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 transition from April to May brings an average high-temperature of a comfortable 16.3°C (61.3°F), barely different from April's 13.8°C (56.8°F). An average minimum temperature of 10.2°C (50.4°F) marks the month of May in Helléan.Humidity
In Helléan, the average relative humidity in May is 80%.Rainfall
In Helléan, during May, the rain falls for 14.1 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, in Helléan, there are 169.8 rainfall days, and 593mm (23.35") of precipitation is accumulated.Snowfall
In Helléan, snow does not fall in January, March, May through November.Daylight
In May, the average length of the day in Helléan is 15h and 11min.On the first day of May in Helléan, sunrise is at 06:50 and sunset at 21:23. On the last day of the month, sunrise is at 06:14 and sunset at 22:00 CEST.
Sunshine
In May, the average sunshine is 9.1h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What is the usual temperature for Helléan in May?
What is the average humidity in May in Helléan?
How many days does it rain in May in Helléan?
When it does not snow in Helléan?
Does it snow in Helléan in May?
What is the average length of the day in May in Helléan?
When is the sunrise / sunset in May in Helléan?
How long on average sun shines in May in Helléan?
What is the UV index intensity in May in Helléan?
Average temperature in May
Helléan, France
- Average high temperature in May: 16.3°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in May: 10.2°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in May
Helléan, France
- Average pressure in May: 1017.4mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in May
Helléan, France
- Average wind speed in May: 16.7km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in May
Helléan, France
- Average humidity in May: 80%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in May
Helléan, France
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in May
Helléan, France
- Average rainfall days in May: 14.1 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).
Average snowfall in May
Helléan, France
- Average snowfall in May: 0mm
The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Helléan, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.5 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
Helléan, France
- Average daylight in May: 15h and 1min
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 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Helléan, France
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in May
Helléan, France
- 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, March, April, November and December (UV index 3).
Average cloud cover in May
Helléan, France
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in May
Helléan, France
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Helléan, France
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