Portsmouth Weather in December

Check the Weather in Portsmouth, UK in December before you book your next holiday. This gives the best indication of the weather in December and includes figures for temperature, sunshine and rainfall.

  • 9°C maximum daytime temperature in December in Portsmouth9
    9°C max day temperature
  • 2 hours of sunshine per day (24% of daylight hours) in December in Portsmouth2
    2 hours of sunshine per day
  • 16 days with some rainfall in December in Portsmouth16
    16 days with some rainfall
  • 4°C minimum night-time temperature in December in Portsmouth4
    4°C min night temperature
  • 8 hours of daylight per day in December in Portsmouth8
    8 hours of daylight per day
  • No heat & humidity in December in Portsmouth0
    No heat & humidity
  • 78 mm monthly rainfall in December in Portsmouth78
    78 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Portsmouth1
    1 (Low) UV index
  • 11°C sea temperature in December in Portsmouth11
    11°C sea temperature

Metric (°C / mm)  |  Imperial (°F / inches)

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