August weather forecast
Adna, WA

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Weather in August

August, the last month of the summer in Adna, is another warm month, with an average temperature varying between 77.5°F (25.3°C) and 50°F (10°C).

Temperature

The highest temperatures are recorded in August, with averages reaching a high of 77.5°F (25.3°C) and a low of 50°F (10°C).

Humidity

In August, the average relative humidity is 74%.

Rainfall

In Adna, Washington, in August, it is raining for 6.4 days, with typically 0.55" (14mm) of accumulated precipitation. In Adna, during the entire year, the rain falls for 185.5 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in August is 14h and 8min.
On the first day of the month, sunrise is at 5:53 am and sunset at 8:43 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:52 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 10.2h of sunshine.

UV index

The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 4 during August translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

Adna's temperature records reveal August as the warmest month, marked by average highs of 77.5°F (25.3°C) and lows of 50°F (10°C).

What is the average August temperature?

In August, in Adna, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 50°F (10°C).

What is the average humidity in August?

In Adna, the average relative humidity in August is 74%.

How many days does it rain in August?

In Adna, during August, the rain falls for 6.4 days and regularly aggregates up to 0.55" (14mm) of precipitation.

When it does not snow?

In Adna, snow does not fall in April through October.

How many hours of daylight does Adna have in August?

In Adna, the average day length in August is 14h and 8min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:53 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:52 pm PDT.

What month has the most sunshine?

With an average of 10.2h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August?

In Adna, the average sunshine duration in August is 10.2h.

How high is the UV index in August?

In Adna, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Adna, WA

Average temperature in August - Adna, WA
  • Average high temperature in August: 77.5°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in August: 50°F

The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).

Average pressure in August
Adna, WA

Average pressure in August - Adna, WA
  • Average pressure in August: 30.02"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 (30.02"Hg).

Average wind speed in August
Adna, WA

Average wind speed in August - Adna, WA
  • Average wind speed in August: 3.7mph

The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).

Average humidity in August
Adna, WA

Average humidity in August - Adna, WA
  • Average humidity in August: 74%

The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).

Average rainfall in August
Adna, WA

Average rainfall in August - Adna, WA
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in August
Adna, WA

Average rainfall days in August - Adna, WA
  • Average rainfall days in August: 6.4 days

The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).

Average snowfall in August
Adna, WA

Average snowfall in August - Adna, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Adna, WA

Average snowfall days in August - Adna, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.5 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
Adna, WA

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in August
Adna, WA

Average sunshine days in August - Adna, WA
  • Average sunshine days in August: 20.8 days

The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in August
Adna, WA

Average UV index in August - Adna, WA
  • Average UV index in August: 4

The month with the highest UV index is 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
Adna, WA

Average cloud cover in August - Adna, WA
  • Average cloud cover in August: 38

The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in August
Adna, WA

Average visibility in August - Adna, WA
  • Average visibility in August: 4mi

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

Adna, Washington, USA

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