Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The onset of May brings an average high-temperature of a still refreshing 17.1°C (62.8°F), nearly matching the April temperature. Aachen experiences an average nighttime temperature of 8.1°C (46.6°F) in the month of May.Humidity
The average relative humidity in May in Aachen is 79%.Rainfall
In Aachen, in May, it is raining for 18.4 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 185.5 rainfall days, and 509mm (20.04") of precipitation is accumulated.Snowfall
In Aachen, Germany, snow does not fall in April through October.Daylight
In Aachen, Germany, the average length of the day in May is 15h and 32min.On the first day of the month, sunrise is at 06:08 and sunset at 20:57. On the last day of May, in Aachen, Germany, sunrise is at 05:27 and sunset at 21:38 CEST.
Sunshine
In Aachen, Germany, the average sunshine in May is 8.4h.UV index
In Aachen, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Aachen?
What is the average humidity in May in Aachen?
How many days does it rain in May in Aachen?
When it does not snow in Aachen?
What is the average length of the day in May in Aachen?
When are sunrise and sunset in May in Aachen?
How long on average sun shines in May in Aachen?
What is the UV index reading in May in Aachen?
Average temperature in May
Aachen, Germany
- Average high temperature in May: 17.1°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in May: 8.1°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in May
Aachen, Germany
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in May
Aachen, Germany
- Average wind speed in May: 11.7km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in May
Aachen, Germany
- Average humidity in May: 79%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in May
Aachen, Germany
- Average rainfall in May: 46mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in May
Aachen, Germany
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (12.1 days).
Average snowfall in May
Aachen, Germany
- Average snowfall in May: 0mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Aachen, 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, September and October (0 days).
Average daylight in May /
Average sunshine in May
Aachen, Germany
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in May
Aachen, Germany
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is June (9 days).
Average UV index in May
Aachen, Germany
- Average UV index in May: 4
The months with the highest UV index are 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
Aachen, Germany
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in May
Aachen, Germany
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
Aachen, Germany
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