October weather forecastBrier, WA
October
Weather in October
October, like September, is another refreshing autumn month in Brier, Washington, with an average temperature varying between 57.9°F (14.4°C) and 45.9°F (7.7°C).Temperature
The decrease of average high-temperatures is mild in October, with a decline from a refreshing 67.6°F (19.8°C) in September to a mild 57.9°F (14.4°C). Brier, during the month of October, experiences an average low-temperature of 45.9°F (7.7°C).Humidity
In October, the average relative humidity is 79%.Rainfall
In Brier, in October, it is raining for 15.5 days, with typically 2.6" (66mm) of accumulated precipitation. In Brier, during the entire year, the rain falls for 173 days and collects up to 25" (635mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in October is 10h and 49min.On the first day of the month, sunrise is at 7:09 am and sunset at 6:47 pm. On the last day of October, sunrise is at 7:53 am and sunset at 5:52 pm PDT.
Sunshine
In October, the average sunshine is 5.7h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In October, the maximum UV index of 3 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Brier, WA
- Average high temperature in October: 57.9°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in October: 45.9°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in October
Brier, WA
- Average pressure in October: 30.04"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 (30.01"Hg).
Average wind speed in October
Brier, WA
- Average wind speed in October: 4.9mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in October
Brier, WA
- Average humidity in October: 79%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in October
Brier, WA
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in October
Brier, WA
- Average rainfall days in October: 15.5 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in October
Brier, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Brier, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Brier, WA
- Average daylight in October: 10h and 48min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in October: 5h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in October
Brier, WA
- Average sunshine days in October: 13.3 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in October
Brier, WA
- Average UV index in October: 3
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 October
Brier, WA
- Average cloud cover in October: 40
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in October
Brier, WA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





