🇳🇱 Haarlemmermeer, Netherlands
What to Pack for Mysteryland 2026
Built from about 15 years of weather records at the site: typical highs of 22°C, overnight lows of 15°C and around 2.5mm of rain per day.
The weather you're packing for
| Day | High | Low | Rain |
|---|---|---|---|
| Fri 21 Aug | 22°C | 15°C | 1.3 mm |
| Sat 22 Aug | 21°C | 15°C | 3.1 mm |
| Sun 23 Aug | 22°C | 15°C | 3.1 mm |
Long-run averages for each festival day, not a forecast. Check the Mysteryland forecast page in the week before you travel.
Always in the bag
- Refillable water bottle — sealed or empty so it gets through the gate.
- Sunscreen SPF 50 — even a cloudy festival day is six hours outdoors.
- Power bank — your phone is your ticket, your map and your group chat.
- Earplugs — for the front rail and for the campsite at 4am.
- More socks than days.
Sun and heat
Highs average 22°C, so heat is rarely the main problem — but the warmest day still reaches about 22°C and shade is limited at most sites.
- A wide-brim hat and sunglasses beat a cap for full-day sets.
- Loose, light-coloured long sleeves cover more skin and feel cooler than a vest.
Rain and mud kit — don't skip this
Rain falls on roughly 100% of Mysteryland days, averaging 2.5mm a day and about 7.5mm across the main days.
- Wellies or waterproof boots, plus dry shoes for the good spells.
- A real rain jacket and a cheap poncho — the poncho covers your bag in a crowd.
- A tarp under the tent and pegs that hold in soft ground.
- Dry bags for phone, power bank and one sealed set of dry clothes.
Sleeping and night layers
Overnight lows average 15°C, with the coldest festival night typically near 15°C (Fri 21 Aug). A 2-season bag with a comfort rating around 8°C covers these nights comfortably.
- An insulated mat — the ground takes more heat than the air.
- A hoodie you don't mind losing.
Why the Mysteryland site matters
The site is flat, open polder land with little shelter, so wind and sudden squalls shape the experience as much as rain. Drainage is decent because the area sits on engineered Dutch soil, but heavy showers can still turn the walkways muddy. Most attendees pack a rain jacket alongside their sunglasses and assume both will get used.