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
Umatilla in October showcases a distinct temperature shift, moving from an average high of a warm 77.2°F (25.1°C) in September to a comfortable 61.9°F (16.6°C). During October, Umatilla experiences an average low-temperature of 46.8°F (8.2°C) at night.Humidity
In October, the average relative humidity is 56%.Rainfall
In Umatilla, in October, during 9.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Umatilla, during the entire year, the rain falls for 106.1 days and collects up to 7.76" (197mm) of precipitation.Snowfall
April through August and October are months without snowfall.Daylight
In Umatilla, the average length of the day in October is 10h and 54min.On the first day of the month, sunrise is at 6:56 am and sunset at 6:36 pm. On the last day of October, sunrise is at 7:37 am and sunset at 5:44 pm PDT.
Sunshine
In October, the average sunshine is 6.8h.UV index
The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in October translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
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 Umatilla?
When are sunrise and sunset in October in Umatilla?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Umatilla, OR
- Average high temperature in October: 61.9°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.7°F).
- Average low temperature in October: 46.8°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in October
Umatilla, OR
- Average pressure in October: 30.04"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
Umatilla, OR
- Average wind speed in October: 7mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (6.2mph).
Average humidity in October
Umatilla, OR
- Average humidity in October: 56%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in October
Umatilla, OR
- Average rainfall in October: 0.71"
The wettest month (with the highest rainfall) is March (1.02").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in October
Umatilla, OR
- Average rainfall days in October: 9.8 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in October
Umatilla, OR
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in October
Umatilla, OR
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (3.2 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in October /
Average sunshine in October
Umatilla, OR
- Average daylight in October: 10h and 5min
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: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in October
Umatilla, OR
- Average sunshine days in October: 19.6 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (14 days).
Average UV index in October
Umatilla, OR
- Average UV index in October: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Umatilla, OR
- Average cloud cover in October: 29
The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in October
Umatilla, OR
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Umatilla, Oregon, USA
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