Weather in Portsmouth in December 2017

Check the weather in Portsmouth in December before you book your next holiday in UK. Long-term weather averages give the best indication of the weather in December 2017 and include figures for temperature, sunshine and rainfall plus sunrise & sunset times for Portsmouth, United Kingdom.

Weather in Portsmouth in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

  • 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
  • 10°C sea temperature in December in Portsmouth10
    10°C sea temperature

The average maximum daytime temperature in Portsmouth in December is a cool 9°C (48°F). There are usually 2 hours of bright sunshine each day, which represents 24% of the 8 hours of daylight. The average sea temperature in and around Portsmouth in December is 10°C (50°F).

Expect 78mm (3.1 inches) of rainfall across the whole of December with 16 days with some rain falling. Maximum UV levels will be low (1 UV index) at midday when the skies are clear. The average night-time temperature is usually a cold 4°C (39°F).

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

More about Portsmouth weather

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

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Portsmouth sunrise & sunset times for December 2017

Browse the sunrise & sunset times for Portsmouth in December 2017. Select a month to view Portsmouth sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st December 2017 07:45 16:02
Saturday, 2nd December 2017 07:46 16:01
Sunday, 3rd December 2017 07:47 16:01
Monday, 4th December 2017 07:49 16:00
Tuesday, 5th December 2017 07:50 16:00
Wednesday, 6th December 2017 07:51 16:00
Thursday, 7th December 2017 07:52 15:59
Friday, 8th December 2017 07:53 15:59
Saturday, 9th December 2017 07:54 15:59
Sunday, 10th December 2017 07:56 15:59
Monday, 11th December 2017 07:57 15:59
Tuesday, 12th December 2017 07:58 15:59
Wednesday, 13th December 2017 07:58 15:59
Thursday, 14th December 2017 07:59 15:59
Friday, 15th December 2017 08:00 15:59
Saturday, 16th December 2017 08:01 15:59
Sunday, 17th December 2017 08:02 15:59
Monday, 18th December 2017 08:02 16:00
Tuesday, 19th December 2017 08:03 16:00
Wednesday, 20th December 2017 08:04 16:00
Thursday, 21st December 2017 08:04 16:01
Friday, 22nd December 2017 08:05 16:01
Saturday, 23rd December 2017 08:05 16:02
Sunday, 24th December 2017 08:05 16:03
Monday, 25th December 2017 08:06 16:03
Tuesday, 26th December 2017 08:06 16:04
Wednesday, 27th December 2017 08:06 16:05
Thursday, 28th December 2017 08:06 16:06
Friday, 29th December 2017 08:07 16:06
Saturday, 30th December 2017 08:07 16:07
Sunday, 31st December 2017 08:07 16:08
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Check Portsmouth weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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