Climate Insights for Dax

The climate in Dax is temperate. The average annual temperature is 15°C and approximately 1041mm of precipitation falls per year. Dax receives a notable amount of rainfall throughout the year, including during its driest month. 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.

Temperatures in Dax vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 22°C. January is the coolest month, with minimum temperatures around 4°C and an average of 8°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.

Dax is a moderately rainy area, receiving approximately 1041mm of precipitation annually, which averages out to around 87mm per month. The wettest month is November, averaging 133mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 36mm. That's 97mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Dax is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently autumn in Dax, which began on September 23, 2026. 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 29°C, while the coldest stretch bottoms out in January near 4°C. Winter is next, beginning on December 21, 2026 (87 days from now).

The best time to visit Dax is during May, 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 73mm 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.

The table below shows monthly climate averages for 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.