August weather forecast
Pomona Heights, WA

Share

Weather in August

The last month of the summer, August, is another warm month in Pomona Heights, Washington, with an average temperature fluctuating between 85.1°F (29.5°C) and 58.8°F (14.9°C).

Temperature

In Pomona Heights, the highest average temperatures are observed in August, with a high of 85.1°F (29.5°C) and a low of 58.8°F (14.9°C).

Heat index

August's average heat index is estimated at 84.2°F (29°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

July and August, with an average relative humidity of 41%, are the least humid months.

Rainfall

In Pomona Heights, Washington, in August, during 2.6 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 87.6 rainfall days, and 5.94" (151mm) of precipitation is accumulated.

Snowfall

May through August and October are months without snowfall.

Daylight

In Pomona Heights, the average length of the day in August is 14h and 8min.
On the first day of August, sunrise is at 5:43 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:42 pm PDT.

Sunshine

July and August, with an average of 12.1h of sunshine, are months with the most sunshine in Pomona Heights.

UV index

In Pomona Heights, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What is the hottest time of year?

Pomona Heights witnesses the warmest weather in August, with temperatures averaging a high of 85.1°F (29.5°C) and a low of 58.8°F (14.9°C).

How hot is it in August?

In August, in Pomona Heights, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 58.8°F (14.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 84.2°F (29°C).

What is the least humid month?

July and August, with an average relative humidity of 41%, are the least humid months.

What is the average humidity in August?

In August, the average relative humidity is 41%.

How much does it rain in August?

In August, the rain falls for 2.6 days. Throughout August, 0.2" (5mm) of precipitation is accumulated.

When it does not snow?

In Pomona Heights, snow does not fall in May through August and October.

Does it snow in August?

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

How many hours of daylight does Pomona Heights have in August?

The average day length in August is 14h and 8min.

What time are sunrise and sunset in August?

On the first day of August in Pomona Heights, sunrise is at 5:43 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:42 pm PDT.

What are the months with the most sunshine?

July and August, with an average of 12.1h of sunshine, are months with the most sunshine.

How long on average sun shines in August?

In Pomona Heights, the average sunshine duration in August is 12.1h.

How high is the UV index in August?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Pomona Heights, WA

Average temperature in August - Pomona Heights, WA
  • Average high temperature in August: 85.1°F

The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).

  • Average low temperature in August: 58.8°F

The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

Average pressure in August
Pomona Heights, WA

Average pressure in August - Pomona Heights, WA
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed in August
Pomona Heights, WA

Average wind speed in August - Pomona Heights, WA
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

Average humidity in August
Pomona Heights, WA

Average humidity in August - Pomona Heights, WA
  • Average humidity in August: 41%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).

Average rainfall in August
Pomona Heights, WA

Average rainfall in August - Pomona Heights, WA
  • Average rainfall in August: 0.2"

The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in August
Pomona Heights, WA

Average rainfall days in August - Pomona Heights, WA
  • Average rainfall days in August: 2.6 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).

Average snowfall in August
Pomona Heights, WA

Average snowfall in August - Pomona Heights, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days in August
Pomona Heights, WA

Average snowfall days in August - Pomona Heights, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

Average daylight in August /
Average sunshine in August
Pomona Heights, WA

Average daylight in August / Average sunshine in August - Pomona Heights, 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 and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in August
Pomona Heights, WA

Average sunshine days in August - Pomona Heights, WA
  • Average sunshine days in August: 26.8 days

The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).

Average UV index in August
Pomona Heights, WA

Average UV index in August - Pomona Heights, WA
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Pomona Heights, WA

Average cloud cover in August - Pomona Heights, WA
  • Average cloud cover in August: 9

The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in August
Pomona Heights, WA

Average visibility in August - Pomona Heights, 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).

Pomona Heights, Washington, USA

Weather forecast for your location

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