Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
July
Weather in July
Temperature
In Challans, the month of July is known for its highest average temperatures, reaching a high of 22.2°C (72°F) and a low of 16.6°C (61.9°F).Humidity
The average relative humidity in July in Challans is 75%.Rainfall
In Challans, during July, the rain falls for 14.3 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 176.3 rainfall days, and 575mm (22.64") of precipitation is accumulated.Snowfall
January through November are months without snowfall in Challans.Daylight
In July, the average length of the day is 15h and 26min.On the first day of July in Challans, France, sunrise is at 06:17 and sunset at 22:05. On the last day of the month, sunrise is at 06:46 and sunset at 21:40 CEST.
Sunshine
July has the most sunshine of the year, with an average of 10.2h of sunshine.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index in Challans. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during July translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Challans?
What are the temperatures in Challans in July?
What is the average humidity in July in Challans?
How much does it rain in Challans in July?
When it does not snow in Challans?
What is the average length of the day in July in Challans?
What time are sunrise and sunset in July in Challans?
What month has the most sunshine in Challans?
How long on average sun shines in July in Challans?
What is the month with the highest UV index in Challans?
What is the UV index intensity in July in Challans?
Average temperature in July
Challans, France
- Average high temperature in July: 22.2°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The months with the lowest average high temperature are January and February (9.9°C).
- Average low temperature in July: 16.6°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in July
Challans, France
- Average pressure in July: 1017.4mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in July
Challans, France
- Average wind speed in July: 16.4km/h
The windiest month (with the highest average wind speed) is December (24.2km/h).
The calmest month (with the lowest average wind speed) is August (15.8km/h).
Average humidity in July
Challans, France
- Average humidity in July: 75%
The months with the highest relative humidity are January and December (81%).
The month with the lowest relative humidity is September (73%).
Average rainfall in July
Challans, France
- Average rainfall in July: 30mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in July
Challans, France
- Average rainfall days in July: 14.3 days
The month with the highest number of rainy days is January (19.3 days).
The month with the least rainy days is September (10.4 days).
Average snowfall in July
Challans, France
- Average snowfall in July: 0mm
The month with the highest snowfall is December (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in July
Challans, France
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Challans, France
- Average daylight in July: 15h and 2min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in July: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in July
Challans, France
- Average sunshine days in July: 13.3 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is January (9.2 days).
Average UV index in July
Challans, France
- Average UV index in July: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in July
Challans, France
- Average cloud cover in July: 33
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in July
Challans, France
- Average visibility in July: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
