October weather forecast
Keizer, OR

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Weather in October

October delivers a fully-fledged autumnal climate in Keizer, Oregon, characterized by cool breezes and colorful foliage. The rainfall picks up the pace, registering at a noticeable 2.4" (61mm). The leaves start to turn into shades of orange, yellow, and red, aligning with the archetypal autumn appearance. Prominent features such as pumpkin patches and apple picking sessions paint a comprehensive picture of a pristine fall scene. More frequent rainfall and dip in temperature add to the charm of this transition phase.

Temperature

Onset of October in Keizer comes with a temperature decline, the average high falling from a warm 74.7°F (23.7°C) in September to a comfortable 62.2°F (16.8°C). During the nights in October, the temperature averages to a chilly 45.3°F (7.4°C).

Humidity

In October, the average relative humidity is 77%.

Rainfall

In Keizer, during October, the rain falls for 15.1 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 162.5 rainfall days, and 25.08" (637mm) of precipitation is accumulated.

Snowfall

In Keizer, snow does not fall in April through October.

Daylight

In October, the average length of the day in Keizer is 10h and 56min.
On the first day of October, sunrise is at 7:11 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 6:01 pm PDT.

Sunshine

In October, the average sunshine is 5.5h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard 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:
Undertake precautions - Guarding against sun damage is counselled. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What are October temperatures in Keizer?

The high-temperature, in October, in Keizer, records 62.2°F (16.8°C), while the low-temperature is 45.3°F (7.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What is the average humidity in October?

The average relative humidity in October is 77%.

How much does it rain in October?

In October, the rain falls for 15.1 days. Throughout October, 2.4" (61mm) of precipitation is accumulated.

When it does not snow?

In Keizer, snow does not fall in April through October.

Does it snow in October?

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

How many hours of daylight does Keizer have in October?

In Keizer, the average day length in October is 10h and 56min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:11 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 6:01 pm PDT.

How many hours of sunshine does Keizer have in October?

The average sunshine duration in October is 5.5h.

How high is the UV index in October?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Keizer, OR

Average temperature in October - Keizer, OR
  • Average high temperature in October: 62.2°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in October: 45.3°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).

Average pressure in October
Keizer, OR

Average pressure in October - Keizer, 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
Keizer, OR

Average wind speed in October - Keizer, OR
  • Average wind speed in October: 4.9mph

The windiest months (with the highest average wind speed) are January, March and November (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in October
Keizer, OR

Average humidity in October - Keizer, OR
  • Average humidity in October: 77%

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (65%).

Average rainfall in October
Keizer, OR

Average rainfall in October - Keizer, OR
  • Average rainfall in October: 2.4"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in October
Keizer, OR

Average rainfall days in October - Keizer, OR
  • Average rainfall days in October: 15.1 days

The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is July (3.9 days).

Average snowfall in October
Keizer, OR

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

The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Keizer, OR

Average snowfall days in October - Keizer, 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 April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in October: 5h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in October
Keizer, OR

Average sunshine days in October - Keizer, OR
  • Average sunshine days in October: 14.8 days

The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is March (8.8 days).

Average UV index in October
Keizer, OR

Average UV index in October - Keizer, 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
Keizer, OR

Average cloud cover in October - Keizer, 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
Keizer, OR

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

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

Keizer, Oregon, USA

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