Weather in the USA in August 2017

Check the weather in USA in August based on long-term weather averages before you book your next holiday to USA in 2017. Expect daytime temperatures to reach 30°C with on average 8 hours of sunshine per day in USA in August.

What is the weather like in USA in August?
How hot is USA in August? 30°C
How sunny is USA in August? 8 sunshine hours/day
How wet is USA in August? 103 mm rainfall

Weather in USA in August

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

  • 30°C maximum daytime temperature in August in USA (Washington)30
    30°C max day temperature
  • 8 hours of sunshine per day (62% of daylight hours) in August in USA8
    8 hours of sunshine per day
  • 9 days with some rainfall in August in USA (Washington)9
    9 days with some rainfall
  • 20°C minimum night-time temperature in August in USA (Washington)20
    20°C min night temperature
  • 14 hours of daylight per day in August in USA (Washington)14
    14 hours of daylight per day
  • High heat & humidity in August in USA (Washington)H
    High heat & humidity
  • 103 mm monthly rainfall in August in USA (Washington)103
    103 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in USA (Washington)8
    8 (Very High) UV index

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

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More about USA weather in August

The average maximum daytime temperature in USA 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 USA in August is represented by Washington.

USA sunrise & sunset times for August 2017

Browse the sunrise & sunset times for USA in August 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
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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Check USA 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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