Ostend weather by month
Belgium

The best time to visit Ostend is June to August — 86/100 in July, 22°C and 11 rainy days. The best season is summer, June to August (84/100 on average).
The worst month is December at 34/100 — cold, rainy, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Belgium →
Ostend, month by month
Comfort score out of 100 for the kind of trip Ostend is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 36 | F | 7°C | 15 d | 4 h | Busy | 2 |
| FebFebruary | 46 | F | 9°C | 12 d | 5 h | Busy | 2 |
| MarMarch | 56 | D | 11°C | 13 d | 8 h | Shoulder | 2 |
| AprApril | 71 | B | 13°C | 10 d | 11 h | Busy | — |
| MayMay | 75 | B | 16°C | 10 d | 12 h | Busy | 1 |
| JunJune | 82 | A | 20°C | 10 d | 12 h | Peak | 2 |
| JulJuly | 86 | A | 22°C | 11 d | 12 h | Peak | 2 |
| AugAugust | 84 | A | 22°C | 11 d | 11 h | Peak | 2 |
| SepSeptember | 78 | B | 20°C | 12 d | 9 h | Busy | 1 |
| OctOctober | 59 | D | 16°C | 16 d | 7 h | Shoulder | 1 |
| NovNovember | 43 | F | 11°C | 16 d | 4 h | Busy | 2 |
| DecDecember | 34 | F | 8°C | 16 d | 3 h | Busy | 2 |
What's on in Ostend through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Ostend in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsBeach season on the coast, Zomervakantie (summer) holidays in Belgium, school holidays in 7 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet