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Lille in July: Weather, Average temperature and Climate

Discover the weather for Lille in July and if it’s a good time to travel (based on historical data).
Check flight prices to Lille on Avionero:
July

Weather in Lille in July 2025

OK Weather
Mild
🌧️
Rainy
July could be a good time to visit Lille, as the weather is generally fine. The average high temperature is around +22°C, and there are typically 6 sunny days in July. However, expect about 18 rainy days, and total monthly rainfall of approximately 73 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+22°C
Avg. max. temperature
+7°C
Min.
+42°C
Max.
73 mm
Total precipitation
77%
Avg. humidity
3 m/s
Avg. wind
6 ☀️
Sunny Days
7 ⛅️
Cloudy
18 🌦
Rainy
Our opinion: Lille has OK weather in July.

Average temperature in Lille in July

Here are the expected maximum, average and minimum temperatures in Lille for July based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in July is +24°C with a maximum of +31°C and a minimum of +11°C.

The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +21°C to +20°C.

Is Lille warm or cold in July?

Lille is typically mild in July.

Maximum temperatures go up compared to the previous month from +20°C to +22°C. The minimum temperature also goes up from +12°C to +14°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

July is one of the warmest months in Lille, here is the comparison with other months:

Climate in Lille in July

Lille weather looks like this, on average, in July and the surrounding months.
JuneJulyAugust
Avg. temperature
+20°C+22°C+22°C
Min. temperature
+4°C+7°C+6°C
Max. temperature
+33°C+42°C+37°C
Rainfall
76 mm73 mm74 mm
Wind
3 m/s3 m/s3 m/s
Humidity
77%77%77%
Air pressure
1015 HPa1015 HPa1015 HPa
Sunny days
566
Cloudy days
877
Rainy days
171818
Snowy days
000

July weather is still as ok as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +20°C to +22°C during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 76 mm to 73 mm. Humidity levels don’t change as the month goes on, averaging around 77%. The average wind speed doesn’t change much during July, staying around 3 m/s. The good news is there are likely to be more sunny days in July, from 5 to 6.

August brings much the same weather, it remains ok.

Wind

Wind speed in Lille in July based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Lille is gradually increasing during July, going from 6 m/s to 6 m/s over the course of the month.

Rain

Amount of rainfall in mm during July in Lille based on historical data.
Last Year
Historical Data
Total precipitation in July is about 302 mm, with a 61% chance of rain on a typical day. The maximum amount of rainfall per day is around 91 mm, which is considered heavy rain. July is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how July is compared with other months in the amount of precipitation, total mm:
Lille wettest month is December, where a typical day has a 48% chance of precipitation and 88 mm of rainfall per day. February, on the other hand, is the driest month with a mere 41% chance of precipitation and 58 mm of rainfall per day.

How was the weather last July in Lille?

This is the weather in Lille in July 2023:
1 July
☁️
+21°C
2 July
☀️
+22°C
3 July
☁️
+22°C
4 July
🌧️
+21°C
5 July
🌧️
+21°C
6 July
☀️
+25°C
7 July
☀️
+30°C
8 July
☀️
+31°C
9 July
☀️
+26°C
10 July
☀️
+29°C
11 July
☀️
+28°C
12 July
☀️
+23°C
13 July
☀️
+24°C
14 July
☀️
+28°C
15 July
☀️
+25°C
16 July
☁️
+21°C
17 July
☀️
+23°C
18 July
☀️
+27°C
19 July
☀️
+23°C
20 July
☁️
+24°C
21 July
☀️
+24°C
22 July
☀️
+21°C
23 July
☁️
+21°C
24 July
🌧️
+20°C
25 July
🌧️
+22°C
26 July
🌧️
+23°C
27 July
🌧️
+19°C
28 July
🌧️
+24°C
29 July
🌧️
+23°C
30 July
🌧️
+23°C
31 July
🌧️
+20°C
In July 2023 Lille had 16 sunny days, 5 cloudy days, and 10 rainy days. The average maximum temperature was +24°C, with an absolute maximum of +31°C and a minimum of +19°C. The average humidity was 75%, with a maximum of 100% and a minimum of 40%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in July?

Climate Change over Years

This is how Lille climate have been changing during last 43 years period.

The climate in Lille in July has not changed much over the last 43 years.

The average temperature was the lowest in 1979 (+12°C) and the highest in 2022 (+17°C). The driest year was 1996 with only 423 mm of rainfall, and the wettest year was 2021 with 3143 mm.

FAQ

Frequently asked questions about the weather in Lille in July:

Is July a good time to visit Lille?

It’s always a good time to visit Lille, but the weather is changeable in July, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Lille in July?

July has mild temperatures in Lille. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Lille rainy in July?

Lille is often rainy in July. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Lille in July?

Usually, it’s not very sunny in Lille in July, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in France

Check out the weather for other cities in France.

Monthly weather in Lille

Source of the data

For this page, we’ve looked at the typical weather in Lille, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.