Weather in the USA in December 2017

Expect 8°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in USA in December. Check more long-term weather averages for USA in December before you book your next holiday to USA in 2017. The December weather averages shown below are for Washington.

Key weather averages for USA in December

  • 8°C maximum daytime temperature in December in USA (Washington)8
    8°C max day temperature
  • 4 hours of sunshine per day (45% of daylight hours) in December in USA4
    4 hours of sunshine per day
  • 9 days with some rainfall in December in USA (Washington)9
    9 days with some rainfall
  • -1°C minimum night-time temperature in December in USA (Washington)-1
    -1°C min night temperature
  • 9 hours of daylight per day in December in USA (Washington)9
    9 hours of daylight per day
  • No heat & humidity in December in USA (Washington)0
    No heat & humidity
  • 82 mm monthly rainfall in December in USA (Washington)82
    82 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in USA (Washington)2
    2 (Low) UV index

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

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

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

Guide to USA weather in December

The average maximum daytime temperature in USA in December is a cool 8°C (46°F). The average night-time temperature is usually a very cold -1°C (30°F). There are usually 4 hours of bright sunshine each day, which represents 45% of the 9 hours of daylight.

Expect 82mm (3.2 inches) of rainfall across the whole of December with 9 days with some rain falling. Maximum UV levels will be low (2 UV index) at midday when the skies are clear.

The weather in USA in December is represented by Washington.

USA sunrise & sunset times for December 2017

Browse the sunrise & sunset times for USA in December 2017. Select a month to view USA sunrise & sunset times for the next twelve months. The USA sunrise & sunset times shown below are for Washington.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st December 2017 07:08 16:46
Saturday, 2nd December 2017 07:09 16:46
Sunday, 3rd December 2017 07:10 16:46
Monday, 4th December 2017 07:11 16:46
Tuesday, 5th December 2017 07:12 16:46
Wednesday, 6th December 2017 07:13 16:46
Thursday, 7th December 2017 07:13 16:46
Friday, 8th December 2017 07:14 16:46
Saturday, 9th December 2017 07:15 16:46
Sunday, 10th December 2017 07:16 16:46
Monday, 11th December 2017 07:17 16:46
Tuesday, 12th December 2017 07:17 16:46
Wednesday, 13th December 2017 07:18 16:47
Thursday, 14th December 2017 07:19 16:47
Friday, 15th December 2017 07:20 16:47
Saturday, 16th December 2017 07:20 16:47
Sunday, 17th December 2017 07:21 16:48
Monday, 18th December 2017 07:22 16:48
Tuesday, 19th December 2017 07:22 16:49
Wednesday, 20th December 2017 07:23 16:49
Thursday, 21st December 2017 07:23 16:50
Friday, 22nd December 2017 07:24 16:50
Saturday, 23rd December 2017 07:24 16:51
Sunday, 24th December 2017 07:25 16:51
Monday, 25th December 2017 07:25 16:52
Tuesday, 26th December 2017 07:25 16:52
Wednesday, 27th December 2017 07:26 16:53
Thursday, 28th December 2017 07:26 16:54
Friday, 29th December 2017 07:26 16:55
Saturday, 30th December 2017 07:26 16:55
Sunday, 31st December 2017 07:27 16:56
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