11% chance of rain on a given day.
Hennebont weather in summerJune to August
High 21°CLow 16°CRain 7%
Summer in Hennebont has typical daily highs of about 21°C and lows of about 16°C, with a 7% chance of rain on a given day.
Hennebont weather in autumnSeptember to November
High 16°CLow 12°CRain 14%
Autumn in Hennebont has typical daily highs of about 16°C and lows of about 12°C, with a 14% chance of rain on a given day.
When is the rainy season in Hennebont?
Hennebont has no sharply defined rainy season: the chance of rain on a given day runs from 6% in July, the driest month, to 19% in February, the wettest.
What time of year is Hennebont windiest?
Winds in Hennebont are highest in December, averaging 4.7 m/s (17 km/h), and lightest in June, at 3.4 m/s (12 km/h). The prevailing wind is from the W.
What is the average temperature in Hennebont year round?
The average temperature in Hennebont over the whole year is 13°C. August is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 6°C.