May weather forecastChartrettes, France

May

Weather in May

May, the last month of the spring in Chartrettes, is an enjoyable month, with an average temperature varying between 18.2°C (64.8°F) and 8.7°C (47.7°F).

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.

Frequently asked questions

Chartrettes in May has an average high-temperature of 18.2°C (64.8°F) and an average low-temperature of 8.7°C (47.7°F).

In May, the average relative humidity in Chartrettes is 80%.

In Chartrettes, in May, during 18.7 rainfall days, 59mm (2.32") of precipitation is typically accumulated.

April through October are months without snowfall in Chartrettes, France.

In Chartrettes, the average day length in May 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.

The average sunshine duration in May in Chartrettes is 8.3h.

The average daily maximum UV index in May in Chartrettes, France, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 12min

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 18min

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).