December in Royal Leamington Spa averages a daily high of 8.2°C with nights around 1.8°C. Expect roughly 15.3 wet days totalling 59mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Royal Leamington Spa is June–September.
Based on WELLESBOURNE, UK (10.5km), 1995–2024. 29 years of December data.