August weather forecastMonroe, WA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Monroe, Washington, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 49.8°F (9.9°C).Temperature
Monroe's warmest temperatures are experienced in August, with average high temperatures of 75.6°F (24.2°C) and lows of 49.8°F (9.9°C).Humidity
In Monroe, the average relative humidity in August is 73%.Rainfall
August is the month with the least rainfall. Rain falls for 4 days and accumulates 0.2" (5mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in August is 14h and 13min.On the first day of August in Monroe, sunrise is at 5:45 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:49 pm PDT.
Sunshine
With an average of 10.6h of sunshine, August has the most sunshine of the year in Monroe.UV index
In August, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During August, 4 as the daily maximum UV index converts into the following advice:
Exercise prevention - Warding off sunburn is urged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Monroe, WA
- Average high temperature in August: 75.6°F
The warmest month (with the highest average high temperature) is August (75.6°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in August: 49.8°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure in August
Monroe, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Monroe, WA
- Average wind speed in August: 3.3mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in August
Monroe, WA
- Average humidity in August: 73%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (71%).
Average rainfall in August
Monroe, WA
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in August
Monroe, WA
- Average rainfall days in August: 4 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (4 days).
Average snowfall in August
Monroe, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Monroe, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.8 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
Monroe, WA
- Average daylight in August: 14h and 12min
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: 10h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in August
Monroe, WA
- Average sunshine days in August: 25.5 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (15 days).
Average UV index in August
Monroe, 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
Monroe, WA
- Average cloud cover in August: 28
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Monroe, WA
- Average visibility in August: 5mi
The month with the highest visibility is July (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
