October weather forecastThe Dalles, OR
October
Weather in October
October in The Dalles heralds the full swing of fall with the temperatures dropping further, and the rainfall amounts increasing noticeably to 1.61" (41mm) over 13.1 days. However, instead of dampening the spirits, the soft drizzles add a refreshing touch to the crisp fall air, enhancing the scenic beauty. The fall foliage in full glory against the backdrop of grey skies offers a truly magnificent sight in October.Temperature
The Dalles's average high-temperature decreases in October, falling from an agreeable 71.6°F (22°C) in September to a refreshing 57.9°F (14.4°C). The low-temperature average for The Dalles during October stands at an icy 42.4°F (5.8°C).Humidity
The average relative humidity in October is 69%.Rainfall
In The Dalles, in October, it is raining for 13.1 days, with typically 1.61" (41mm) of accumulated precipitation. In The Dalles, during the entire year, the rain falls for 133.5 days and collects up to 16.93" (430mm) of precipitation.Snowfall
April through October are months without snowfall in The Dalles.Daylight
In The Dalles, the average length of the day in October is 10h and 55min.On the first day of October, sunrise is at 7:04 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:52 pm PDT.
Sunshine
The average sunshine in October is 6.3h.UV index
In The Dalles, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 in October translates into these instructions:
Be vigilant - Preventing sunburn is recommended. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
The Dalles, OR
- Average high temperature in October: 57.9°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in October: 42.4°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in October
The Dalles, OR
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in October
The Dalles, OR
- Average wind speed in October: 4.9mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in October
The Dalles, OR
- Average humidity in October: 69%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in October
The Dalles, OR
- Average rainfall in October: 1.61"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in October
The Dalles, OR
- Average rainfall days in October: 13.1 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in October
The Dalles, OR
- Average snowfall in October: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
The Dalles, OR
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (4.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
The Dalles, OR
- Average daylight in October: 10h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in October: 6h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in October
The Dalles, OR
- Average sunshine days in October: 15.9 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in October
The Dalles, OR
- 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
The Dalles, OR
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in October
The Dalles, 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 months with the lowest visibility are January, February and December (5mi).





