August weather forecastCathan, WA
August
Weather in August
The last month of the summer, August, is another pleasant month in Cathan, Washington, with an average temperature varying between 51.6°F (10.9°C) and 72.3°F (22.4°C).Temperature
Cathan witnesses the warmest weather in August, with temperatures averaging a high of 72.3°F (22.4°C) and a low of 51.6°F (10.9°C).Humidity
In Cathan, the average relative humidity in August is 75%.Rainfall
In Cathan, during August, the rain falls for 6.9 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Cathan, during the entire year, the rain falls for 188.6 days and collects up to 34.92" (887mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Cathan, the average length of the day in August is 14h and 14min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:44 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:51 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 10.7h of sunshine.UV index
In Cathan, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 4 in August translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cathan, WA
- Average high temperature in August: 72.3°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in August: 51.6°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure in August
Cathan, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Cathan, WA
- Average wind speed in August: 3.3mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in August
Cathan, WA
- Average humidity in August: 75%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in August
Cathan, WA
- Average rainfall in August: 0.59"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in August
Cathan, WA
- Average rainfall days in August: 6.9 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in August
Cathan, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Cathan, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.3 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
Cathan, 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 24min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in August
Cathan, WA
- Average sunshine days in August: 22 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index in August
Cathan, 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, October, November and December (UV index 2).
Average cloud cover in August
Cathan, WA
- Average cloud cover in August: 26
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in August
Cathan, WA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
