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
The arrival of August in Chelan, Washington, records an average high-temperature of a still warm 81.9°F (27.7°C), closely related to the 82.2°F (27.9°C) observed in July. With a significant temperature contrast, nighttime temperatures in Chelan hover around an average low of 55.8°F (13.2°C) in August.Heat index
August's mean heat index is estimated at 82.4°F (28°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
July and August, with an average relative humidity of 43%, are the least humid months in Chelan.Rainfall
In Chelan, in August, during 3.8 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Chelan, during the entire year, the rain falls for 99.9 days and collects up to 10.47" (266mm) of precipitation.Snowfall
May through August are months without snowfall.Daylight
In Chelan, the average length of the day in August is 14h and 13min.On the first day of the month, sunrise is at 5:38 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:18 am and sunset at 7:42 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine in Chelan.UV index
In Chelan, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, a daily UV index of 5 turns into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Chelan?
What is the least humid month in Chelan?
What is the average humidity in August in Chelan?
How many days does it rain in August in Chelan?
When it does not snow in Chelan?
Does it snow in Chelan in August?
How many hours of daylight does Chelan have in August?
What time are sunrise and sunset in August in Chelan?
What are the months with the most sunshine in Chelan?
How many hours of sunshine does Chelan have in August?
How high is the UV index in August in Chelan?
Average temperature in August
Chelan, WA
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in August: 55.8°F
The month with the highest average low temperature is August (55.8°F).
The coldest months (with the lowest average low temperature) are January and December (19°F).
Average pressure in August
Chelan, 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
Chelan, WA
- Average wind speed in August: 5.8mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in August
Chelan, WA
- Average humidity in August: 43%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in August
Chelan, WA
- Average rainfall in August: 0.28"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in August
Chelan, WA
- Average rainfall days in August: 3.8 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in August
Chelan, WA
- Average snowfall in August: 0"
The month with the highest snowfall is December (9.06").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in August
Chelan, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Chelan, WA
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Chelan, WA
- Average sunshine days in August: 24.8 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in August
Chelan, 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, March, October, November and December (UV index 2).
Average cloud cover in August
Chelan, WA
- Average cloud cover in August: 12
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in August
Chelan, WA
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Chelan, Washington, USA
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