Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October's onset brings a reduction in the average high-temperature, from a moderately hot 73.8°F (23.2°C) in September to a comfortable 62.4°F (16.9°C). Jefferson experiences a mean temperature of 44.6°F (7°C) during October nights.Humidity
The average relative humidity in October is 78%.Rainfall
In Jefferson, during October, the rain falls for 14 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 164.2 rainfall days, and 26.97" (685mm) of precipitation is accumulated.Snowfall
In Jefferson, snow does not fall in April through October.Daylight
The average length of the day in October is 10h and 57min.On the first day of the month, sunrise is at 7:11 am and sunset at 6:51 pm. On the last day of October, sunrise is at 7:49 am and sunset at 6:01 pm PDT.
Sunshine
The average sunshine in October is 5.6h.UV index
In Jefferson, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 3 during October morphs into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow?
Does it snow in October?
What is the average length of the day in October in Jefferson?
When is the sunrise / sunset in October in Jefferson?
How long on average sun shines in October?
What is the UV index reading in October in Jefferson?
Average temperature in October
Jefferson, OR
- Average high temperature in October: 62.4°F
The warmest month (with the highest average high temperature) is August (81.9°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in October: 44.6°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in October
Jefferson, OR
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in October
Jefferson, OR
- Average wind speed in October: 4.6mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in October
Jefferson, OR
- Average humidity in October: 78%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is August (66%).
Average rainfall in October
Jefferson, OR
- Average rainfall in October: 2.4"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in October
Jefferson, OR
- Average rainfall days in October: 14 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in October
Jefferson, OR
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Jefferson, OR
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (1.9 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
Jefferson, OR
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in October
Jefferson, OR
- Average sunshine days in October: 15.5 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in October
Jefferson, 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
Jefferson, OR
- Average cloud cover in October: 43
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in October
Jefferson, OR
- Average visibility in October: 5mi
The months with the highest visibility are July, August and September (6mi).
The month with the lowest visibility is February (4mi).
Jefferson, Oregon, USA
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