Climate averages 1991–2020
Nantes weather
in July.
A warm, fairly dry month: the 2nd warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Nantes: daytime highs average 23.7°C and nights cool to about 15.2°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 39 mm of rain on roughly 7 days, which makes July a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 31 min on an average July day.
The nearest other city in this atlas is Angers (81 km away). In July its highs average 24.2°C, 0.6°C warmer than Nantes, with 40 mm of rain.
Among the 57 cities listed in France, Nantes ranks joint 42nd of 57 for the warmest July highs and 14th of 57 for the driest July (rainfall, lowest first). The mean July high of those 57 cities is 24.9°C; Nantes is 1.2°C cooler than that mean.
From July to August, average highs rise by 0.3°C to 23.9°C, and monthly rainfall rises from 39 mm to 47 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nantes climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.9°C3.8°C | 3.8°C | 71 | 11.2 | 9.09 h |
| February | 9.7°C3.4°C | 3.4°C | 56 | 9.7 | 10.210 h |
| March | 12.5°C5.2°C | 5.2°C | 53 | 10.3 | 11.912 h |
| April | 15.1°C7.1°C | 7.1°C | 57 | 10.4 | 13.614 h |
| May | 18.4°C10.3°C | 10.3°C | 61 | 10.6 | 15.115 h |
| June | 21.7°C13.4°C | 13.4°C | 46 | 8.4 | 15.916 h |
| July, selected | 23.7°C15.2°C | 15.2°C | 39 | 7.3 | 15.516 h |
| August | 23.9°C15.3°C | 15.3°C | 47 | 7.3 | 14.214 h |
| September | 21.3°C13.0°C | 13.0°C | 49 | 7.4 | 12.613 h |
| October | 16.9°C10.5°C | 10.5°C | 73 | 11.4 | 10.911 h |
| November | 12.3°C6.8°C | 6.8°C | 70 | 11.3 | 9.49 h |
| December | 9.3°C4.3°C | 4.3°C | 79 | 11.4 | 8.69 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Angers in JulyFrance · 81 kmHigh 24.2°C · Low 15.1°C · 40 mm rain
- Rennes in JulyFrance · 100 kmHigh 23.1°C · Low 14.2°C · 46 mm rain
- La Rochelle in JulyFrance · 121 kmHigh 23.7°C · Low 16.7°C · 36 mm rain
- Le Mans in JulyFrance · 158 kmHigh 23.9°C · Low 14.7°C · 44 mm rain
- Poitiers in JulyFrance · 160 kmHigh 24.9°C · Low 15.3°C · 44 mm rain
- Tours in JulyFrance · 171 kmHigh 24.9°C · Low 15.6°C · 44 mm rain
- Saint Helier in JulyJersey · 223 kmHigh 17.9°C · Low 15.4°C · 48 mm rain
- Caen in JulyFrance · 236 kmHigh 22.5°C · Low 14.3°C · 55 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nantes) is explained once on the Nantes year overview and on the Sources, method and limits page.