Bayonne weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: July – August
What is the weather like in Bayonne in July?
In July, Bayonne is warm: daytime highs average 23 °C, and nights cool down to about 17 °C. The sea averages 21.4 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, July is a good month for a holiday in Bayonne.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 15 h 8 min06:38 – 21:46
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 8 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 55 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 35 %68 %
- Seaweight 25 %63 %
- Sunshineweight 20 %67 %
- Few rainy daysweight 20 %54 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in July
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Bayonne in July: quick answers
Is Bayonne hot in July?
Warm rather than hot: in July, daytime highs in Bayonne average 23 °C and nights cool to about 17 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Bayonne in July?
Yes. In July the sea averages 21.4 °C – refreshing for a swim.
Does it rain much in Bayonne in July?
Rain is frequent, with about 11 rainy days and 61 mm in total.
Bayonne month by month
The whole year in BayonneAll destinations: FranceWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences