October weather forecast
Three Rivers, OR

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Weather in October

October, like September, in Three Rivers, Oregon, is a cool autumn month, with an average temperature fluctuating between 37.2°F (2.9°C) and 54.7°F (12.6°C).

Temperature

As September transitions into October, a clear downswing in temperatures is observed, with average highs retreating from an agreeable 69.8°F (21°C) to a fresh 54.7°F (12.6°C). Three Rivers's average low-temperature during October nights is observed to be an icy 37.2°F (2.9°C).

Humidity

The average relative humidity in October is 64%.

Rainfall

In Three Rivers, in October, it is raining for 4.5 days, with typically 0.35" (9mm) of accumulated precipitation. In Three Rivers, during the entire year, the rain falls for 42.7 days and collects up to 4.8" (122mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Three Rivers, Oregon, in October, snow falls for 1.8 days, with typically accumulated 0.67" (17mm) of snow. Throughout the year, there are 40.2 snowfall days, and 19.09" (485mm) of snow is accumulated.

Daylight

In Three Rivers, the average length of the day in October is 10h and 59min.
On the first day of October, sunrise is at 7:04 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:57 pm PDT.

Sunshine

The average sunshine in October is 6.8h.

UV index

In Three Rivers, Oregon, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 3 in October translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

What is the average October temperature?

The high-temperature, in October, in Three Rivers, is 54.7°F (12.6°C), while the low-temperature averages to 37.2°F (2.9°C).

What is the average humidity in October?

In Three Rivers, the average relative humidity in October is 64%.

How much does it rain in October?

In Three Rivers, during October, the rain falls for 4.5 days and regularly aggregates up to 0.35" (9mm) of precipitation.

How much does it snow in October?

In October, it is snowing for 1.8 days. Throughout October, 0.67" (17mm) of snow is accumulated.

How many hours of daylight does Three Rivers have in October?

In Three Rivers, the average day length in October is 10h and 59min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:04 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:57 pm PDT.

How many hours of sunshine does Three Rivers have in October?

In Three Rivers, the average sunshine duration in October is 6.8h.

How high is the UV index in October?

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Three Rivers, OR

Average temperature in October - Three Rivers, OR
  • Average high temperature in October: 54.7°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (34.5°F).

  • Average low temperature in October: 37.2°F

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (23.7°F).

Average pressure in October
Three Rivers, OR

Average pressure in October - Three Rivers, OR
  • Average pressure in October: 30.06"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).

Average wind speed in October
Three Rivers, OR

Average wind speed in October - Three Rivers, OR
  • Average wind speed in October: 6.5mph

The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in October
Three Rivers, OR

Average humidity in October - Three Rivers, OR
  • Average humidity in October: 64%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is July (46%).

Average rainfall in October
Three Rivers, OR

Average rainfall in October - Three Rivers, OR
  • Average rainfall in October: 0.35"

The wettest month (with the highest rainfall) is February (0.71").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in October
Three Rivers, OR

Average rainfall days in October - Three Rivers, OR
  • Average rainfall days in October: 4.5 days

The month with the highest number of rainy days is May (5.5 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in October
Three Rivers, OR

Average snowfall in October - Three Rivers, OR
  • Average snowfall in October: 0.67"

The month with the highest snowfall is February (4.61").
The months with the least snowfall are July and August (0").

Average snowfall days in October
Three Rivers, OR

Average snowfall days in October - Three Rivers, OR
  • Average snowfall days in October: 1.8 days

The month with the highest number of snowfall days is December (7.4 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in October /
Average sunshine in October
Three Rivers, OR

Average daylight in October / Average sunshine in October - Three Rivers, 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: 6h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in October
Three Rivers, OR

Average sunshine days in October - Three Rivers, OR
  • Average sunshine days in October: 24.5 days

The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is February (20.6 days).

Average UV index in October
Three Rivers, OR

Average UV index in October - Three Rivers, 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, March, November and December (UV index 2).

Average cloud cover in October
Three Rivers, OR

Average cloud cover in October - Three Rivers, OR
  • Average cloud cover in October: 28

The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in October
Three Rivers, OR

Average visibility in October - Three Rivers, OR
  • Average visibility in October: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).

Three Rivers, Oregon, USA

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