July weather forecastRoullens, France
July
Weather in July
July, like June, in Roullens, France, is a moderately hot summer month, with an average temperature varying between 27.3°C (81.1°F) and 15.3°C (59.5°F).Temperature
Roullens in July denotes a subtle temperature transition, adjusting from an average high of 24.2°C (75.6°F) in June to a still moderately hot 27.3°C (81.1°F). Despite higher daytime temperatures, nighttime averages fall to a moderate 15.3°C (59.5°F) in July.Heat index
The average heat index in July is calculated to be 29°C (84.2°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The average relative humidity in July is 66%.Rainfall
In Roullens, France, in July, during 11.1 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, in Roullens, there are 137.8 rainfall days, and 335mm (13.19") of precipitation is accumulated.Snowfall
In Roullens, snow does not fall in April through October.Daylight
The average length of the day in July is 15h and 1min.On the first day of July, sunrise is at 06:15 and sunset at 21:34. On the last day of the month, sunrise is at 06:40 and sunset at 21:13 CEST.
Sunshine
With an average of 11h of sunshine, July has the most sunshine of the year in Roullens.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index in Roullens. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Roullens, France
- Average high temperature in July: 27.3°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in July: 15.3°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure in July
Roullens, France
- Average pressure in July: 1016.7mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in July
Roullens, France
- Average wind speed in July: 12.5km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is September (11.2km/h).
Average humidity in July
Roullens, France
- Average humidity in July: 66%
The months with the highest relative humidity are January, November and December (81%).
The month with the lowest relative humidity is August (65%).
Average rainfall in July
Roullens, France
- Average rainfall in July: 21mm
The wettest month (with the highest rainfall) is October (43mm).
The driest months (with the least rainfall) are August and September (16mm).
Average rainfall days in July
Roullens, France
- Average rainfall days in July: 11.1 days
The month with the highest number of rainy days is April (13.5 days).
The month with the least rainy days is August (8.8 days).
Average snowfall in July
Roullens, France
- Average snowfall in July: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in July
Roullens, France
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Roullens, France
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in July: 11h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in July
Roullens, France
- Average sunshine days in July: 15.7 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in July
Roullens, France
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in July
Roullens, France
- Average cloud cover in July: 24
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in July
Roullens, France
- Average visibility in July: 10km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
