Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August is the month when Pomona, Washington, sees the highest average temperatures, with a high of 85.1°F (29.5°C) and a low of 58.8°F (14.9°C).Heat index
August's mean heat index is evaluated at 84.2°F (29°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 41%.Rainfall
In Pomona, during August, the rain falls for 2.6 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, there are 87.6 rainfall days, and 5.94" (151mm) of precipitation is accumulated.Snowfall
In Pomona, snow does not fall in May through August and October.Daylight
The average length of the day in August is 14h and 8min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:33 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:42 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12.1h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
How hot does it get in August?
What is the least humid month?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
Does it snow in August?
How many hours of daylight does Pomona have in August?
When are sunrise and sunset in August?
What are the months with the most sunshine?
How long on average sun shines in August?
What is the UV index intensity in August?
Average temperature in August
Pomona, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, Washington, USA
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