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, marked by an average high-temperature of 77.5°F (25.3°C) and a low-temperature of 50.5°F (10.3°C), is the warmest month.Humidity
In Yelm, Washington, the average relative humidity in August is 71%.Rainfall
In August, the rain falls for 5.3 days. Throughout August, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 178.1 rainfall days, and 33.82" (859mm) of precipitation is accumulated.Snowfall
In Yelm, snow does not fall in May through October.Daylight
In August, the average length of the day is 14h and 9min.On the first day of August, sunrise is at 5:51 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:51 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 10.6h of sunshine.UV index
The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in August translates into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What is the average August temperature?
What is the average humidity in August?
How much does it rain in Yelm in August?
When it does not snow?
How many hours of daylight does Yelm have in August?
When is the sunrise / sunset in August?
What month has the most sunshine?
How many hours of sunshine does Yelm have in August?
What is the UV index reading in August?
Average temperature in August
Yelm, WA
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in August: 50.5°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in August
Yelm, WA
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in August
Yelm, WA
- Average wind speed in August: 3.7mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in August
Yelm, WA
- Average humidity in August: 71%
The months with the highest relative humidity are January, February, November and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
Yelm, WA
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is December (5.28").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in August
Yelm, WA
- Average rainfall days in August: 5.3 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in August
Yelm, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Yelm, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Yelm, 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: 10h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in August
Yelm, WA
- Average sunshine days in August: 23.4 days
The month with the most sunshine days is August (23.4 days).
The months with the least sunshine days are February and March (8.8 days).
Average UV index in August
Yelm, WA
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Yelm, WA
- Average cloud cover in August: 28
The months with the most cloud cover are January, February, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Yelm, WA
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Yelm, Washington, USA
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