Climate Insights for Aeropuerto de Saint Nazaire

The climate in Aeropuerto de Saint Nazaire is temperate. The average annual temperature is 13°C and approximately 761mm of precipitation falls per year. Aeropuerto de Saint Nazaire receives a notable amount of rainfall throughout the year, including during its driest month. Aeropuerto de Saint Nazaire is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 5°C.

Aeropuerto de Saint Nazaire sees moderate temperature variation throughout the year, ranging from 5°C to 24°C. July is the warmest month, though highs remain moderate at 24°C with a mean of 20°C. January is the coolest month, with minimum temperatures around 5°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Aeropuerto de Saint Nazaire is a relatively dry area, receiving approximately 761mm of precipitation annually, which averages out to around 63mm per month. The wettest month is December, averaging 93mm of rainfall. November and March also tend to see above-average precipitation. The driest month is July, with just 32mm. That's 61mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Aeropuerto de Saint Nazaire is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently summer in Aeropuerto de Saint Nazaire, which began on June 21, 2026. Aeropuerto de Saint Nazaire is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 24°C, while the coldest stretch bottoms out in January near 5°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Aeropuerto de Saint Nazaire is during 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 47mm per month. By contrast, January can be quite cold with temperatures dropping to 5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Aeropuerto de Saint Nazaire 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.