Best Time to Visit Mainz, Rhineland-Palatinate, Germany
Mainz is at its sunniest and driest in August–September.
The best time to visit Mainz for sunny, dry weather is August–September — 2 months of the year fit our sunny profiles at this specific location. The drier stretch runs through August–September and November and January–April; the wetter half falls in May–July and October and December. At the city itself, monthly average temperatures range from 1.7°C / 35.1°F in January to 19.7°C / 67.5°F in July, with rainfall from 37 mm / 1.5 in (February) to 65 mm / 2.6 in (July). These are point-value climate normals sampled at Mainz, Rhineland-Palatinate, Germany's coordinates — usually more actionable for travellers than the country-wide average. Mainz's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| August | 19.3°C66.7°F | 45 mm1.8″ | Sunny & Mild |
| September | 15.1°C59.2°F | 47 mm1.9″ | Sunny & Mild |
Frequently asked questions
When is the best time to visit Mainz?
The best time to visit Mainz for sunny, dry weather is August, September. At the city itself, the warmest month is July averaging 19.7°C / 67.5°F, and the driest is February with about 37 mm / 1.5 in of rain. These are point-value climate normals sampled at Mainz's coordinates.
When is the rainy season in Mainz?
The rainy season at Mainz, Rhineland-Palatinate runs through May–July and October and December, when monthly rainfall exceeds the annual median of about 48 mm / 1.9 in. The wettest single month is July (65 mm / 2.6 in).
What is the driest month in Mainz?
The driest month in Mainz is February, averaging about 37 mm / 1.5 in of rainfall. Temperature that month averages 2.5°C / 36.5°F.
What months should I avoid visiting Mainz?
The least comfortable months for travel to Mainz — based on point-value climate at the city — are January, February, May, June, July, November, December. These are the wettest or coolest months at this location. Rainfall peaks at 65 mm / 2.6 in in July, and the coldest month averages 1.7°C / 35.1°F.
Is Mainz climate different from Germany overall?
Yes, usually. Our Mainz figures are point-value climate normals sampled at the city itself, while our Germany figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Mainz specifically — usually the more actionable data for a traveller planning to spend time in the city.