Boulogne-sur-Mer weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Poor
Best time to visit: July – August
What is the weather like in Boulogne-sur-Mer in June?
In June, Boulogne-sur-Mer is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. The sea averages 14.2 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 57 mm in total. All in all, June is not an ideal month for a holiday in Boulogne-sur-Mer.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 16 h 28 min05:40 – 22:07
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 22 km/haverage daily peakAll months
- Cloud cover
- 62 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 20 %58 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in June
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Boulogne-sur-Mer in June: quick answers
Is Boulogne-sur-Mer hot in June?
No. In June, Boulogne-sur-Mer is mild: daytime highs average 18 °C and nights drop to about 12 °C.
Can you swim in Boulogne-sur-Mer in June?
Only if you don't mind cold water: in June the sea averages just 14.2 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Boulogne-sur-Mer in June?
Rain is frequent, with about 10 rainy days and 57 mm in total.
Boulogne-sur-Mer month by month
The whole year in Boulogne-sur-MerAll destinations: FranceWhere to go in JuneSea temperature in June
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