Grande-Synthe Weather in August

August in Grande-Synthe brings high temperatures, with highs of 23°C (73°F) and nights dropping to 15°C (59°F). Rainfall is on the higher side this month, averaging around 70 mm (2.8 in), so keep a rain jacket handy.

Rainfall in Grande-Synthe in August

Typically, you can expect about 14 days of rain this month, with 70 mm (2.8 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Grande-Synthe in August

August tends to be one of the perfect months in Grande-Synthe, with 23°C (73°F) in the afternoon and 15°C (59°F) overnight. During August, the summer season is in full swing. Overall, the month follows a fairly predictable daily temperature pattern. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. On average, it has the peak temperatures of the year.

Sunshine in Grande-Synthe in August

The month enjoys around 217 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.

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For a detailed overview over the year and the best time to visit France, check out our Grande-Synthe's climate page.

Grande-Synthe Temperature in August

Min Temperature 15°C (59°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 45%  

Precipitation 70 mm (2.8 in)  

Rainy days 14 days  

Humidity 86% *  

Sunshine 217 hours *  

Percentage Sunshine *  

* Data from: Ostend, Belgium (44 KM, 27 Miles).

What to Wear in Grande-Synthe in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Grande-Synthe in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Grande-Synthe's climate page.

More climate data for Grande-Synthe

Temperature Rainfall Sunshine Humidity

See the full Grande-Synthe climate overview or explore weather in France.