December 2025 Weather Report Card
December 2025 was the 6th warmest December in Reading since 1940
Temperature
High: 14.5°C · Low: -1.6°C
Mean: 7.3°C (average for December: 5.1°C)
Rainfall
Total: 72.9mm (average: 54.5mm)
Wettest day: Thursday 18 December (20.5mm)
Sunshine
Total: 122.4h (average: 111.5h)
Sunniest day: Tuesday 2 December (7.9h sun)
The month at a glance
Most common condition: rainy
Longest streak: 9 consecutive dry days ☀️
Notable days
86 years of records
- Hottest day: 14.8°C — Wednesday 5 December, 1979
- Coldest day: -16.9°C — Sunday 13 December, 1981
- Wettest day: 32mm — Thursday 27 December, 1979
Weather conditions are sourced from ERA5 reanalysis data and should be treated as an approximate guide only