Climate Insights for Nantes
Loire-Atlantique, Pays de la Loire, France (land mass)
Climate Overview
The climate in Nantes is temperate. The average annual temperature is 13°C and approximately 761 mm of precipitation falls per year. Nantes receives a notable amount of rainfall throughout the year, including during its driest month. Nantes is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 4°C.The climate in Nantes is temperate. The average annual temperature is 55°F and approximately 30 in of precipitation falls per year. Nantes receives a notable amount of rainfall throughout the year, including during its driest month. Nantes is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 38°F.
Temperature
Temperatures in Nantes vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 20°C. January is the coolest month, with minimum temperatures around 4°C and an average of 6°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.Temperatures in Nantes vary considerably across the year, with a 40°F difference between the coldest and warmest months. The warmest month is August, when average highs reach 78°F and the mean temperature sits around 68°F. January is the coolest month, with minimum temperatures around 38°F and an average of 43°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 8°F shift in average temperatures.
Precipitation
Nantes is a relatively dry area, receiving approximately 761 mm of precipitation annually, which averages out to around 63 mm per month. The wettest month is October, averaging 83 mm of rainfall. December and November also tend to see above-average precipitation. The driest month is August, with just 33 mm. That's 49 mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.Nantes is a relatively dry area, receiving approximately 30 in of precipitation annually, which averages out to around 2.5 in per month. The wettest month is October, averaging 3.3 in of rainfall. December and November also tend to see above-average precipitation. The driest month is August, with just 1.3 in. That's 1.9 in less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Nantes is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 14km/h in spring, 12km/h in summer, 14km/h in autumn.Nantes is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 10mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3mph between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 10mph in winter, 9mph in spring, 8mph in summer, 8mph in autumn.
Best Time to Visit
The best time to visit Nantes is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 50 mm per month. By contrast, January can be quite cold with temperatures dropping to 4°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Nantes is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 65°F with modest rainfall averaging 2 in per month. By contrast, January can be quite cold with temperatures dropping to 38°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Nantes based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Nantes based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.