Dieppe weather
Best months for weather: Jun–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Dieppe, Normandy, France.
Best Time to Visit
Peak season Jun–SepOff season Nov–Mar
Dieppe weather by month
When is the best time to visit Dieppe?
Based on weather alone, the best time to visit Dieppe is Jun–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 7°C (44°F) in January to 20°C (69°F) in August.
What is the rainiest month in Dieppe?
December is the wettest month, with about 92 mm (3.6 in) of rain on average. April is the driest, with about 43 mm (1.7 in).
What is the hottest month in Dieppe?
August is the warmest, with average highs of 20°C (69°F) and lows of 15°C (58°F). January is the coolest, with highs of 7°C (44°F) and lows of 3°C (38°F).
Does Dieppe have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is December at about 92 mm (3.6 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months