Sun, sea & sand

Dunkirk weather in June

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

31

Holiday weather in June

Poor

Best time to visit: July – August

What is the weather like in Dunkirk in June?

In June, Dunkirk is mild: daytime highs average 20 °C, and nights cool down to about 13 °C. The sea averages 14.8 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain is frequent, with about 10 rainy days and 54 mm in total. All in all, June is not an ideal month for a holiday in Dunkirk.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score243141
Day17°20°22°
Night10°13°15°
Sea12°15°17°
Sun7 h8 h8 h
Rain days111011

More details for June

Daylight
16 h 31 min05:35 – 22:06
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
21 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 %12 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %77 %
  • 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

Dunkirk in June: quick answers

Is Dunkirk hot in June?

No. In June, Dunkirk is mild: daytime highs average 20 °C and nights drop to about 13 °C.

Can you swim in Dunkirk in June?

Only if you don't mind cold water: in June the sea averages just 14.8 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Dunkirk in June?

Rain is frequent, with about 10 rainy days and 54 mm in total.

Dunkirk 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