Best Time to Visit Siegen
Best time: Aug, Jul, Jun, May.
Jul is warmest (22.5°C high); Dec is rainiest (106 mm).
Siegen weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 3.2 | -2 | 96 | 1.2 |
| Feb | 4.6 | -2.4 | 72 | 2.3 |
| Mar | 8.4 | 0.3 | 86 | 3.8 |
| Apr | 12.5 | 2.4 | 63 | 6.1 |
| May | 18.1 | 6.9 | 70 | 7.8 |
| Jun | 20.6 | 10.1 | 81 | 8 |
| Jul | 22.5 | 11.8 | 82 | 8.1 |
| Aug | 22.3 | 11.1 | 69 | 7 |
| Sep | 17.7 | 8.1 | 75 | 4.8 |
| Oct | 12.5 | 4.7 | 81 | 2.8 |
| Nov | 6.9 | 1.4 | 90 | 1.4 |
| Dec | 4.3 | -0.5 | 106 | 0.9 |
Average high temperature
Best months by activity
Overall: AugJulJunMay
Beaches: AugJulJunMay
Hiking: MayAugJunJul
Sightseeing: AugJunJulMay
Siegen quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Nov, Dec): warm layers and a coat.
Wet months (Jan, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Siegen?
Aug, Jul, Jun, May.
What is the rainiest month?
Dec, about 106 mm.
What is the warmest month?
Jul, with average highs of 22.5°C.
Where to stay
Book Siegen hotels · Siegen tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.