Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
With average temperatures fluctuating between a high of 19.7°C (67.5°F) and a low of 15.9°C (60.6°F), August stands out as the warmest month.Humidity
In Calais, the average relative humidity in August is 79%.Rainfall
In Calais, in August, during 16.3 rainfall days, 54mm (2.13") of precipitation is typically accumulated. Throughout the year, in Calais, there are 178.1 rainfall days, and 461mm (18.15") of precipitation is accumulated.Snowfall
In Calais, snow does not fall in April through October.Sea temperature
August and September, with an average sea temperature of 17.8°C (64°F), are months with the warmest seawater in Calais, France.Note: The majority of individuals find it unpleasurable to swim in 17.8°C (64°F). It becomes progressively harder to manage one's breathing as the water temperature falls below 21°C (69.8°F).
Daylight
In August, the average length of the day is 14h and 30min.On the first day of August, sunrise is at 06:19 and sunset at 21:38. On the last day of the month, sunrise is at 07:05 and sunset at 20:39 CEST.
Sunshine
In August, the average sunshine is 9.2h.UV index
The months with the highest UV index in Calais are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In August, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What part of the year is the hottest in Calais?
What are August temperatures in Calais?
What is the average humidity in August in Calais?
How much does it rain in Calais in August?
When it does not snow in Calais?
What are the months with the warmest sea water in Calais?
How cold is the water in August in Calais?
How many hours of daylight does Calais have in August?
When are sunrise and sunset in August in Calais?
How long on average sun shines in August in Calais?
When is the highest UV index in Calais?
How high is the UV index in August in Calais?
Average temperature in August
Calais, France
- Average high temperature in August: 19.7°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The month with the lowest average high temperature is February (7.1°C).
- Average low temperature in August: 15.9°C
The month with the highest average low temperature is August (15.9°C).
The coldest months (with the lowest average low temperature) are January and February (4.5°C).
Average pressure in August
Calais, France
- Average pressure in August: 1015.5mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in August
Calais, France
- Average wind speed in August: 19.6km/h
The windiest month (with the highest average wind speed) is December (28.2km/h).
The calmest month (with the lowest average wind speed) is July (19km/h).
Average humidity in August
Calais, France
- Average humidity in August: 79%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in August
Calais, France
- Average rainfall in August: 54mm
The wettest month (with the highest rainfall) is October (55mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in August
Calais, France
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is November (19.5 days).
The month with the least rainy days is April (12.2 days).
Average snowfall in August
Calais, France
- Average snowfall in August: 0mm
The month with the highest snowfall is January (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Calais, France
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Calais, France
- Average sea temperature in August: 17.8°C
The best months for swimming (with the highest average sea temperature) are August and September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (7.7°C).
Average daylight in August /
Average sunshine in August
Calais, France
- Average daylight in August: 14h and 3min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in August: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 6min).
Average sunshine days in August
Calais, France
- Average sunshine days in August: 11.4 days
The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is November (8.8 days).
Average UV index in August
Calais, 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 and February (UV index 2).
Average cloud cover in August
Calais, France
- Average cloud cover in August: 39
The months with the most cloud cover are November and December (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in August
Calais, France
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Calais, France
Weather forecast for your location
2. Allow the app to use your location
