Climate normals · 1970–2000
Mainz Climate
Mainz is a city in Germany (08) with a population of about 222,889. Its average annual temperature is 10.4°C (51°F), with roughly 585 mm of rain per year.
10.4°C
Avg Temp
585
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
Mainz Climate
Mainz has an average annual temperature of 10.4°C (51°F) and receives about 585 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.4°C
Avg Temp
585
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 2° / 35° | 40 mm |
| February | 3° / 37° | 37 mm |
| March | 6° / 43° | 42 mm |
| April | 10° / 49° | 41 mm |
| May | 15° / 58° | 59 mm |
| June | 18° / 64° | 60 mm |
| July | 20° / 67° | 65 mm |
| August | 19° / 67° | 46 mm |
| September | 15° / 59° | 47 mm |
| October | 10° / 50° | 51 mm |
| November | 5° / 41° | 47 mm |
| December | 3° / 37° | 50 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Mainz
The most comfortable months to visit Mainz are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 25°C high). The coldest is January (near -1°C low). July is usually the wettest month.
Where to stay near Mainz
Planning a trip to Mainz? Compare hotels and short-term rentals — live availability and prices.
Top-rated places to stay near Mainz
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Mainz?
Get climate tips and the best lodging deals for Mainz by email. No spam, unsubscribe anytime.
Other cities in Germany
Frequently Asked Questions
The most comfortable months to visit Mainz are typically August, July and June, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Mainz, Germany has an average annual temperature of 10.4°C and about 585 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in Mainz average about 25°C (77°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.