Defqon.1 is held at the end of June in Biddinghuizen in the province of Flevoland. The Dutch meteorological institute KNMI has a weather station in nearby Lelystad. This is what a normal June looks like there, according to KNMI's averages for 1991-2020.

Normal weather in June

  • Average temperature: 15.8°C.
  • Average daytime high: 20.4°C.
  • Average night-time low: 10.8°C.
  • Rainfall: 67 mm over the whole of June, with at least 1 mm of rain on about 10 days out of 30.
  • Sunshine: just over 210 hours during the month.
  • Days of at least 25°C: just under 4 on average. Days of at least 30°C: just under 1.

So be prepared for warm days, rain and cold nights. Q-dance advises visitors to bring sunscreen and a rain poncho or rain jacket, and reminds them that evenings and nights can get cold.

The heat in 2026

In 2026 there was extreme heat during the festival week. KNMI issued a code red heat warning from the night before 26 June, and that day the temperature peaked at 39.4°C in the Netherlands. Defqon.1 2026 was cancelled because of the heat. Read more on the Defqon.1 2026 page.

Weather tips

  • Drink water during the day and eat, preferably salty food when it is hot.
  • Avoid staying in the sun for too long, and be careful with alcohol when it is hot.
  • Bring sunscreen in unopened packaging.
  • Bring a rain poncho or rain jacket and warm clothes for the evening.

You can find the current weather forecast at KNMI. Also read the Defqon.1 packing list.