Belgium in June: Weather, Crowds & What to Expect

Season
High Season
Temperature
14-21°C (57-70°F)
Crowds
High
Prices
High
June typically provides warm, comfortable weather and is the beginning of the main tourist season. Expect higher occupancy in hotels and busier attractions, especially in Brussels, Bruges and Ghent.

Climate Map for June

Belgium average temperature in June
-30°-20°-10° 10°20°30°40°

Average temperature across Belgium in June.

City Weather in June

City High Low Rain UV Feels
City of Brussels 22° 12° 76 mm high Cool
Antwerp 21° 12° 77 mm high Cool
Gent 21° 12° 77 mm high Cool
Charleroi 21° 11° 79 mm high Cool
Liège 22° 12° 83 mm high Cool
Bruges 19° 11° 67 mm high Cool
Namur 21° 11° 74 mm high Cool

High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.

Belgian Coast (West Flanders - Ostend, Knokke, De Panne)

June usually offers pleasantly mild weather with more reliable dry spells and the North Sea beginning to feel slightly less icy, encouraging early swimmers and families at the beaches. Ferry trips and coastal boat tours run more reliably, while summer markets start popping up in seaside squares; do expect the first busy weekends as Belgians head to the shore. A light jacket for nights is wise: sea breezes cool quickly after sunset.

Flanders & Canal Cities (Bruges, Ghent, Antwerp)

June typically offers warm, mostly dry weather ideal for boat tours through the canals and exploring Antwerp’s architecture; daytime highs commonly reach the low to mid-20s°C. Tourist numbers begin to rise, and weekend trains between Bruges and Brussels grow crowded, so book ahead. Expect occasional summer thunderstorms; pack a compact rain jacket and plan morning excursions before late-afternoon showers.

Brussels & Central Plateau (Brussels, Leuven, Mechelen)

June keeps pleasantly warm weather and long evenings well-suited to open-air dining and late walks through the European Quarter; daytime highs often reach the low 20s°C. Occasional thunderstorms may roll in during the afternoon, particularly on warmer days, so schedule excursions like Atomium visits earlier in the day. Comfortable walking shoes and an umbrella are essential; early bookings for popular restaurants are wise in summer.

The Ardennes & High Fens (Spa, La Roche-en-Ardenne, Malmedy, Baraque Michel)

June sees long daylight, green forests and reliably good conditions for hiking, mountain biking and canoeing on the Ourthe; daytime highs are comfortable in the upper teens to low 20s°C. Weekend visitors increase but trails remain uncrowded compared with Alpine resorts - book gîtes or B&Bs in advance for popular areas near La Roche. A light fleece for cooler ridge-top mornings and a waterproof layer for afternoon storms will cover most scenarios.

Events & Festivals in June

Brussels Summer Festival (late August more common)
A range of outdoor cultural events occurs through late spring and summer in cities.