Temperature
Cold by day, cold at night.
Asten is usually most comfortable in May and September. Typical daytime highs range from 42–73°F across the year. Most months see little rain.

Cold by day, cold at night.
Several rainy days. About 13 wet days, more than in most months.
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 36°.
Mostly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 48°F, easing to about 45°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 42 | 34 | 2.6 | 13 | 3.8 | 86 |
| Feb | 45 | 35 | 2.4 | 12 | 5.2 | 82 |
| Mar | 51 | 38 | 2.2 | 12 | 7.0 | 77 |
| Apr | 58 | 42 | 1.9 | 11 | 9.6 | 70 |
| May | 65 | 48 | 2.5 | 12 | 10.5 | 70 |
| Jun | 71 | 54 | 2.7 | 12 | 10.8 | 71 |
| Jul | 73 | 57 | 3.2 | 14 | 11.2 | 73 |
| Aug | 73 | 57 | 3.1 | 13 | 10.3 | 75 |
| Sep | 67 | 52 | 2.3 | 11 | 8.2 | 79 |
| Oct | 59 | 47 | 2.7 | 12 | 6.1 | 84 |
| Nov | 49 | 40 | 2.6 | 13 | 4.2 | 87 |
| Dec | 44 | 36 | 2.7 | 13 | 3.2 | 88 |
Similar climates
Want a side-by-side climate view? Compare Asten with Aachen.
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: Jul 31, 2026
Data & methodology