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
May
Weather in May
Temperature
The unfolding of May shows an average high-temperature of a still refreshing 18.2°C (64.8°F), indicating a slight variance from April's 15.9°C (60.6°F). In Chartrettes, the expected average low-temperature for May is a frosty 8.7°C (47.7°F).Humidity
The average relative humidity in May in Chartrettes is 80%.Rainfall
In May, the rain falls for 18.7 days. Throughout May, 59mm (2.32") of precipitation is accumulated. Throughout the year, in Chartrettes, there are 194.1 rainfall days, and 555mm (21.85") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Chartrettes.Daylight
In May, the average length of the day is 15h and 15min.On the first day of May in Chartrettes, sunrise is at 06:28 and sunset at 21:03. On the last day of the month, sunrise is at 05:51 and sunset at 21:41 CEST.
Sunshine
In Chartrettes, the average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May in Chartrettes is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in May translates into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chartrettes in May?
What is the average humidity in May in Chartrettes?
How many days does it rain in May in Chartrettes?
When it does not snow in Chartrettes?
What is the average length of the day in May in Chartrettes?
What time are sunrise and sunset in May in Chartrettes?
How long on average sun shines in May in Chartrettes?
How high is the UV index in May in Chartrettes?
Average temperature in May
Chartrettes, France
- Average high temperature in May: 18.2°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in May: 8.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in May
Chartrettes, France
- Average pressure in May: 1016.8mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in May
Chartrettes, France
- Average wind speed in May: 11.3km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in May
Chartrettes, France
- Average humidity in May: 80%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in May
Chartrettes, France
- Average rainfall in May: 59mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in May
Chartrettes, France
- Average rainfall days in May: 18.7 days
The months with the highest number of rainy days are May and June (18.7 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in May
Chartrettes, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Chartrettes, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Chartrettes, France
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- 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 January (Average sunshine: 3h and 48min).
Average sunshine days in May
Chartrettes, France
- Average sunshine days in May: 8.9 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in May
Chartrettes, 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, November and December (UV index 2).
Average cloud cover in May
Chartrettes, France
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in May
Chartrettes, France
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
