Weather in the United States in August 2017

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

The August weather guide for the United States shown below is for Washington.

Weather in United States in August

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

  • 30°C maximum daytime temperature in August in United States (Washington)30
    30°C max day temperature
  • 8 hours of sunshine per day (62% of daylight hours) in August in United States8
    8 hours of sunshine per day
  • 9 days with some rainfall in August in United States (Washington)9
    9 days with some rainfall
  • 20°C minimum night-time temperature in August in United States (Washington)20
    20°C min night temperature
  • 14 hours of daylight per day in August in United States (Washington)14
    14 hours of daylight per day
  • High heat & humidity in August in United States (Washington)H
    High heat & humidity
  • 103 mm monthly rainfall in August in United States (Washington)103
    103 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in United States (Washington)8
    8 (Very High) UV index

The average maximum daytime temperature in United States in August is a hot 30°C (86°F) with high heat & humidity. There are usually 8 hours of bright sunshine each day, which represents 62% of the 14 hours of daylight.

Expect 103mm (4.1 inches) of rainfall across the whole of August with 9 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear. The average night-time temperature is usually a comfortable 20°C (68°F). The weather in United States in August is represented by Washington.

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

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United States sunrise & sunset times for August 2017

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st August 2017 05:09 19:19
Wednesday, 2nd August 2017 05:10 19:18
Thursday, 3rd August 2017 05:11 19:17
Friday, 4th August 2017 05:12 19:16
Saturday, 5th August 2017 05:13 19:15
Sunday, 6th August 2017 05:14 19:13
Monday, 7th August 2017 05:15 19:12
Tuesday, 8th August 2017 05:15 19:11
Wednesday, 9th August 2017 05:16 19:10
Thursday, 10th August 2017 05:17 19:09
Friday, 11th August 2017 05:18 19:08
Saturday, 12th August 2017 05:19 19:06
Sunday, 13th August 2017 05:20 19:05
Monday, 14th August 2017 05:21 19:04
Tuesday, 15th August 2017 05:22 19:02
Wednesday, 16th August 2017 05:23 19:01
Thursday, 17th August 2017 05:24 19:00
Friday, 18th August 2017 05:25 18:58
Saturday, 19th August 2017 05:25 18:57
Sunday, 20th August 2017 05:26 18:56
Monday, 21st August 2017 05:27 18:54
Tuesday, 22nd August 2017 05:28 18:53
Wednesday, 23rd August 2017 05:29 18:51
Thursday, 24th August 2017 05:30 18:50
Friday, 25th August 2017 05:31 18:49
Saturday, 26th August 2017 05:32 18:47
Sunday, 27th August 2017 05:33 18:46
Monday, 28th August 2017 05:34 18:44
Tuesday, 29th August 2017 05:35 18:43
Wednesday, 30th August 2017 05:35 18:41
Thursday, 31st August 2017 05:36 18:40
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