climigo

Brittany

When to go?

The best months are June–September.

Climate zones

Nouvelle-AquitainePays de la LoireNormandyJerseyRennesRennesRennesSaint-MaloSaint-MaloSaint-MaloBrestBrestBrestLorientLorientLorientVannesVannesVannes

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January 9°4°
February 10°4°
March 12°5°
April 15°7°
May 18°10°
June 21°12°
July 23°14°
August 23°14°
September 21°12°
October 17°10°
November 12°7°
December 10°5°

Monthly min and max temperature (°C)

−5°0°5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDec4.0 · 9.2 °CJanuary: 4.0 · 9.2 °C4.0 · 10.1 °CFebruary: 4.0 · 10.1 °C5.0 · 12.4 °CMarch: 5.0 · 12.4 °C6.5 · 15.0 °CApril: 6.5 · 15.0 °C9.5 · 18.0 °CMay: 9.5 · 18.0 °C12.4 · 21.3 °CJune: 12.4 · 21.3 °C14.0 · 22.8 °CJuly: 14.0 · 22.8 °C14.0 · 22.8 °CAugust: 14.0 · 22.8 °C12.3 · 20.6 °CSeptember: 12.3 · 20.6 °C10.2 · 16.8 °COctober: 10.2 · 16.8 °C7.1 · 12.4 °CNovember: 7.1 · 12.4 °C4.9 · 9.8 °CDecember: 4.9 · 9.8 °C

Monthly min and max temperature (°C)

Jan 4.0 – 9.2 °C
Feb 4.0 – 10.1 °C
Mar 5.0 – 12.4 °C
Apr 6.5 – 15.0 °C
May 9.5 – 18.0 °C
Jun 12.4 – 21.3 °C
Jul 14.0 – 22.8 °C
Aug 14.0 – 22.8 °C
Sep 12.3 – 20.6 °C
Oct 10.2 – 16.8 °C
Nov 7.1 – 12.4 °C
Dec 4.9 – 9.8 °C

How much it rains

January 101 mm13 d
February 77 mm11 d
March 66 mm12 d
April 64 mm10 d
May 63 mm11 d
June 59 mm8 d
July 55 mm8 d
August 62 mm8 d
September 59 mm8 d
October 106 mm13 d
November 107 mm14 d
December 117 mm14 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec101 mm · 13 rain days · 8 mm a dayJanuary: 101 mm · 13 rain days · 8 mm a day77 mm · 11 rain days · 7 mm a dayFebruary: 77 mm · 11 rain days · 7 mm a day66 mm · 12 rain days · 6 mm a dayMarch: 66 mm · 12 rain days · 6 mm a day64 mm · 10 rain days · 6 mm a dayApril: 64 mm · 10 rain days · 6 mm a day63 mm · 11 rain days · 6 mm a dayMay: 63 mm · 11 rain days · 6 mm a day59 mm · 8 rain days · 7 mm a dayJune: 59 mm · 8 rain days · 7 mm a day55 mm · 8 rain days · 7 mm a dayJuly: 55 mm · 8 rain days · 7 mm a day62 mm · 8 rain days · 8 mm a dayAugust: 62 mm · 8 rain days · 8 mm a day59 mm · 8 rain days · 7 mm a daySeptember: 59 mm · 8 rain days · 7 mm a day106 mm · 13 rain days · 8 mm a dayOctober: 106 mm · 13 rain days · 8 mm a day107 mm · 14 rain days · 8 mm a dayNovember: 107 mm · 14 rain days · 8 mm a day117 mm · 14 rain days · 8 mm a dayDecember: 117 mm · 14 rain days · 8 mm a day

Rain days and how much water

Jan 101 mm13 d
Feb 77 mm11 d
Mar 66 mm12 d
Apr 64 mm10 d
May 63 mm11 d
Jun 59 mm8 d
Jul 55 mm8 d
Aug 62 mm8 d
Sep 59 mm8 d
Oct 106 mm13 d
Nov 107 mm14 d
Dec 117 mm14 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 8 h 49
February 10 h 15
March 11 h 51
April 13 h 39
May 15 h 10
June 16 h 01
July 15 h 40
August 14 h 20
September 12 h 37
October 10 h 54
November 9 h 17
December 8 h 24

Mean daylight hours over the whole territory.

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Main cities

Rennes

Saint-Malo

Brest

Cities