Climate Overview
The climate in Saint-Jean-de-Luz is temperate. The average annual temperature is 16°C and approximately 1482mm of precipitation falls per year. Saint-Jean-de-Luz receives a notable amount of rainfall throughout the year, including during its driest month. Saint-Jean-de-Luz 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, March, when temperatures can drop to 8°C.
Temperature
Saint-Jean-de-Luz sees moderate temperature variation throughout the year, ranging from 8°C to 23°C. August is the warmest month, though highs remain moderate at 23°C with a mean of 21°C. January is the coolest month, with minimum temperatures around 8°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Saint-Jean-de-Luz is a fairly wet location, receiving approximately 1482mm of precipitation annually, which averages out to around 123mm per month. The wettest month is November, averaging 227mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 52mm. That's 175mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Saint-Jean-de-Luz is mildly breezy, with an average annual wind speed of 16km/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 19km/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. There is moderate seasonal variation in wind speed, with a 7km/h gap 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 18km/h in winter, 16km/h in spring, 13km/h in summer, 16km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Saint-Jean-de-Luz, which began on September 23, 2026. Saint-Jean-de-Luz 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 23°C, while the coldest stretch bottoms out in January near 8°C. Winter is next, beginning on December 21, 2026 (89 days from now).
Spring
Temperatures range from 10 to 18°C. Rainfall is heavy, totalling around 315mm across the season with a monthly average of 105mm. Winds are moderate at around 16km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 17 to 23°C. Precipitation is moderate at around 221mm for the season, averaging 74mm per month. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 12 to 22°C. Rainfall is heavy, totalling around 462mm across the season with a monthly average of 154mm. Winds are moderate at around 16km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 8 to 13°C. Rainfall is heavy, totalling around 485mm across the season with a monthly average of 162mm. Winds are moderate at around 18km/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-Jean-de-Luz is during May, June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 79mm per month. By contrast, January can be quite cold with temperatures dropping to 8°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-Jean-de-Luz 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.
