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Mainz Weather in May
With daytime temperatures of 20°C (68°F) and nighttime lows of 9°C (48°F), May in Mainz brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 68 mm (2.7 in) falls on average.
Rainfall in Mainz in May
You can typically expect 15 days of rain this month, averaging around 68 mm (2.7 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Mainz in May
Mainz has excellent weather in May, with days reaching 20°C (68°F) and nights cooling to 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Mainz in May
Expect a lot of sunshine this month, with about 213 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Mainz Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
51%
Precipitation
68 mm (2.7 in)
Rainy days
15 days
Humidity
66% *
Sunshine
213 hours *
Percentage Sunshine
45% *
* Data from: Frankfurt, Germany (22 KM, 14 Miles).
Mainz Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mainz - and find the best time to visit.
Best Places in Germany in May
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Mainz in May
For Mainz in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Mainz in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque8/10 -
Camping4/10 -
Outdoor sports10/10
Mainz 3-Day Forecast
More climate data for Mainz
Temperature Rainfall Sunshine Humidity
See the full Mainz climate overview or explore weather in Germany.
Popular in May
Where to go in May - average daytime high across popular destinations.
Berlin
20°C (68°F) Düsseldorf20°C (68°F) Hanover19°C (66°F) Munich
20°C (68°F) Cologne20°C (68°F) Hamburg19°C (66°F) Winterberg17°C (63°F) Binz
14°C (57°F) Bucket list
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