October weather forecast
Monmouth, OR

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Weather in October

October, the same as September, is another comfortable autumn month in Monmouth, Oregon, with an average temperature varying between 44.1°F (6.7°C) and 61.7°F (16.5°C).

Temperature

Monmouth experiences a temperature shift at the start of October, with average high-temperatures adjusting from a moderately hot 73.8°F (23.2°C) in September to a comfortable 61.7°F (16.5°C). Monmouth cools down to an average low-temperature of 44.1°F (6.7°C) throughout the month of October.

Humidity

The average relative humidity in October is 79%.

Rainfall

In Monmouth, in October, it is raining for 12.4 days, with typically 0.87" (22mm) of accumulated precipitation. In Monmouth, during the entire year, the rain falls for 144.6 days and collects up to 10.04" (255mm) of precipitation.

Snowfall

In Monmouth, snow does not fall in April through November.

Daylight

In Monmouth, the average length of the day in October is 10h and 57min.
On the first day of October, sunrise is at 7:11 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 6:02 pm PDT.

Sunshine

The average sunshine in October is 5.4h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 3 in October interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. When the Sun is at its strongest around midday, find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

An average high-temperature, in October, in Monmouth, is 61.7°F (16.5°C) and the average low-temperature is 44.1°F (6.7°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in October?

In October, the average relative humidity is 79%.

How much does it rain in October?

In Monmouth, in October, during 12.4 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When it does not snow?

In Monmouth, Oregon, snow does not fall in April through November.

How many hours of daylight does Monmouth have in October?

In October, the average day length is 10h and 57min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 7:11 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 6:02 pm PDT.

How long on average sun shines in October?

In Monmouth, the average sunshine duration in October is 5.4h.

What is the UV index reading in October?

In Monmouth, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Monmouth, OR

Average temperature in October - Monmouth, OR
  • Average high temperature in October: 61.7°F

The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in October: 44.1°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

Average pressure in October
Monmouth, OR

Average pressure in October - Monmouth, 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
Monmouth, OR

Average wind speed in October - Monmouth, OR
  • Average wind speed in October: 4.5mph

The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in October
Monmouth, OR

Average humidity in October - Monmouth, OR
  • Average humidity in October: 79%

The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is August (68%).

Average rainfall in October
Monmouth, OR

Average rainfall in October - Monmouth, OR
  • Average rainfall in October: 0.87"

The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is July (0.12").

Average rainfall days in October
Monmouth, OR

Average rainfall days in October - Monmouth, OR
  • Average rainfall days in October: 12.4 days

The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (4 days).

Average snowfall in October
Monmouth, OR

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

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in October
Monmouth, OR

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

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
Monmouth, OR

Average daylight in October / Average sunshine in October - Monmouth, OR
  • Average daylight in October: 10h and 5min

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 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in October
Monmouth, OR

Average sunshine days in October - Monmouth, OR
  • Average sunshine days in October: 14.5 days

The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (9.7 days).

Average UV index in October
Monmouth, OR

Average UV index in October - Monmouth, OR
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Monmouth, OR

Average cloud cover in October - Monmouth, OR
  • Average cloud cover in October: 45

The months with the most cloud cover are February and March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in October
Monmouth, OR

Average visibility in October - Monmouth, OR
  • Average visibility in October: 5mi

The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

Monmouth, Oregon, USA

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