October weather forecastSouth Colby, WA
October
Weather in October
October, the same as September, in South Colby, Washington, is another mild autumn month, with an average temperature varying between 58.6°F (14.8°C) and 45°F (7.2°C).Temperature
A moderate decline in the average high-temperature is seen during October, decreasing from an agreeable 70°F (21.1°C) in September to a refreshing 58.6°F (14.8°C). South Colby's nighttime temperature in October falls to an average of 45°F (7.2°C).Humidity
In October, the average relative humidity is 81%.Rainfall
In South Colby, in October, it is raining for 11.8 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, in South Colby, there are 138.9 rainfall days, and 12.24" (311mm) of precipitation is accumulated.Snowfall
In South Colby, snow does not fall in April through October.Daylight
In October, the average length of the day is 10h and 50min.On the first day of the month, sunrise is at 7:10 am and sunset at 6:48 pm. On the last day of October, sunrise is at 7:53 am and sunset at 5:53 pm PDT.
Sunshine
The average sunshine in October is 5.6h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: An average UV index of 3 in October transforms into this advice:
Undertake protective steps - Preventing sun damage is advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
South Colby, WA
- Average high temperature in October: 58.6°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).
- Average low temperature in October: 45°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in October
South Colby, 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
South Colby, WA
- Average wind speed in October: 4.5mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in October
South Colby, WA
- Average humidity in October: 81%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in October
South Colby, WA
- Average rainfall in October: 1.1"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in October
South Colby, WA
- Average rainfall days in October: 11.8 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in October
South Colby, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
South Colby, WA
- Average snowfall days in October: 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 October /
Average sunshine in October
South Colby, 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 36min
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 October
South Colby, WA
- Average sunshine days in October: 16.6 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in October
South Colby, WA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
South Colby, WA
- Average cloud cover in October: 42
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in October
South Colby, WA
- Average visibility in October: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).





