Climate Overview
The climate in Saint-Paul-lès-Dax is temperate. The average annual temperature is 15°C and approximately 1135mm of precipitation falls per year. Saint-Paul-lès-Dax receives a notable amount of rainfall throughout the year, including during its driest month. Saint-Paul-lès-Dax is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 4°C.
Temperature
Temperatures in Saint-Paul-lès-Dax vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 22°C. January is the coolest month, with minimum temperatures around 4°C and an average of 7°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.
Precipitation
Saint-Paul-lès-Dax is a moderately rainy area, receiving approximately 1135mm of precipitation annually, which averages out to around 95mm per month. The wettest month is December, averaging 134mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 49mm. That's 85mm 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.
Wind
Saint-Paul-lès-Dax is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 2km/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.
Seasons
93 days until Autumn
It is currently summer in Saint-Paul-lès-Dax, which began on June 21, 2026. Saint-Paul-lès-Dax 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 August at around 28°C, while the coldest stretch bottoms out in January near 4°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 6 to 22°C. Precipitation is moderate at around 298mm for the season, averaging 99mm per month. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 28°C. Precipitation is moderate at around 191mm for the season, averaging 64mm per month. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 6 to 26°C. Precipitation is moderate at around 290mm for the season, averaging 97mm per month. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 4 to 14°C. Rainfall is heavy, totalling around 356mm across the season with a monthly average of 119mm. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Saint-Paul-lès-Dax is during June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 70mm per month. By contrast, January can be quite cold with temperatures dropping to 4°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Saint-Paul-lès-Dax 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.
