October weather forecastChattaroy, WA
October
Weather in October
October, the same as September, in Chattaroy, Washington, is a moderate autumn month, with an average temperature varying between 36.7°F (2.6°C) and 55.8°F (13.2°C).Temperature
A clear decrease in the average high-temperature is observed during October, decreasing from a pleasant 72.7°F (22.6°C) in September to a mild 55.8°F (13.2°C). Chattaroy's average low-temperature for the month of October records at a wintry 36.7°F (2.6°C).Humidity
In October, the average relative humidity is 70%.Rainfall
In Chattaroy, during October, the rain falls for 12.3 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Chattaroy, during the entire year, the rain falls for 124.9 days and collects up to 17.44" (443mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Chattaroy, in October, during 1 snowfall days, 0.16" (4mm) of snow is typically accumulated. In Chattaroy, during the entire year, snow falls for 69.2 days and aggregates up to 42.99" (1092mm) of snow.Daylight
The average length of the day in October is 10h and 49min.On the first day of the month, sunrise is at 6:49 am and sunset at 6:27 pm. On the last day of October, sunrise is at 7:33 am and sunset at 5:32 pm PDT.
Sunshine
In Chattaroy, the average sunshine in October is 6.2h.UV index
In Chattaroy, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in October suggests the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Chattaroy, WA
- Average high temperature in October: 55.8°F
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in October: 36.7°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in October
Chattaroy, WA
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in October
Chattaroy, WA
- Average wind speed in October: 4.5mph
The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in October
Chattaroy, WA
- Average humidity in October: 70%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).
Average rainfall in October
Chattaroy, WA
- Average rainfall in October: 1.65"
The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in October
Chattaroy, WA
- Average rainfall days in October: 12.3 days
The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in October
Chattaroy, WA
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Chattaroy, WA
- Average snowfall days in October: 1 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Chattaroy, WA
- Average daylight in October: 10h and 48min
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 October: 6h and 12min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in October
Chattaroy, WA
- Average sunshine days in October: 17.1 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in October
Chattaroy, WA
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in October
Chattaroy, WA
- Average cloud cover in October: 38
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in October
Chattaroy, WA
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
