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Mainz
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Mainz Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Mainz year round climate
- Spring (March–May): Average 45–60°F, mild climate with occasional showers, increasing sunshine hours. Popular activities: Walking along the Rhine River, visiting Mainz Cathedral. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
- Summer (June–August): Average 67–70°F, warm and humid climate with occasional thunderstorms. Popular activities: Outdoor picnics, cycling, visiting museums. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
- Autumn (September–November): Average 61–44°F, cool climate with higher rainfall and variable weather. Popular activities: Tasting local wines, visiting castles, enjoying autumn scenery. Recommended clothing: Warm jacket, comfortable trousers, rain gear.
- Winter (December–February): Average 37–42°F, cold climate with occasional snowfall and shorter daylight hours. Popular activities: Indoor museum visits, enjoying hot drinks, Christmas markets (December). Recommended clothing: Warm clothing, thick coat, scarf, gloves, hat.
Mainz climatological average
Annual average temperature: approx. 53.6°F / Annual rainfall: approx. 663 mm / Summer humidity: 65%–75% / Rainiest month: October
Mainz monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
37.9°F
56.5
February
42.6°F
39.3
March
45.9°F
55.6
April
49.5°F
44.4
May
60.3°F
57.1
June
67.5°F
38.6
July
69.6°F
61.8
August
70.3°F
45.8
September
61.9°F
76.8
October
55°F
77.5
November
44.4°F
68.3
December
38.5°F
41.9
Mainz weather for the next seven days
5/15
Friday
Moderate rain
58.3°F/42.2°F
5/16
Saturday
Patchy rain nearby
57.8°F/41.3°F
5/17
Sunday
Patchy rain nearby
60.3°F/40.7°F
5/18
Monday
Patchy rain nearby
56.7°F/47.3°F
5/19
Tuesday
Patchy rain nearby
60.5°F/42.8°F
5/20
Wednesday
Patchy rain nearby
66.9°F/51.6°F
5/21
Thursday
Partly Cloudy
71.9°F/50.6°F
