May weather forecastMannheim, Germany
May
Weather in May
The city of Mannheim transitions into summer during May, departing from the cool temperatures of April. May presents Mannheim with its highest rainfall of the year, amounting to 46mm (1.81"). Rising temperatures characterize the month, leading to more sunbathed days and comparatively fewer cloudy ones. The increased daylight hours extend well into the evening, providing pleasantly warm nights. The winds, although warm, contribute to mitigating the heat of the sun.Temperature
The start of May brings a subtle rise in the average high-temperature, moving from 16.3°C (61.3°F) in April to a still enjoyable 19.3°C (66.7°F). In May, Mannheim records an average nighttime temperature of 8.8°C (47.8°F).Humidity
In Mannheim, the average relative humidity in May is 73%.Rainfall
The month with the most rainfall in Mannheim is May, when the rain falls for 15.3 days and typically aggregates up to 46mm (1.81") of precipitation.Snowfall
In Mannheim, Germany, snow does not fall in April through September.Daylight
In May, the average length of the day is 15h and 22min.On the first day of the month, sunrise is at 06:02 and sunset at 20:43. On the last day of May, sunrise is at 05:24 and sunset at 21:23 CEST.
Sunshine
In May, the average sunshine in Mannheim is 9.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Mannheim. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mannheim, Germany
- Average high temperature in May: 19.3°C
The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in May: 8.8°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in May
Mannheim, Germany
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in May
Mannheim, Germany
- Average wind speed in May: 9.9km/h
The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in May
Mannheim, Germany
- Average humidity in May: 73%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in May
Mannheim, Germany
- Average rainfall in May: 46mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in May
Mannheim, Germany
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is September (11 days).
Average snowfall in May
Mannheim, Germany
- Average snowfall in May: 0mm
The month with the highest snowfall is December (42mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in May
Mannheim, Germany
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mannheim, Germany
- Average daylight in May: 15h and 24min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 9h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in May
Mannheim, Germany
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is December (10.8 days).
Average UV index in May
Mannheim, Germany
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Mannheim, Germany
- Average cloud cover in May: 41
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Mannheim, Germany
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).








