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
Hillside Siding's August weather, with an average high temperature of 85.1°F (29.5°C) and an average low temperature of 58.8°F (14.9°C), tends to be the warmest of the year.Heat index
Throughout August, the heat index is calculated to be 84.2°F (29°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
July and August, with an average relative humidity of 41%, are the least humid months.Rainfall
In Hillside Siding, in August, during 2.6 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, in Hillside Siding, 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 August, the average length of the day is 14h and 8min.On the first day of August, sunrise is at 5:43 am and sunset at 8:33 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.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during August leads to these advisories:
Exercise prevention - Warding off sunburn is urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months?
How hot is it in August?
What are the least humid months in Hillside Siding?
What is the average humidity in August in Hillside Siding?
How many days does it rain in August?
When it does not snow?
Does it snow in August?
How many hours of daylight does Hillside Siding have in August?
What time are sunrise and sunset in August?
What is the month with the most sunshine?
How many hours of sunshine does Hillside Siding have in August?
What is the UV index reading in August in Hillside Siding?
Average temperature in August
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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
Hillside Siding, 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).
Hillside Siding, Washington, USA
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