August weather forecastMcCormick, WA
August
Weather in August
The last month of the summer, August, is another warm month in McCormick, Washington, with an average temperature varying between 77.5°F (25.3°C) and 50°F (10°C).Temperature
The month of August sees the highest average temperatures, reaching 77.5°F (25.3°C) at the peak and 50°F (10°C) at the low.Humidity
In McCormick, the average relative humidity in August is 74%.Rainfall
In McCormick, in August, during 6.4 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In McCormick, during the entire year, the rain falls for 185.5 days and collects up to 36.1" (917mm) of precipitation.Snowfall
In McCormick, Washington, snow does not fall in April through October.Daylight
In McCormick, Washington, the average length of the day in August is 14h and 8min.On the first day of August, sunrise is at 5:55 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:53 pm PDT.
Sunshine
With an average of 10.2h of sunshine, August has the most sunshine of the year in McCormick.UV index
In August, the average daily maximum UV index in McCormick, Washington, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 4 in August leads to these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
McCormick, 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 (42.6°F).
- Average low temperature in August: 50°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in August
McCormick, WA
- Average pressure in August: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed in August
McCormick, WA
- Average wind speed in August: 3.7mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in August
McCormick, WA
- Average humidity in August: 74%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in August
McCormick, WA
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in August
McCormick, WA
- Average rainfall days in August: 6.4 days
The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in August
McCormick, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
McCormick, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.5 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
McCormick, WA
- Average daylight in August: 14h and 6min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in August
McCormick, WA
- Average sunshine days in August: 20.8 days
The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in August
McCormick, WA
- Average UV index in August: 4
The month with the highest UV index is 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
McCormick, WA
- Average cloud cover in August: 38
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in August
McCormick, WA
- Average visibility in August: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
