Overview: BarcelonnetteBarcelonnette (France) in general has a mild climate. The day temperatures range from 4 °C (38 °F) in January to 22 °C (72 °F) in July. Temperatures during the night go from -4 °C (24 °F) in January to 11 °C (52 °F) in July. The least rainy month in Barcelonnette is July with its 7 days of rain, the rainiest month is May, when it rains 11 days.