August weather forecast
Richland, OR

Share

Weather in August

The last month of the summer, August, is another warm month in Richland, Oregon, with an average temperature ranging between min 53.8°F (12.1°C) and max 81.3°F (27.4°C).

Temperature

August's onset brings an average high-temperature of a still moderately hot 81.3°F (27.4°C), showing a minute difference from July's 81.7°F (27.6°C). Throughout August nights, Richland reports a steady thermal contrast from the day, with an average low-temperature of 53.8°F (12.1°C).

Heat index

For August, the heat index is estimated at 80.6°F (27°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

August is the least humid month in Richland, with an average relative humidity of 40%.

Rainfall

The month with the least rainfall in Richland is August, when the rain falls for 4.4 days and typically collects 0.31" (8mm) of precipitation.

Snowfall

June through September are months without snowfall in Richland.

Daylight

The average length of the day in August in Richland is 14h and 0min.
On the first day of August, sunrise is at 5:35 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:26 pm PDT.

Sunshine

August has the most sunshine of the year in Richland, with an average of 12.1h of sunshine.

UV index

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 during August translates into the following directions:
Take precautions - Protection against sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
[Resources]

Frequently asked questions

What is the usual temperature for Richland in August?

During August, Richland experiences an average high-temperature of 81.3°F (27.4°C) and a low-temperature of 53.8°F (12.1°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 80.6°F (27°C).

What is the least humid month in Richland?

The least humid month in Richland is August, with an average relative humidity of 40%.

What is the average humidity in August in Richland?

In August, the average relative humidity is 40%.

What is the driest month in Richland?

The month with the least rainfall in Richland, Oregon, is August, when the rain falls for 4.4 days and typically collects 0.31" (8mm) of precipitation.

How many days does it rain in August in Richland?

In Richland, in August, it is raining for 4.4 days, with typically 0.31" (8mm) of accumulated precipitation.

When it does not snow in Richland?

June through September are months without snowfall in Richland, Oregon.

How many hours of daylight does Richland have in August?

In August, the average day length in Richland, Oregon, is 14h and 0min.

What time are sunrise and sunset in August in Richland?

On the first day of August in Richland, sunrise is at 5:35 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:26 pm PDT.

What month has the most sunshine in Richland?

The month with the most sunshine in Richland, Oregon, is August, with an average of 12.1h of sunshine.

How many hours of sunshine does Richland have in August?

The average sunshine duration in August is 12.1h.

What is the UV index intensity in August in Richland?

In August, the average daily maximum UV index in Richland, Oregon, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Richland, OR

Average temperature in August - Richland, OR
  • Average high temperature in August: 81.3°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (30.7°F).

  • Average low temperature in August: 53.8°F

The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

[Resources]

Average pressure in August
Richland, OR

Average pressure in August - Richland, OR
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

[Resources]

Average wind speed in August
Richland, OR

Average wind speed in August - Richland, OR
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (5.4mph).

[Resources]

Average humidity in August
Richland, OR

Average humidity in August - Richland, OR
  • Average humidity in August: 40%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (40%).

[Resources]

Average rainfall in August
Richland, OR

Average rainfall in August - Richland, OR
  • Average rainfall in August: 0.31"

The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.31").

[Resources]

Average rainfall days in August
Richland, OR

Average rainfall days in August - Richland, OR
  • Average rainfall days in August: 4.4 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (4.4 days).

[Resources]

Average snowfall in August
Richland, OR

Average snowfall in August - Richland, OR
  • Average snowfall in August: 0"

The month with the highest snowfall is December (10.59").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in August
Richland, OR

Average snowfall days in August - Richland, OR
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
Richland, OR

Average daylight in August / Average sunshine in August - Richland, OR
  • Average daylight in August: 14h and 0min

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

  • Average sunshine in August: 12h and 1min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

[Resources]

Average sunshine days in August
Richland, OR

Average sunshine days in August - Richland, OR
  • Average sunshine days in August: 21.9 days

The month with the most sunshine days is July (22.7 days).
The months with the least sunshine days are February and March (11.3 days).

[Resources]

Average UV index in August
Richland, OR

Average UV index in August - Richland, OR
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

[Resources]

Average cloud cover in August
Richland, OR

Average cloud cover in August - Richland, OR
  • Average cloud cover in August: 9

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 9).

[Resources]

Average visibility in August
Richland, OR

Average visibility in August - Richland, OR
  • Average visibility in August: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

[Resources]

Richland, Oregon, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location