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Rouen shines from May to October: Gothic cathedral (Monet), medieval Old Rouen, Joan of Arc square, museums (Beaux-Arts, Flaubert). May-June and September-October ideal.
| Month | Air (°C) | Wind (kts) | Rain (mm) | Verdict |
|---|---|---|---|---|
| January | 4.9° | 7.8· 2% | 82 | Avoid |
| February | 5.6° | 8.4· 4% | 67 | Avoid |
| March | 7.6° | 7.9· 3% | 70 | Fair |
| April | 10.1° | 6.5· 0% | 54 | Good |
| May | 13.3° | 6.8· 0% | 71 | Best |
| June | 17.3° | 6.2· 0% | 68 | Best |
| July | 19.0° | 6.3· 0% | 52 | Good |
| August | 18.5° | 6.0· 0% | 70 | Good |
| September | 16.2° | 6.0· 0% | 53 | Best |
| October | 12.6° | 6.9· 0% | 75 | Best |
| November | 8.4° | 7.5· 2% | 84 | Avoid |
| December | 6.2° | 7.8· 2% | 96 | Avoid |
Spring at Rouen reveals the medieval city in all its splendour. From May to June, ideal conditions to explore the cathedral (painted by Monet), the Gros-Horloge, the Aître Saint-Maclou. Saint-Romain Fairs in autumn but preparations from spring. Rivage villas at their best rates.
Summer at Rouen is festive but saturated. Normandy Impressionist Festival (biennial), summer festivals, significant crowds. Favour morning cathedral visits, afternoons in the gardens, dinners on the Seine quays.
Autumn at Rouen anoints the city as an authentic cultural destination. September offers perfect conditions, October the great Saint-Romain Fair. Perfect season to combine culture and Norman gastronomy.
Winter at Rouen is intimate. Gothic cathedral without crowds, Christmas markets, warm restaurants, day trips to Étretat and the Alabaster Coast.
Winter. 6°C, rain, short days. Museums open, intimate atmosphere.
Same as January.
Winter exit. 11°C, first visitors.
Resumption. 13°C, gardens awakening, good visit conditions.
Excellent. 17°C, soft light, limited crowds.
Spring peak. 21°C, long days, perfect conditions.
Summer (24°C). Tourist attendance, festivals.
Tourist peak. Same conditions as July.
The crown jewel. 21°C, thinning crowds, perfect conditions.
Excellent. 16°C, autumnal colours, intimate atmosphere.
Season's end. 10°C, first frosts.
Winter. 6°C, Christmas markets.
Data: Open-Meteo (ERA5), period 2014-2023. Updated May 5, 2026.