Temperatures in July
It's pleasantly warm in July in Boulogne-sur-Mer with an average temperature of 21°C. Temperatures this month range from a low of 19°C to a high of 25°C. At night, you can expect temperatures between 15°C and 18°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Boulogne-sur-Mer in July. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of July
The month of July starts in Boulogne-sur-Mer with mild temperatures, averaging around 21°C during the day and nights close to 16°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-July
By mid-July, the average daytime temperature rises to around 22°C, with nights close to 17°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of July
By the end of July, the average daytime temperature in Boulogne-sur-Mer will be around 22°C, with nights close to 17°C. A shower might show up, but overall the weather will be dry and sunny.
Discover cheap trips to Boulogne-sur-Mer 
Precipitation in July
In July, there is an average of 42 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the South.
The average precipitation chance is 23% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in July for Boulogne-sur-Mer. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Boulogne-sur-Mer in July |
London | ||
|---|---|---|---|
 Average Temperature |
21°C | 23°C | |
 High Temp |
25°C | 27°C | |
| Low Temp |
19°C | 21°C | |
 Total Precipitation |
42 mm | 52 mm | |
| Rainy Days |
7 days | 9 days | |
June
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is July a good time to visit Boulogne-sur-Mer?
Want nice weather? Then July is a great time to be in Boulogne-sur-Mer. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Boulogne-sur-Mer in July
With 40°C, Boulogne-sur-Mer hit the highest temperature in the last 10 years in July 2022. The lowest daytime temperature in this month was 15°C in 2016. The extreme night temperatures ranged from a low of 11°C to a high of 23°C.
Check out the climate of Boulogne-sur-Mer for all months and discover the best travel time
Curious about the climate in other parts of France? Check out the weather and climate in places like Paris, Côte d'Azur, or have a look at other destinations in France.
Plan your next holiday
Don’t miss the best holiday deals for Boulogne-sur-Mer and see what our partners have for you.
Daily Temperature in July in Boulogne-sur-Mer
This chart shows the average daily temperatures, both day and night, for each day in July in Boulogne-sur-Mer, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in Boulogne-sur-Mer
The chart below shows the average daily precipitation in July for Boulogne-sur-Mer, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for July, you can expect around 7 days of rain in Boulogne-sur-Mer.
Daily UV Index in July in Boulogne-sur-Mer
This chart shows the average daily UV index in July in Boulogne-sur-Mer, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in July in Boulogne-sur-Mer Over the Years
This chart shows the average temperature in July in Boulogne-sur-Mer, measured in degrees Celsius, over the past years.
Total Precipitation in July in Boulogne-sur-Mer Over the Years
This chart shows the average precipitation in July in Boulogne-sur-Mer, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in July for Boulogne-sur-Mer
Click on a specific day in July for detailed info on the typical weather on that day in Boulogne-sur-Mer. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in Boulogne-sur-Mer
Have you been to Boulogne-sur-Mer in July?
Share your weather experience in July in Boulogne-sur-Mer.
Average Weather in Boulogne-sur-Mer by Month
Click on a month below to see detailed weather info for Boulogne-sur-Mer. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Boulogne-sur-Mer for all months at once
