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
Weather in July
Temperature
The arrival of July in Calais marks a slight shift to an average high-temperature of a comfortable 16.9°C (62.4°F) from June's 15.2°C (59.4°F). July introduces a small decrease to a nighttime average of 15.3°C (59.5°F).Humidity
June and July, with an average relative humidity of 84%, are the most humid months in Calais.Rainfall
July is the month with the least rainfall. Rain falls for 12.8 days and accumulates 26mm (1.02") of precipitation.Snowfall
In Calais, snow does not fall in February through December.Daylight
In Calais, the average length of the day in July is 15h and 47min.On the first day of July, sunrise is at 05:08 and sunset at 21:19. On the last day of the month, sunrise is at 05:41 and sunset at 20:52 BST.
Sunshine
With an average of 9.7h of sunshine, July has the most sunshine of the year in Calais.UV index
July through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during July leads to these instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Calais in July?
What are the most humid months in Calais?
What is the average humidity in July in Calais?
What is the driest month in Calais?
How much does it rain in Calais in July?
When it does not snow in Calais?
What is the average length of the day in July in Calais?
When is the sunrise / sunset in July in Calais?
What month has the most sunshine in Calais?
How long on average sun shines in July in Calais?
When is the highest UV index in Calais?
What is the UV index reading in July in Calais?
Average temperature in July
Calais, Guernsey
- Average high temperature in July: 16.9°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).
- Average low temperature in July: 15.3°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).
Average pressure in July
Calais, Guernsey
- Average pressure in July: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in July
Calais, Guernsey
- Average wind speed in July: 21.9km/h
The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).
Average humidity in July
Calais, Guernsey
- Average humidity in July: 84%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).
Average rainfall in July
Calais, Guernsey
- Average rainfall in July: 26mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in July
Calais, Guernsey
- Average rainfall days in July: 12.8 days
The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).
Average snowfall in July
Calais, Guernsey
- Average snowfall in July: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in July
Calais, Guernsey
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in July /
Average sunshine in July
Calais, Guernsey
- Average daylight in July: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in July: 9h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).
Average sunshine days in July
Calais, Guernsey
- Average sunshine days in July: 15.4 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).
Average UV index in July
Calais, Guernsey
- Average UV index in July: 5
The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in July
Calais, Guernsey
- Average cloud cover in July: 37
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in July
Calais, Guernsey
- Average visibility in July: 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, Guernsey
Weather forecast for your location
2. Allow the app to use your location
