Dieppe Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Dieppe.

Climate overview of Dieppe

Dieppe, Upper Normandy, France, sees big temperature differences between seasons, with August peaking at 22°C (72°F) and January dropping to 9°C (48°F).

Dieppe sees a moderate amount of rainfall, totalling around 935 mm (37 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. The most sunshine falls in June, with an average of 6.8 hours of daily sunshine.

Dieppe Weather by Month

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

Monthly Temperature in Dieppe

Visitors to Dieppe can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 22°C (72°F) in August, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.

At night, you can expect temperatures ranging from 15°C (59°F) in August to around 3°C (37°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Dieppe

Generally, Dieppe experiences moderate precipitation patterns, averaging 935 mm (37 in) yearly. Year-round, Dieppe has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 104 mm (4.1 in), and the driest month, July, with 65 mm (2.6 in), is minimal. For more details, please visit our Dieppe Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Dieppe

Seasonal changes in sunshine hours are quite dramatic in Dieppe. While June receives considerable daily sunshine with up to 6.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Rouen, France (53 KM, 33 Miles).

Daily hours of sunshine

Data from: Rouen, France (53 KM, 33 Miles).

Humidity in Dieppe by Month

Best Time to Visit Dieppe

For comfortable weather, consider visiting Dieppe in June, July, August and September. Conditions are usually least favourable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July, August and September
  • Warmest weather: July and August
  • Most sunshine: June, July and August
  • Fewest rainy days: June, July, August and September
  • Seasonal pattern: Warm summers and cold winters

Frequently asked questions about the climate in Dieppe

What is the best time to visit Dieppe?

June, July, August and September typically offer the most optimal weather in Dieppe. In contrast, January, February and December tend to have less optimal conditions. Dieppe has warm summers and cold winters.

What temperatures can I expect in Dieppe?

Daytime highs range from 9°C (48°F) in January to 22°C (72°F) in August. Nighttime lows range from 3°C (37°F) to 15°C (59°F). Temperatures vary considerably through the year.

How much rain does Dieppe get?

Annual rainfall is around 935 mm (37 in). December is the wettest month with 104 mm (4.1 in), while July is the driest with 65 mm (2.6 in).

How sunny is Dieppe?

Dieppe receives around 1,573 hours of sunshine per year. June is the sunniest month with 205 hours, while December is the cloudiest with just 51 hours.

Dieppe 3-Day Forecast

Dieppe on the map

Dieppe is highlighted - select any city to see its climate.

Popular this month

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.