October weather forecastTrentwood, WA
October
Weather in October
October, the same as September, in Trentwood, Washington, is another mild autumn month, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 55.9°F (13.3°C).Temperature
Trentwood, Washington, sees a considerable decrease in average high-temperatures during October, falling from a pleasant 72.5°F (22.5°C) in September to a moderate 55.9°F (13.3°C). During the month of October, an average temperature of 38.3°F (3.5°C) is noted during the nights.Humidity
In October, the average relative humidity is 68%.Rainfall
In Trentwood, in October, it is raining for 12.2 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 125.4 rainfall days, and 17.28" (439mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Trentwood, during October, snow falls for 0.5 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, there are 56.4 snowfall days, and 37.4" (950mm) of snow is accumulated.Daylight
The average length of the day in October is 10h and 50min.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 7:32 am and sunset at 5:32 pm PDT.
Sunshine
In Trentwood, Washington, the average sunshine in October is 6.4h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in October converts into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Trentwood, WA
- Average high temperature in October: 55.9°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in October: 38.3°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in October
Trentwood, WA
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in October
Trentwood, WA
- Average wind speed in October: 5mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in October
Trentwood, WA
- Average humidity in October: 68%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).
Average rainfall in October
Trentwood, WA
- Average rainfall in October: 1.61"
The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in October
Trentwood, WA
- Average rainfall days in October: 12.2 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).
Average snowfall in October
Trentwood, WA
- Average snowfall in October: 0.12"
The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Trentwood, WA
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Trentwood, 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: 6h and 24min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in October
Trentwood, WA
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).
Average UV index in October
Trentwood, WA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Trentwood, WA
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in October
Trentwood, WA
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
