May weather forecastHeiligenstein, France
May
Weather in May
The last month of the spring, May, is a refreshing month in Heiligenstein, France, with an average temperature fluctuating between 7.8°C (46°F) and 18.4°C (65.1°F).Temperature
May's advent notes a subtle adjustment in average high-temperature to a still refreshing 18.4°C (65.1°F) from April. Heiligenstein's nights in May cool down to an average low-temperature of 7.8°C (46°F).Humidity
In May, the average relative humidity is 77%.Rainfall
In Heiligenstein, during May, the rain falls for 17.1 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, there are 162.7 rainfall days, and 492mm (19.37") of precipitation is accumulated.Snowfall
April through September are months without snowfall in Heiligenstein.Daylight
The average length of the day in May in Heiligenstein is 15h and 14min.On the first day of May in Heiligenstein, sunrise is at 06:09 and sunset at 20:44. On the last day of the month, sunrise is at 05:33 and sunset at 21:22 CEST.
Sunshine
In May, the average sunshine in Heiligenstein is 9.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Heiligenstein, France
- Average high temperature in May: 18.4°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in May: 7.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in May
Heiligenstein, France
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in May
Heiligenstein, France
- Average wind speed in May: 8.8km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in May
Heiligenstein, France
- Average humidity in May: 77%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in May
Heiligenstein, France
- Average rainfall in May: 51mm
The wettest months (with the highest rainfall) are June and July (56mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in May
Heiligenstein, France
- Average rainfall days in May: 17.1 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in May
Heiligenstein, France
- Average snowfall in May: 0mm
The month with the highest snowfall is December (40mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in May
Heiligenstein, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Heiligenstein, France
- Average daylight in May: 15h and 12min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Heiligenstein, France
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in May
Heiligenstein, France
- Average UV index in May: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Heiligenstein, France
- Average cloud cover in May: 41
The months with the most cloud cover are January and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Heiligenstein, France
- 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).
