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 start of May sees the average high-temperature at an enjoyable 16.5°C (61.7°F), showing little difference from April's 14°C (57.2°F). The average low-temperature, in May, in Mertzen, is a frosty 6.6°C (43.9°F).Humidity
In May, the average relative humidity is 84%.Rainfall
In May, the rain falls for 20.7 days. Throughout May, 73mm (2.87") of precipitation is accumulated. In Mertzen, France, during the entire year, the rain falls for 189.8 days and collects up to 741mm (29.17") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Mertzen. During 0.2 snowfall days, in May, Mertzen aggregates 4mm (0.16") of snow. In Mertzen, France, during the entire year, snow falls for 37.1 days and aggregates up to 450mm (17.72") of snow.Daylight
The average length of the day in May in Mertzen is 15h and 8min.On the first day of the month, sunrise is at 06:13 and sunset at 20:43. On the last day of May, sunrise is at 05:38 and sunset at 21:20 CEST.
Sunshine
The average sunshine in May in Mertzen, France, is 8.4h.UV index
The average daily maximum UV index in May in Mertzen is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 4 in May suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the temperature in May in Mertzen?
What is the average humidity in May in Mertzen?
How many days does it rain in May in Mertzen?
What is the last month it snows in Mertzen?
How many hours of daylight does Mertzen have in May?
When are sunrise and sunset in May in Mertzen?
How long on average sun shines in May in Mertzen?
What is the UV index intensity in May in Mertzen?
Average temperature in May
Mertzen, France
- Average high temperature in May: 16.5°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in May: 6.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in May
Mertzen, France
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in May
Mertzen, France
- Average wind speed in May: 9.5km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in May
Mertzen, France
- Average humidity in May: 84%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in May
Mertzen, France
- Average rainfall in May: 73mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days in May
Mertzen, France
- Average rainfall days in May: 20.7 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in May
Mertzen, France
- Average snowfall in May: 4mm
The month with the highest snowfall is January (114mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Mertzen, France
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mertzen, France
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in May
Mertzen, France
- Average sunshine days in May: 7.6 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in May
Mertzen, France
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Mertzen, France
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Mertzen, France
- Average visibility in May: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
Mertzen, France
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