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Lahn

Travel Info

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Lahn Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Lahn year round climate

  • Spring (March–May): Average 43–57°F, gradually warming climate, but still relatively humid with occasional showers. Common activities: Hiking, strolling along the Lahn River, visiting historical sites. Recommended clothing: Light jacket, comfortable trousers or skirt, comfortable walking shoes.
  • Summer (June–August): Average 63–66°F, warm and relatively dry climate, ideal for outdoor activities. Common activities: Water sports, cycling, camping. Recommended clothing: Short-sleeved shirts, shorts, sandals.
  • Autumn (September–November): Average 58–42°F, cool climate, higher rainfall, large temperature difference between day and night. Common activities: Enjoying autumn scenery, savoring local cuisine, visiting museums. Recommended clothing: Light jacket, comfortable trousers or skirt, warm clothing.
  • Winter (December–February): Average 37–40°F, cold and humid climate, higher rainfall, and possible snowfall. Common activities: Indoor activities, visiting Christmas markets (if in December). Recommended clothing: Warm coat, scarf, gloves, hat, waterproof shoes.

Lahn climatological average

Annual average temperature: approx. 50.9°F / Annual rainfall: approx. 1069 mm / Summer humidity: 65%–75% / Rainiest month: January

Lahn monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
36.3°F
121.1
February
40.6°F
102.2
March
43.2°F
79.9
April
47.5°F
73.5
May
57.7°F
90.3
June
63.9°F
61.9
July
65.1°F
85.5
August
66.7°F
48.5
September
58.6°F
117.2
October
51.8°F
71.2
November
42.1°F
100.6
December
37°F
117.6

Lahn weather for the next seven days

12/22
Monday
Sunny
41.9°F/32.2°F
12/23
Tuesday
Cloudy
40.7°F/30.4°F
12/24
Wednesday
Overcast
33.2°F/23.9°F
12/25
Thursday
Sunny
31.1°F/23.8°F
12/26
Friday
Overcast
34.3°F/23.9°F
12/27
Saturday
Sunny
37.8°F/29.3°F
12/28
Sunday
Partly Cloudy
35.5°F/26°F

Lahn Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best times to visit are usually in spring and autumn, when the weather is mild and suitable for a variety of outdoor activities.

Which attractions are must-visit?

Must-visit attractions include the Museum of Fine Arts, the Old Town, the spectacular Notre-Dame Cathedral and stunning views over the city and countryside.