West Richland
Washington, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
West Richland, WA

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

Temperature

In West Richland, the average high-temperature is relatively the same as in July - a still hot 89.4°F (31.9°C). The average low-temperature, in West Richland, is 64.2°F (17.9°C).

Humidity

The average relative humidity in August is 36%.

Rainfall

In West Richland, during 4.3 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. 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.

Daylight

In August, the average length of the day in West Richland is 14.1h.

Sunshine

In West Richland, the average sunshine is 12h.

UV index

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in West Richland?

In West Richland, in August, the average high-temperature is 89.4°F (31.9°C), and the average low-temperature is 64.2°F (17.9°C).

What is the average humidity in August in West Richland?

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

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

In West Richland, Washington, during August, the rain falls for 4.3 days and regularly aggregates up to 0.28" (7mm) of precipitation.

When it does not snow in West Richland?

April through October are months without snowfall in West Richland, Washington.

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

In West Richland, the average length of the day in August is 14.1h.

How long on average sun shines in August in West Richland?

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

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

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.
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).

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%).

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").

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).

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

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

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).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - West Richland, WA
  • Average daylight in August: 14.1h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in August: 12h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 5.4h).

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).
Months with the lowest UV index are January, February, November and December (UV index 2).