Sun, sea & sand

Brest weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

20

Holiday weather in May

Poor

Best time to visit: April – September

What is the weather like in Brest in May?

In May, Brest is cool: daytime highs average 15 °C, and nights cool down to about 11 °C. The sea averages 12.7 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 57 mm in total. All in all, May is not an ideal month for a holiday in Brest.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score172022
Day13°15°18°
Night8°11°13°
Sea11°13°14°
Sun6 h6 h6 h
Rain days121110

More details for May

Daylight
15 h 10 min06:39 – 21:49
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
25 km/haverage daily peakAll months
Cloud cover
63 %on averageAll months
Hot days
0 days30 °C or more
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %50 %
  • Few rainy daysweight 20 %52 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Brest in May: quick answers

Is Brest hot in May?

No. In May, Brest is cool: daytime highs average 15 °C and nights drop to about 11 °C.

Can you swim in Brest in May?

Only if you don't mind cold water: in May the sea averages just 12.7 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Brest in May?

Rain is frequent, with about 11 rainy days and 57 mm in total.

Brest month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences