August weather forecast
Richmond Highlands, WA

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Weather in August

August, the last month of the summer in Richmond Highlands, is a moderately hot month, with an average temperature ranging between max 73.9°F (23.3°C) and min 54.1°F (12.3°C).

Temperature

In Richmond Highlands, August is the month with the highest recorded average temperatures, measuring a high of 73.9°F (23.3°C) and a low of 54.1°F (12.3°C).

Humidity

In Richmond Highlands, the average relative humidity in August is 73%.

Rainfall

In Richmond Highlands, Washington, in August, it is raining for 6.8 days, with typically 0.51" (13mm) of accumulated precipitation. In Richmond Highlands, during the entire year, the rain falls for 173 days and collects up to 25" (635mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August in Richmond Highlands is 14h and 13min.
On the first day of August in Richmond Highlands, sunrise is at 5:47 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:51 pm PDT.

Sunshine

August has the most sunshine of the year in Richmond Highlands, with an average of 10.8h of sunshine.

UV index

The average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 4 during August translates into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in Richmond Highlands?

August is the month when Richmond Highlands sees the average highest temperatures, with a high of 73.9°F (23.3°C) and a low of 54.1°F (12.3°C).

What are the temperatures in Richmond Highlands in August?

The high-temperature, in August, in Richmond Highlands, records 73.9°F (23.3°C), while the low-temperature is 54.1°F (12.3°C).

What is the average humidity in August in Richmond Highlands?

In August, the average relative humidity in Richmond Highlands is 73%.

How many days does it rain in August in Richmond Highlands?

In Richmond Highlands, during August, the rain falls for 6.8 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow in Richmond Highlands?

May through October are months without snowfall in Richmond Highlands, Washington.

What is the average length of the day in August in Richmond Highlands?

In August, the average day length in Richmond Highlands, Washington, is 14h and 13min.

What time are sunrise and sunset in August in Richmond Highlands?

On the first day of August in Richmond Highlands, Washington, sunrise is at 5:47 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:51 pm PDT.

What month has the most sunshine in Richmond Highlands?

The month with the most sunshine is August, with an average of 10.8h of sunshine.

How long on average sun shines in August in Richmond Highlands?

In Richmond Highlands, Washington, the average sunshine duration in August is 10.8h.

How high is the UV index in August in Richmond Highlands?

The average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Richmond Highlands, WA

Average temperature in August - Richmond Highlands, WA
  • Average high temperature in August: 73.9°F

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).

  • Average low temperature in August: 54.1°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).

Average pressure in August
Richmond Highlands, WA

Average pressure in August - Richmond Highlands, WA
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in August
Richmond Highlands, WA

Average wind speed in August - Richmond Highlands, WA
  • Average wind speed in August: 3.5mph

The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in August
Richmond Highlands, WA

Average humidity in August - Richmond Highlands, WA
  • Average humidity in August: 73%

The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).

Average rainfall in August
Richmond Highlands, WA

Average rainfall in August - Richmond Highlands, WA
  • Average rainfall in August: 0.51"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in August
Richmond Highlands, WA

Average rainfall days in August - Richmond Highlands, WA
  • Average rainfall days in August: 6.8 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).

Average snowfall in August
Richmond Highlands, WA

Average snowfall in August - Richmond Highlands, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Richmond Highlands, WA

Average snowfall days in August - Richmond Highlands, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Richmond Highlands, WA

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in August
Richmond Highlands, WA

Average sunshine days in August - Richmond Highlands, WA
  • Average sunshine days in August: 22.5 days

The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).

Average UV index in August
Richmond Highlands, WA

Average UV index in August - Richmond Highlands, WA
  • Average UV index in August: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Richmond Highlands, WA

Average cloud cover in August - Richmond Highlands, WA
  • Average cloud cover in August: 25

The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in August
Richmond Highlands, WA

Average visibility in August - Richmond Highlands, WA
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Richmond Highlands, Washington, USA

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