May weather forecastHéricy, France
May
Weather in May
May, the last month of the spring in Héricy, is a comfortable month, with an average temperature ranging between max 18.2°C (64.8°F) and min 8.7°C (47.7°F).Temperature
With May's arrival, Héricy notes an average high-temperature of a comfortable 18.2°C (64.8°F), closely following the trend of the preceding month. Héricy experiences a mean low-temperature of 8.7°C (47.7°F) during May.Humidity
In May, the average relative humidity is 80%.Rainfall
In May, the rain falls for 18.7 days. Throughout May, 59mm (2.32") of precipitation is accumulated. In Héricy, during the entire year, the rain falls for 194.1 days and collects up to 555mm (21.85") of precipitation.Snowfall
April through October are months without snowfall in Héricy.Daylight
In May, the average length of the day in Héricy is 15h and 14min.On the first day of May in Héricy, 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
The average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May in Héricy is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In May, the UV index of 4 transforms into the following advice:
Heed the precautions - It is counselled to guard against solar damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Héricy, 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
Héricy, 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
Héricy, 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
Héricy, 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
Héricy, 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
Héricy, 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
Héricy, 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
Héricy, 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
Héricy, 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: 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
Héricy, 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
Héricy, 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
Héricy, 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
Héricy, 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).
