May in Gamonal averages a daily high of 19.5°C with nights around 6.1°C. Expect roughly 10.5 wet days totalling 54.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Gamonal is June–September.
Based on BURGOS VILLAFRIA, SP (3.3km), 1995–2024. 30 years of May data.