Temperature
Cold by day, cold at night.
Aalst is usually most comfortable in June and September. Typical daytime highs range from 43–73°F across the year. Most months see little rain.

Cold by day, cold at night.
Several rainy days. About 12 wet days this month.
Sunshine is limited, with cloud often dominating.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 42° and nights feel near 37°.
Mostly cloudy skies this month.
Breezy November days can feel brisker in open spots.
November late afternoons are around 48°F, easing to about 46°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 43 | 35 | 2.4 | 12 | 4.0 | 86 |
| Feb | 45 | 35 | 2.1 | 11 | 5.4 | 83 |
| Mar | 51 | 39 | 2.1 | 11 | 7.3 | 78 |
| Apr | 58 | 43 | 1.9 | 12 | 9.9 | 72 |
| May | 64 | 49 | 2.4 | 12 | 10.7 | 73 |
| Jun | 69 | 54 | 2.5 | 11 | 11.2 | 73 |
| Jul | 73 | 58 | 2.8 | 12 | 11.3 | 74 |
| Aug | 73 | 57 | 2.9 | 12 | 10.6 | 76 |
| Sep | 67 | 53 | 2.2 | 11 | 8.4 | 79 |
| Oct | 59 | 47 | 2.3 | 11 | 6.4 | 83 |
| Nov | 50 | 41 | 2.4 | 12 | 4.5 | 87 |
| Dec | 44 | 37 | 2.8 | 13 | 3.4 | 88 |
Similar climates
Want a side-by-side climate view? Compare Aalst with Amsterdam.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology