Glastonbury weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: May – September
What is the weather like in Glastonbury in December?
In December, Glastonbury is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 13 rainy days and 82 mm in total. All in all, December is not an ideal month for a holiday in Glastonbury.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 24 | 13 | 12 |
| Day | 11° | 9° | 8° |
| Night | 6° | 4° | 3° |
| Sun | 2 h | 2 h | 2 h |
| Rain days | 14 | 13 | 12 |
More details for December
- Daylight
- 7 h 56 min08:08 – 16:04
- UV index
- 0 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 27 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+0Europe/London
How the score comes together
- Temperatureweight 50 %6 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %36 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in December
- Warm jacket
- Rain jacket or umbrella
Glastonbury in December: quick answers
Is Glastonbury hot in December?
No. In December, Glastonbury is cold: daytime highs average 9 °C and nights drop to about 4 °C.
Does it rain much in Glastonbury in December?
Rain is frequent, with about 13 rainy days and 82 mm in total.
Glastonbury month by month
The whole year in GlastonburyAll destinations: United KingdomWhere to go in December
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