October weather forecast
Riddle, OR

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Weather in October

October, the same as September, is another comfortable autumn month in Riddle, Oregon, with an average temperature ranging between max 63.5°F (17.5°C) and min 40.8°F (4.9°C).

Temperature

October indicates a shift in the average high-temperature, from September's warm 74.5°F (23.6°C) to an enjoyable 63.5°F (17.5°C). Riddle experiences a dramatic descent in temperature during October, with the average nighttime reading settling at a cold 40.8°F (4.9°C).

Humidity

In Riddle, the average relative humidity in October is 76%.

Rainfall

In Riddle, in October, it is raining for 6.1 days, with typically 0.39" (10mm) of accumulated precipitation. In Riddle, during the entire year, the rain falls for 93.9 days and collects up to 7.64" (194mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in October is 11h and 1min.
On the first day of the month, sunrise is at 7:11 am and sunset at 6:53 pm. On the last day of October, sunrise is at 7:47 am and sunset at 6:06 pm PDT.

Sunshine

In October, the average sunshine is 5.8h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In October, a regular UV index of 3 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In Riddle, 63.5°F (17.5°C) is the average high-temperature and 40.8°F (4.9°C) is the average low-temperature during October. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 84.2°F (29°C).

What is the average humidity in October in Riddle?

The average relative humidity in October in Riddle is 76%.

How many days does it rain in October?

In Riddle, during October, the rain falls for 6.1 days and regularly aggregates up to 0.39" (10mm) of precipitation.

When it does not snow?

In Riddle, Oregon, snow does not fall in April through October.

Does it snow in October?

In Riddle, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Riddle have in October?

The average day length in October is 11h and 1min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 7:11 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:06 pm PDT.

How many hours of sunshine does Riddle have in October?

In October, the average sunshine duration is 5.8h.

What is the UV index reading in October in Riddle?

In Riddle, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Riddle, OR

Average temperature in October - Riddle, OR
  • Average high temperature in October: 63.5°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).

  • Average low temperature in October: 40.8°F

The month with the highest average low temperature is August (47.7°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).

Average pressure in October
Riddle, OR

Average pressure in October - Riddle, OR
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in October
Riddle, OR

Average wind speed in October - Riddle, OR
  • Average wind speed in October: 3.3mph

The windiest month (with the highest average wind speed) is January (4.1mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).

Average humidity in October
Riddle, OR

Average humidity in October - Riddle, OR
  • Average humidity in October: 76%

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (69%).

Average rainfall in October
Riddle, OR

Average rainfall in October - Riddle, OR
  • Average rainfall in October: 0.39"

The wettest months (with the highest rainfall) are January, February and December (1.1").
The driest months (with the least rainfall) are July and August (0.16").

Average rainfall days in October
Riddle, OR

Average rainfall days in October - Riddle, OR
  • Average rainfall days in October: 6.1 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (2.4 days).

Average snowfall in October
Riddle, OR

Average snowfall in October - Riddle, OR
  • Average snowfall in October: 0"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Riddle, OR

Average snowfall days in October - Riddle, OR
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (1.5 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
Riddle, OR

Average daylight in October / Average sunshine in October - Riddle, OR
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in October
Riddle, OR

Average sunshine days in October - Riddle, OR
  • Average sunshine days in October: 23.2 days

The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is March (16.1 days).

Average UV index in October
Riddle, OR

Average UV index in October - Riddle, 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
Riddle, OR

Average cloud cover in October - Riddle, OR
  • Average cloud cover in October: 41

The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in October
Riddle, OR

Average visibility in October - Riddle, OR
  • Average visibility in October: 4mi

The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).

Riddle, Oregon, USA

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