October weather forecastUnderwood Heights, WA
October
Weather in October
October, the same as September, in Underwood Heights, Washington, is another refreshing autumn month, with an average temperature varying between 55.4°F (13°C) and 40.5°F (4.7°C).Temperature
The shift from September to October involves a decrease in the average high-temperature, dropping from an agreeable 68.9°F (20.5°C) to a moderate 55.4°F (13°C). An average temperature of 40.5°F (4.7°C) marks the nights in Underwood Heights, Washington, in October.Humidity
In October, the average relative humidity is 75%.Rainfall
In Underwood Heights, in October, it is raining for 14.2 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, in Underwood Heights, there are 159.7 rainfall days, and 31.42" (798mm) of precipitation is accumulated.Snowfall
In Underwood Heights, snow does not fall in April through October.Daylight
The average length of the day in October in Underwood Heights is 10h and 55min.On the first day of October in Underwood Heights, sunrise is at 7:05 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:53 pm PDT.
Sunshine
In October, the average sunshine is 5.4h.UV index
The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In October, the maximum UV index of 3 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Underwood Heights, WA
- Average high temperature in October: 55.4°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in October: 40.5°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in October
Underwood Heights, WA
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in October
Underwood Heights, WA
- Average wind speed in October: 4.8mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in October
Underwood Heights, WA
- Average humidity in October: 75%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).
Average rainfall in October
Underwood Heights, WA
- Average rainfall in October: 2.99"
The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in October
Underwood Heights, WA
- Average rainfall days in October: 14.2 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in October
Underwood Heights, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Underwood Heights, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (4.1 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
Underwood Heights, WA
- Average daylight in October: 10h and 54min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in October: 5h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Underwood Heights, WA
- Average sunshine days in October: 15.5 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in October
Underwood Heights, 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 and November (UV index 1).
Average cloud cover in October
Underwood Heights, WA
- Average cloud cover in October: 45
The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in October
Underwood Heights, 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 and December (4mi).





