Belgium Brussels Weather in July — Climate Guide
July in Brussels is very-high
July is very-high for Brussels.
July is Brussels' warmest month and peak tourist season — long days, festivals, and the city at its liveliest. It averages 23°C/14°C with 75mm of rain, much of it in summer showers and thunderstorms.
Belgian National Day (July 21) is the highlight: a military and civil parade, free concerts, a popular fair in the Parc de Bruxelles, and evening fireworks. The Brussels Summer Festival (BSF) brings days of concerts across central venues mid-month.
Travel score
Brussels July Weather Stats
Avg High
23°C
Avg Low
14°C
Rainy Days
13
75mm total
Sunshine
7h
Daily avg
Humidity
71%
comfortable
UV Index
6
High
Wind
12 km/h
Gusts 24
Crowds
Very busy
At attractions
July Sunrise & Sunset
Air Quality
PM2.5
16 μg/m³
PM10
26 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
24°C
Nighttime
14°C
Humidity and wind affect how the actual temperature feels.
Wind
12 km/h
Max gust 24 km/h
Activities Recommended for July
July Travel Pros & Cons
Pros
- Warmest, longest summer days
- Belgian National Day (July 21) festivities
- Brussels Summer Festival concerts
- Lively terraces and parks
Cons
- Peak-season crowds and prices
- Bruges and the Grand-Place very busy
- Showers and thunderstorms possible
- Book well ahead
July Events & Festivals
- Belgian National Day (July 21) — military parade, festivities, fireworks
- Brussels Summer Festival (BSF, mid-July)
- Ommegang spills into early July
- Peak tourist season
Brussels in July — Full Picture
July is Brussels' warmest month and peak tourist season — long days, festivals, and the city at its liveliest. It averages 23°C/14°C with 75mm of rain, much of it in summer showers and thunderstorms.
Belgian National Day (July 21) is the highlight: a military and civil parade, free concerts, a popular fair in the Parc de Bruxelles, and evening fireworks. The Brussels Summer Festival (BSF) brings days of concerts across central venues mid-month.
Temperatures are comfortable rather than scorching — true heat waves are uncommon, though a hot spell can push past 30°C occasionally. Most days are pleasant and warm, ideal for terraces, parks, and day trips.
It's the busiest month, so the Grand-Place and Bruges are crowded and prices are at their summer peak — book accommodation and the Atomium ahead. Many EU institutions slow down for summer recess, which can make the EU quarter quieter.
Note: showers and thunderstorms still interrupt the warmth, so keep a light rain layer even on sunny mornings.
What to Wear & What to Pack
Warmest month — around 23°C/14°C. Light summer clothing with a layer for cooler evenings and showers. Pleasantly warm rather than hot, with the occasional warm spell.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
14.3°C
5.7°C
15.3/mo
Summer (Jun·Jul·Aug)
Current22.3°C
13.3°C
13.3/mo
Autumn (Sep·Oct·Nov)
15°C
7.7°C
15/mo
Winter (Dec·Jan·Feb)
6.7°C
1.3°C
17.7/mo
Brussels Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 6° | 1° | 19d·75mm | 1.8h | 86% | 1 | Quiet | Low season | |
| 7° | 1° | 16d·65mm | 2.6h | 83% | 1 | Quiet | Low season | |
| 11° | 3° | 16d·65mm | 3.8h | 78% | 2 | Moderate | Shoulder | |
| 14° | 5° | 15d·55mm | 5.2h | 73% | 4 | Busy | Peak | |
| May (Best) | 18° | 9° | 15d·65mm | 6.2h | 71% | 5 | Busy | Peak |
| June (Best) | 21° | 12° | 14d·70mm | 6.6h | 70% | 6 | Busy | Peak |
| July (Best) | 23° | 14° | 13d·75mm | 7h | 71% | 6 | Very busy | Peak |
| August (Best) | 23° | 14° | 13d·75mm | 6.4h | 73% | 5 | Very busy | Peak |
| 20° | 11° | 13d·60mm | 5h | 76% | 4 | Busy | Shoulder | |
| 15° | 8° | 15d·75mm | 3.6h | 82% | 2 | Moderate | Shoulder | |
| 10° | 4° | 17d·75mm | 2h | 86% | 1 | Moderate | Shoulder | |
| 7° | 2° | 18d·80mm | 1.6h | 87% | 1 | Busy | Peak |
View Other Months
Brussels July Hotel Picks
Frequently Asked Questions
Is July a good time to visit Brussels?
Brussels in July is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Brussels in July?
Brussels July averages a high of 23°C and a low of 14°C.
Does it rain much in Brussels in July?
Brussels July averages 75mm of rainfall over about 13 rainy days.
What should I wear in Brussels in July?
Warmest month — around 23°C/14°C. Light summer clothing with a layer for cooler evenings and showers. Pleasantly warm rather than hot, with the occasional warm spell.
What time are sunrise and sunset in Brussels in July?
Brussels July sunrise is 05:40 and sunset is 21:55, with 16h 15min of daylight.
What's the air quality like in Brussels in July?
Brussels July air quality (AQI) averages 42, rated Good. PM2.5 averages 16μg/m³.
What activities are recommended in Brussels in July?
In July, Brussels is great for Belgian National Day (July 21), Brussels Summer Festival (mid-July), Terraces, parks, and the Bois de la Cambre.
Is July peak season in Brussels?
Brussels July crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Brussels
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.