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
April's transformation into May witnesses an average high-temperature of a still refreshing 18.8°C (65.8°F), noting a minor change from the preceding month. During the nights in May, Rontalon experiences a consistent average temperature of 8.4°C (47.1°F).Humidity
In May, the average relative humidity is 79%.Rainfall
In Rontalon, during May, the rain falls for 19.8 days and regularly aggregates up to 75mm (2.95") of precipitation. In Rontalon, during the entire year, the rain falls for 191.8 days and collects up to 744mm (29.29") of precipitation.Snowfall
In Rontalon, snow does not fall in April through September.Daylight
The average length of the day in May is 14h and 56min.On the first day of the month, sunrise is at 06:28 and sunset at 20:48. On the last day of May, in Rontalon, sunrise is at 05:55 and sunset at 21:22 CEST.
Sunshine
In Rontalon, the average sunshine in May is 8.7h.UV index
In Rontalon, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during May translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To protect against the Sun's most potent rays, avoid direct exposure around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rontalon in May?
What is the average humidity in May in Rontalon?
How much does it rain in Rontalon in May?
When it does not snow in Rontalon?
What is the average length of the day in May in Rontalon?
When is the sunrise / sunset in May in Rontalon?
How long on average sun shines in May in Rontalon?
How high is the UV index in May in Rontalon?
Average temperature in May
Rontalon, France
- Average high temperature in May: 18.8°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in May: 8.4°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in May
Rontalon, France
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in May
Rontalon, France
- Average wind speed in May: 11.1km/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 (8.5km/h).
Average humidity in May
Rontalon, France
- Average humidity in May: 79%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is August (70%).
Average rainfall in May
Rontalon, France
- Average rainfall in May: 75mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is September (41mm).
Average rainfall days in May
Rontalon, France
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in May
Rontalon, France
- Average snowfall in May: 0mm
The months with the highest snowfall are January and February (40mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in May
Rontalon, France
- 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 April, May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rontalon, France
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Rontalon, France
- Average sunshine days in May: 7.4 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (7.4 days).
Average UV index in May
Rontalon, France
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Rontalon, France
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Rontalon, France
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, October, November and December (8km).
Rontalon, France
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