St Simons Island weather in December 2019

  • 18°C maximum daytime temperature in December in St Simons Island18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in December in St Simons Island8
    8 days with some rainfall
  • 7°C minimum night-time temperature in December in St Simons Island7
    7°C min night temperature
  • 10 hours of daylight per day in December in St Simons Island10
    10 hours of daylight per day
  • No heat & humidity in December in St Simons Island0
    No heat & humidity
  • 72 mm monthly rainfall in December in St Simons Island72
    72 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in December in St Simons Island4
    4 (Moderate) UV index
  • 18°C sea temperature in December in St Simons Island18
    18°C sea temperature

Going to St Simons Island? Find the best month to visit St Simons Island based on the weather.

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Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in St Simons Island in December. Check more long-term weather averages for St Simons Island in December before you book your next holiday to Georgia (USA) in 2019/2020.

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More about St Simons Island

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

The December weather guide for St Simons Island, Georgia shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

Guide to St Simons Island weather in December

The average maximum daytime temperature in St Simons Island in December is a comfortable 18°C (64°F). The average night-time temperature is usually a cold 7°C (45°F). There are usually 6 hours of bright sunshine each day, which represents 58% of the 10 hours of daylight.

Expect 72mm (2.8 inches) of rainfall across the whole of December with 8 days with some rain falling. Maximum UV levels will be moderate (4 UV index) at midday when the skies are clear.

The average sea temperature in and around St Simons Island in December is 18°C (64°F).

St Simons Island sunrise & sunset times for December 2019

Browse the sunrise & sunset times for St Simons Island in December 2019. Select a month to view St Simons Island sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2019 07:06 17:23
Monday, 2nd December 2019 07:07 17:23
Tuesday, 3rd December 2019 07:08 17:23
Wednesday, 4th December 2019 07:09 17:23
Thursday, 5th December 2019 07:09 17:23
Friday, 6th December 2019 07:10 17:23
Saturday, 7th December 2019 07:11 17:23
Sunday, 8th December 2019 07:12 17:23
Monday, 9th December 2019 07:12 17:23
Tuesday, 10th December 2019 07:13 17:23
Wednesday, 11th December 2019 07:14 17:24
Thursday, 12th December 2019 07:14 17:24
Friday, 13th December 2019 07:15 17:24
Saturday, 14th December 2019 07:16 17:24
Sunday, 15th December 2019 07:16 17:25
Monday, 16th December 2019 07:17 17:25
Tuesday, 17th December 2019 07:18 17:26
Wednesday, 18th December 2019 07:18 17:26
Thursday, 19th December 2019 07:19 17:26
Friday, 20th December 2019 07:19 17:27
Saturday, 21st December 2019 07:20 17:27
Sunday, 22nd December 2019 07:20 17:28
Monday, 23rd December 2019 07:21 17:28
Tuesday, 24th December 2019 07:21 17:29
Wednesday, 25th December 2019 07:22 17:29
Thursday, 26th December 2019 07:22 17:30
Friday, 27th December 2019 07:22 17:31
Saturday, 28th December 2019 07:23 17:31
Sunday, 29th December 2019 07:23 17:32
Monday, 30th December 2019 07:23 17:33
Tuesday, 31st December 2019 07:24 17:33
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