August weather forecastHeilly, France
August
Weather in August
August, the last month of the summer in Heilly, is another pleasant month, with an average temperature ranging between min 13.3°C (55.9°F) and max 22.8°C (73°F).Temperature
August, with average temperatures reaching a high of 22.8°C (73°F) and a low of 13.3°C (55.9°F), is the warmest month.Humidity
The least humid month in Heilly, France, is August, with an average relative humidity of 76%.Rainfall
In Heilly, during August, the rain falls for 15.5 days and regularly aggregates up to 32mm (1.26") of precipitation. In Heilly, during the entire year, the rain falls for 163.7 days and collects up to 340mm (13.39") of precipitation.Snowfall
In Heilly, snow does not fall in April through October.Daylight
In Heilly, France, the average length of the day in August is 14h and 25min.On the first day of August in Heilly, sunrise is at 06:20 and sunset at 21:32. On the last day of the month, sunrise is at 07:04 and sunset at 20:35 CEST.
Sunshine
In August, the average sunshine in Heilly is 8.9h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In August, an average UV index of 5 transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Heilly, France
- Average high temperature in August: 22.8°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in August: 13.3°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in August
Heilly, France
- Average pressure in August: 1016.1mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in August
Heilly, France
- Average wind speed in August: 11.9km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in August
Heilly, France
- Average humidity in August: 76%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (76%).
Average rainfall in August
Heilly, France
- Average rainfall in August: 32mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in August
Heilly, France
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in August
Heilly, France
- Average snowfall in August: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Heilly, France
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Heilly, France
- Average daylight in August: 14h and 24min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in August: 8h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Heilly, France
- Average sunshine days in August: 11.5 days
The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in August
Heilly, France
- Average UV index in August: 5
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 August
Heilly, France
- Average cloud cover in August: 41
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in August
Heilly, France
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
