October weather forecastRiverside, OR
October
Weather in October
October, like September, is a moderate autumn month in Riverside, Oregon, with an average temperature fluctuating between 56.8°F (13.8°C) and 39.7°F (4.3°C).Temperature
The arrival of October brings a significant change in Riverside's weather, with average high-temperatures dropping from September's agreeable 73°F (22.8°C) to a refreshing 56.8°F (13.8°C). Riverside's temperature lowers to a mean of 39.7°F (4.3°C) during the nights in October.Humidity
In October, the average relative humidity is 55%.Rainfall
In Riverside, during October, the rain falls for 9.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Riverside, during the entire year, the rain falls for 109.9 days and collects up to 11.34" (288mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In October, the average length of the day is 11h and 0min.On the first day of October, sunrise is at 7:51 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 6:44 pm MDT.
Sunshine
In October, the average sunshine is 8.3h.UV index
In Riverside, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents 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 translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Riverside, OR
- Average high temperature in October: 56.8°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (31.8°F).
- Average low temperature in October: 39.7°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in October
Riverside, OR
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in October
Riverside, OR
- Average wind speed in October: 6.3mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in October
Riverside, OR
- Average humidity in October: 55%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in October
Riverside, OR
- Average rainfall in October: 0.71"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in October
Riverside, OR
- Average rainfall days in October: 9.5 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3.4 days).
Average snowfall in October
Riverside, OR
- Average snowfall in October: 0"
The month with the highest snowfall is December (9.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Riverside, OR
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is December (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Riverside, OR
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 8h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in October
Riverside, OR
- Average sunshine days in October: 19.8 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in October
Riverside, OR
- Average UV index in October: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Riverside, OR
- Average cloud cover in October: 23
The months with the most cloud cover are January and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in October
Riverside, OR
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
