Temperature
Pleasant by day, brisk at night.
Mild days and some sun.

Pleasant by day, brisk at night.
Rain is frequent, but usually comes in brief, on-and-off spells. About 15 wet days, more than in most months.
Cloudier spells limit sunshine.
In August, afternoons feel about 66° and nights feel near 55°.
Mostly cloudy skies this month.
Calm winds are typical in August.
August late afternoons are around 70°F, easing to about 67°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 40 | 34 | 2.5 | 13 | 3.6 | 88 |
| Feb | 42 | 34 | 2.1 | 11 | 5.3 | 85 |
| Mar | 47 | 36 | 1.8 | 11 | 7.6 | 81 |
| Apr | 55 | 41 | 1.9 | 11 | 10.6 | 76 |
| May | 61 | 47 | 2.4 | 12 | 11.8 | 76 |
| Jun | 66 | 53 | 3.0 | 12 | 12.2 | 77 |
| Jul | 70 | 57 | 3.4 | 16 | 12.1 | 78 |
| Aug | 71 | 57 | 3.4 | 15 | 11.2 | 79 |
| Sep | 65 | 52 | 2.7 | 12 | 8.8 | 82 |
| Oct | 57 | 47 | 2.9 | 14 | 6.4 | 85 |
| Nov | 48 | 40 | 2.4 | 13 | 4.2 | 88 |
| Dec | 42 | 36 | 2.6 | 14 | 3.3 | 89 |
Similar climates
Want a side-by-side climate view? Compare Baltrum 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