August weather forecast
West Richland, WA

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Weather in August

The last month of the summer, August, is another hot month in West Richland, Washington, with an average temperature varying between 64.2°F (17.9°C) and 89.4°F (31.9°C).

Temperature

The beginning of August reveals an average high-temperature of a still tropical 89.4°F (31.9°C), showing minimal deviation from the previous month. The August nights in West Richland bear witness to a significant drop from the daytime highs, settling at an average temperature of 64.2°F (17.9°C).

Humidity

In August, the average relative humidity in West Richland is 36%.

Rainfall

In West Richland, during August, the rain falls for 4.3 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, in West Richland, there are 100.2 rainfall days, and 7.05" (179mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in West Richland.

Daylight

In West Richland, the average length of the day in August is 14h and 7min.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:37 pm PDT.

Sunshine

In West Richland, the average sunshine in August is 12h.

UV index

The average daily maximum UV index in August in West Richland is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Deflect overexposure. Sun protection is a necessity. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

How hot is it in West Richland in August?

The high-temperature, in August, in West Richland, is 89.4°F (31.9°C), while the low-temperature averages to 64.2°F (17.9°C).

What is the average humidity in August in West Richland?

The average relative humidity in August in West Richland, Washington, is 36%.

How many days does it rain in August in West Richland?

In August, in West Richland, the rain falls for 4.3 days. Throughout August, 0.28" (7mm) of precipitation is accumulated.

When it does not snow in West Richland?

April through October are months without snowfall in West Richland.

How many hours of daylight does West Richland have in August?

In August, the average day length in West Richland, Washington, is 14h and 7min.

When is the sunrise / sunset in August in West Richland?

In August, on the first day of the month, sunrise is at 5:40 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:37 pm PDT.

How many hours of sunshine does West Richland have in August?

In August, the average sunshine duration is 12h.

What is the UV index intensity in August in West Richland?

The average daily maximum UV index in August in West Richland, Washington, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
West Richland, WA

Average temperature in August - West Richland, WA
  • Average high temperature in August: 89.4°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.1°F).

  • Average low temperature in August: 64.2°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (27.5°F).

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Average pressure in August
West Richland, WA

Average pressure in August - West Richland, WA
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in August
West Richland, WA

Average wind speed in August - West Richland, WA
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).

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Average humidity in August
West Richland, WA

Average humidity in August - West Richland, WA
  • Average humidity in August: 36%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is July (35%).

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Average rainfall in August
West Richland, WA

Average rainfall in August - West Richland, WA
  • Average rainfall in August: 0.28"

The wettest month (with the highest rainfall) is December (0.94").
The driest months (with the least rainfall) are July and September (0.2").

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Average rainfall days in August
West Richland, WA

Average rainfall days in August - West Richland, WA
  • Average rainfall days in August: 4.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (3.5 days).

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Average snowfall in August
West Richland, WA

Average snowfall in August - West Richland, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
West Richland, WA

Average snowfall days in August - West Richland, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
West Richland, WA

Average daylight in August / Average sunshine in August - West Richland, WA
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in August
West Richland, WA

Average sunshine days in August - West Richland, WA
  • Average sunshine days in August: 24.1 days

The month with the most sunshine days is July (25.7 days).
The months with the least sunshine days are February and March (15.3 days).

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Average UV index in August
West Richland, WA

Average UV index in August - West Richland, WA
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
West Richland, WA

Average cloud cover in August - West Richland, WA
  • Average cloud cover in August: 10

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in August
West Richland, WA

Average visibility in August - West Richland, WA
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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West Richland, Washington, USA

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