When is the best time to visit Lorient and South Brittany?

The weather in Lorient and South Brittany, month by month

Daytime and night-time temperatures, then rainfall. Records 2015-2024 (Lorient). The exact figures are in the table below.
The table of records, month by month
Real 2015-2024 records at the Météo-France station "Lorient-Lann-Bihoué" (base climatological data, Météo-France, Licence Ouverte).
MonthHighLowRainfallRainy daysBest
January10°4°110 mm15 d
February11°4°81 mm12 d
March13°6°71 mm12 d
April16°6°55 mm8 d
May19°9°55 mm9 d✓
June22°12°55 mm9 d✓
July23°14°52 mm7 d✓
August23°14°54 mm8 d✓
September21°12°55 mm9 d✓
October17°10°102 mm12 d
November13°7°104 mm13 d
December11°6°119 mm15 d

The four seasons in Lorient and South Brittany, in figures

What the 2015-2024 records (Lorient) show, season by season, to compare at a glance instead of reading twelve rows of a table.

Winter

Dec → Feb
10 to 11°
nights 4 to 6°
  • 14 rainy days · 103 mm
Not recommended

Spring

Mar → May
13 to 19°
nights 6 to 9°
  • 10 rainy days · 60 mm
1 month recommended

Summer

Jun → Aug
22 to 23°
nights 12 to 14°
  • 8 rainy days · 54 mm
Recommended

Autumn

Sep → Nov
13 to 21°
nights 7 to 12°
  • 11 rainy days · 87 mm
1 month recommended

Book early for May to September

The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.

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Daylight in Lorient and South Brittany, month by month

The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 15h59 of daylight, in December 8h25, a difference of 7h33.

8h49Jan
10h10Feb
11h45Mar
13h34Apr
15h07May
15h59Jun
15h38Jul
14h16Aug
12h29Sep
10h44Oct
9h12Nov
8h25Dec

Calculated for the latitude of the reference point "Lorient" (47.75°). Values on the 15th of each month, local solar time.

What to do in Lorient and South Brittany, month by month

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Sightseeing & walks
Long days

favourablewith compromisesunfavourable

Grid derived from the records (temperature, rainfall), not from an opinion.

Travelling off-peak

Month by month, in detail

January

Not recommended
10°4° at night
  • 110 mm · 15 d

Low season, lower prices

February

Not recommended
11°4° at night
  • 81 mm · 12 d

Low season, lower prices

March

Not recommended
13°6° at night
  • 71 mm · 12 d

Low season, lower prices

April

Fair
16°6° at night
  • 55 mm · 8 d

Low season, lower prices

May

Recommended
19°9° at night
  • 55 mm · 9 d

Busy, without the crush

June

Recommended
22°12° at night
  • 55 mm · 9 d

Busy, without the crush

July

Recommended
23°14° at night
  • 52 mm · 7 d

High season, book early

August

Recommended
23°14° at night
  • 54 mm · 8 d

High season, book early

September

Recommended
21°12° at night
  • 55 mm · 9 d

Busy, without the crush

October

Fair
17°10° at night
  • 102 mm · 12 d

Low season, lower prices

November

Not recommended
13°7° at night
  • 104 mm · 13 d

Low season, lower prices

December

Not recommended
11°6° at night
  • 119 mm · 15 d

Quiet, then the holidays

Read the twelve months in detail

January. Cool: 10 °C at best, 4 °C at night. A very wet month, 110 mm of rain over 15 days. Low season: fewer people, lower prices.

February. Cool: 11 °C at best, 4 °C at night. Expect 12 days of rain in the month (81 mm). Low season: fewer people, lower prices.

March. Cool: 13 °C at best, 6 °C at night. Expect 12 days of rain in the month (71 mm). Low season: fewer people, lower prices.

April. Cool: 16 °C at best, 6 °C at night. Expect 8 days of rain in the month (55 mm). Low season: fewer people, lower prices.

May. Mild, 19 °C in the afternoon and 9 °C early in the morning. Expect 9 days of rain in the month (55 mm). Busy season, without the crush.

June. Mild, 22 °C in the afternoon and 12 °C early in the morning. Expect 9 days of rain in the month (55 mm). Busy season, without the crush.

July. Mild, 23 °C in the afternoon and 14 °C early in the morning. Rain stays light: 52 mm over 7 days. High season: book early.

August. Mild, 23 °C in the afternoon and 14 °C early in the morning. Expect 8 days of rain in the month (54 mm). High season: book early.

September. Mild, 21 °C in the afternoon and 12 °C early in the morning. Expect 9 days of rain in the month (55 mm). Busy season, without the crush.

October. Cool: 17 °C at best, 10 °C at night. Expect 12 days of rain in the month (102 mm). Low season: fewer people, lower prices.

November. Cool: 13 °C at best, 7 °C at night. Expect 13 days of rain in the month (104 mm). Low season: fewer people, lower prices.

December. Cool: 11 °C at best, 6 °C at night. A very wet month, 119 mm of rain over 15 days. Quiet at the start of the month, then busier as the holidays approach.

Same season, other ideas

Their best time overlaps with this one: worth comparing before you book.

Frequently asked questions

When is the best time to visit Lorient and South Brittany?

May to September: over these months, recorded highs range from 19 to 23 °C, with 8 days of rain a month on average (2015-2024 records, Lorient).

Which month should you avoid in Lorient and South Brittany?

December: it is the wettest of the months to avoid, with 119 mm over 15 days of rain on average, according to 2015-2024 records at the reference point (Lorient).

What is the hottest month in Lorient and South Brittany?

July, with 23 °C on average in the afternoon and 14 °C at night. 2015-2024 records (Lorient).

What is the coldest month in Lorient and South Brittany?

January, with 10 °C at best during the day and 4 °C at night. 2015-2024 records (Lorient).

What is the driest month in Lorient and South Brittany?

July: 52 mm over 7 days of rain, against 119 mm in December, the wettest month.

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Photos: Pablo / Pexels · SlimMars 13 / Pexels · Arnauld van Wambeke / Pexels