Nantes in December: weather & daylight
Cool days, with time to pause indoors.
Regional averages help you choose a season. They are not a forecast for your travel dates. A wet day has at least 1 mm of precipitation, including rain or snow water equivalent.
Make room for the evening.
Local times for 2026-12-15 in Europe/Paris, including daylight saving. Estimates use the city center and a level horizon; hills and buildings can hide the sun earlier.
The year at a glance.
Average daily highs in °C. Select a month to open its guide.
| Month | High / low (°C) | Precipitation | Wet days |
|---|---|---|---|
| January | 9° / 2° | 84 mm | 14.5 |
| February | 10° / 2° | 65 mm | 11.2 |
| March | 13° / 4° | 69 mm | 12.4 |
| April | 16° / 6° | 54 mm | 9.8 |
| May | 19° / 9° | 65 mm | 11.2 |
| June | 23° / 12° | 52 mm | 10.2 |
| July | 24° / 14° | 52 mm | 9.2 |
| August | 24° / 14° | 52 mm | 8.7 |
| September | 22° / 11° | 45 mm | 7.8 |
| October | 18° / 9° | 83 mm | 12.8 |
| November | 13° / 6° | 88 mm | 13.8 |
| December | 9° / 3° | 91 mm | 13.6 |
A small packing note.
Warm layers, rain protection and shoes with grip.
The Machines are on the island beyond this compact route. Garden gates and attraction hours need checking.
Castle, cathedral and a garden
Start outside the castle, pass the cathedral and finish at Jardin des Plantes.
Open the walkNASA POWER / MERRA-2 · 2001–2020 · 0.5° latitude × 0.625° longitude regional grid. Values are computed from daily observations and model estimates. Mountain and coastal microclimates can differ substantially. Read the sources and method