October weather forecast
Wilsonville, OR

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A row of beautiful modern homes in a leafy suburb spot in Wilsonville, Oregon
A row of beautiful modern homes in a leafy suburb spot in Wilsonville, Oregon

Weather in October

October in Wilsonville, Oregon observes a rapid cooling as temperatures further drop, forecasting the advent of winter. The weather undergoes a change as longer nights and shorter days become more prominent. True to its Autumnal spirit, rainfall in October elevates to 3.15" (80mm), hinting towards the wetter, colder months ahead. Even though it is an overcast month with increasing humidity, October delivers a quintessential fall experience with its cool, crisp air and an atmosphere ready for pumpkin patches and hay rides.

Temperature

In Wilsonville, the average high-temperature in October decreases from an agreeable 73.2°F (22.9°C) in September to an enjoyable 61.3°F (16.3°C). An average low-temperature of 45°F (7.2°C) is common during the nights of October.

Humidity

In October, the average relative humidity is 76%.

Rainfall

In October, the rain falls for 15.8 days. Throughout October, 3.15" (80mm) of precipitation is accumulated. In Wilsonville, during the entire year, the rain falls for 173.8 days and collects up to 29.96" (761mm) of precipitation.

Snowfall

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

Daylight

In Wilsonville, the average length of the day in October is 10h and 56min.
On the first day of the month, sunrise is at 7:10 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:49 am and sunset at 5:59 pm PDT.

Sunshine

In October, the average sunshine is 5.5h.

UV index

In Wilsonville, 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 average individuals.
Note: The daily high UV index of 3 in October translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What are October temperatures?

The high-temperature, in October, in Wilsonville, records 61.3°F (16.3°C), while the low-temperature is 45°F (7.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in August is computed to be 84.2°F (29°C).

What is the average humidity in October?

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

How many days does it rain in October in Wilsonville?

In October, the rain falls for 15.8 days. Throughout October, 3.15" (80mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

Does it snow in October?

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

What is the average length of the day in October?

The average day length in October is 10h and 56min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:10 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:59 pm PDT.

How many hours of sunshine does Wilsonville have in October?

The average sunshine duration in October is 5.5h.

What is the UV index intensity in October?

In October, the average daily maximum UV index 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
Wilsonville, OR

Average temperature in October - Wilsonville, OR
  • Average high temperature in October: 61.3°F

The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in October: 45°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).

Average pressure in October
Wilsonville, OR

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in October
Wilsonville, OR

Average wind speed in October - Wilsonville, OR
  • Average wind speed in October: 4.7mph

The windiest months (with the highest average wind speed) are January and February (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in October
Wilsonville, OR

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

The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).

Average rainfall in October
Wilsonville, OR

Average rainfall in October - Wilsonville, OR
  • Average rainfall in October: 3.15"

The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.31").

Average rainfall days in October
Wilsonville, OR

Average rainfall days in October - Wilsonville, OR
  • Average rainfall days in October: 15.8 days

The month with the highest number of rainy days is March (20.9 days).
The months with the least rainy days are July and August (4.4 days).

Average snowfall in October
Wilsonville, OR

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

The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Wilsonville, OR

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

The month with the highest number of snowfall days is February (2.1 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
Wilsonville, OR

Average daylight in October / Average sunshine in October - Wilsonville, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in October
Wilsonville, OR

Average sunshine days in October - Wilsonville, OR
  • Average sunshine days in October: 13.9 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (8.3 days).

Average UV index in October
Wilsonville, OR

Average UV index in October - Wilsonville, 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
Wilsonville, OR

Average cloud cover in October - Wilsonville, OR
  • Average cloud cover in October: 42

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in October
Wilsonville, OR

Average visibility in October - Wilsonville, 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).

Wilsonville, Oregon, USA

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