Brussels
Belgium · Europe
Year-round range: 35°F to 73°F
May
Excellent conditions this month
Expect bright breaks, but the sky is often cloudy rather than reliably clear.
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
May is cool — pack a layer for evenings and overcast days.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = MayRainfall
Monthly rain and rain days.
May has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
Expect bright breaks, but the sky is often cloudy rather than reliably clear.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
May is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for May.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In May, afternoons reach about 64° and nights settle near 50°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity |
|---|---|---|---|---|---|---|
| Jan | 43°F | 35°F | 10 | 3.1in | 2.1h | 85.28571428571428% |
| Feb | 46°F | 35°F | 8 | 2.6in | 3h | 81.14285714285714% |
| Mar | 52°F | 38°F | 8 | 2.3in | 4.1h | 75.57142857142857% |
| Apr | 58°F | 42°F | 12 | 1.9in | 5.4h | 70.85714285714286% |
| May | 64°F | 48°F | 8 | 2.4in | 5.7h | 71% |
| Jun | 70°F | 54°F | 8 | 2.9in | 6.3h | 70.57142857142857% |
| Jul | 73°F | 58°F | 10 | 3.0in | 6.3h | 70.85714285714286% |
| Aug | 73°F | 58°F | 10 | 3.3in | 5.8h | 71.71428571428571% |
| Sep | 67°F | 53°F | 8 | 2.6in | 5.1h | 76.14285714285714% |
| Oct | 60°F | 48°F | 9 | 2.8in | 3.3h | 80.42857142857143% |
| Nov | 50°F | 41°F | 10 | 3.0in | 2.2h | 85.42857142857142% |
| Dec | 45°F | 37°F | 10 | 3.3in | 1.9h | 86.28571428571428% |