August weather forecast
Hay, WA

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Weather in August

August, the last month of the summer in Hay, is also a moderately hot month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 83.8°F (28.8°C).

Temperature

In Hay, Washington, the peak average temperatures are observed in August, with a high of 83.8°F (28.8°C) and a low of 61.7°F (16.5°C).

Humidity

The least humid month is August, with an average relative humidity of 37%.

Rainfall

In Hay, during August, the rain falls for 5.1 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Hay, during the entire year, the rain falls for 122.8 days and collects up to 13.43" (341mm) of precipitation.

Snowfall

In Hay, snow does not fall in June through August.

Daylight

In August, the average length of the day is 14h and 8min.
On the first day of August, sunrise is at 5:33 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:32 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 12h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

August registers as the month with the average highest temperatures, reaching 83.8°F (28.8°C) at its peak and 61.7°F (16.5°C) at the lowest.

How hot does it get in August?

In August, the average high-temperature and low-temperature are 83.8°F (28.8°C) and 61.7°F (16.5°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 82.4°F (28°C).

What is the least humid month?

With an average relative humidity of 37%, August is the least humid month.

What is the average humidity in August?

In Hay, the average relative humidity in August is 37%.

How much does it rain in August?

In August, the rain falls for 5.1 days. Throughout August, 0.35" (9mm) of precipitation is accumulated.

When it does not snow in Hay?

June through August are months without snowfall.

Does it snow in August?

In Hay, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:33 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:32 pm PDT.

What month has the most sunshine in Hay?

August has the most sunshine of the year, with an average of 12h of sunshine.

How long on average sun shines in August?

In Hay, the average sunshine duration in August is 12h.

How high is the UV index in August?

In Hay, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate 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
Hay, WA

Average temperature in August - Hay, WA
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (36.3°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (25.9°F).

Average pressure in August
Hay, WA

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

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in August
Hay, WA

Average wind speed in August - Hay, WA
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).

Average humidity in August
Hay, WA

Average humidity in August - Hay, WA
  • Average humidity in August: 37%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (37%).

Average rainfall in August
Hay, WA

Average rainfall in August - Hay, WA
  • Average rainfall in August: 0.35"

The wettest months (with the highest rainfall) are March and December (1.69").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in August
Hay, WA

Average rainfall days in August - Hay, WA
  • Average rainfall days in August: 5.1 days

The month with the highest number of rainy days is March (15.7 days).
The month with the least rainy days is July (4.8 days).

Average snowfall in August
Hay, WA

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

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Hay, WA

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

The months with the highest number of snowfall days are February and December (8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Hay, WA

Average daylight in August / Average sunshine in August - Hay, 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: 12h

The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).

Average sunshine days in August
Hay, WA

Average sunshine days in August - Hay, WA
  • Average sunshine days in August: 23.3 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (11.9 days).

Average UV index in August
Hay, WA

Average UV index in August - Hay, WA
  • Average UV index in August: 5

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).

Average cloud cover in August
Hay, WA

Average cloud cover in August - Hay, WA
  • Average cloud cover in August: 11

The months with the most cloud cover are January and February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in August
Hay, WA

Average visibility in August - Hay, 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).

Hay, Washington, USA

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