Grande-Synthe
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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 excellent 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.

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).

Grande-Synthe Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Grande-Synthe - and find the best time to visit.

Best Places in France in August

Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Grande-Synthe 3-Day Forecast

More climate data for Grande-Synthe

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.