October weather forecast
Summerville, OR

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Weather in October

October, the same as September, in Summerville, Oregon, is another mild autumn month, with an average temperature fluctuating between 36.7°F (2.6°C) and 56.3°F (13.5°C).

Temperature

In Summerville, stepping into October signifies a significant temperature decrement, moving down from September's pleasant 71.6°F (22°C) to a mild 56.3°F (13.5°C). Summerville temperatures generally rest at a low of 36.7°F (2.6°C) during the October nights.

Humidity

In Summerville, the average relative humidity in October is 66%.

Rainfall

In Summerville, in October, it is raining for 12 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 137.5 rainfall days, and 20.94" (532mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Summerville, in October, snow falls for 1.1 days, with typically accumulated 0.67" (17mm) of snow. In Summerville, Oregon, during the entire year, snow falls for 68.6 days and aggregates up to 52.4" (1331mm) of snow.

Daylight

In Summerville, the average length of the day in October is 10h and 55min.
On the first day of October, sunrise is at 6:51 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:39 pm PDT.

Sunshine

In Summerville, the average sunshine in October is 7.2h.

UV index

In Summerville, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 3 in October transforms into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

In October, the average high-temperature and low-temperature are 56.3°F (13.5°C) and 36.7°F (2.6°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 82.4°F (28°C).

What is the average humidity in October?

In October, the average relative humidity is 66%.

How much does it rain in October?

In October, the rain falls for 12 days. Throughout October, 1.54" (39mm) of precipitation is accumulated.

How many days does it snow in October?

In Summerville, Oregon, in October, snow falls for 1.1 days, with typically accumulated 0.67" (17mm) of snow.

What is the average length of the day in October?

In October, the average day length is 10h and 55min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 6:51 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:39 pm PDT.

How many hours of sunshine does Summerville have in October?

In Summerville, the average sunshine duration in October is 7.2h.

What is the UV index reading in October?

In Summerville, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from 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
Summerville, OR

Average temperature in October - Summerville, OR
  • Average high temperature in October: 56.3°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 (33.8°F).

  • Average low temperature in October: 36.7°F

The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (21°F).

Average pressure in October
Summerville, OR

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

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in October
Summerville, OR

Average wind speed in October - Summerville, OR
  • Average wind speed in October: 5.2mph

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in October
Summerville, OR

Average humidity in October - Summerville, OR
  • Average humidity in October: 66%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (47%).

Average rainfall in October
Summerville, OR

Average rainfall in October - Summerville, OR
  • Average rainfall in October: 1.54"

The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in October
Summerville, OR

Average rainfall days in October - Summerville, OR
  • Average rainfall days in October: 12 days

The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (4.3 days).

Average snowfall in October
Summerville, OR

Average snowfall in October - Summerville, OR
  • Average snowfall in October: 0.67"

The month with the highest snowfall is February (13.62").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Summerville, OR

Average snowfall days in October - Summerville, OR
  • Average snowfall days in October: 1.1 days

The months with the highest number of snowfall days are February and December (14.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Summerville, 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: 7h and 1min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in October
Summerville, OR

Average sunshine days in October - Summerville, OR
  • Average sunshine days in October: 18 days

The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is March (7.6 days).

Average UV index in October
Summerville, OR

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in October
Summerville, OR

Average cloud cover in October - Summerville, OR
  • Average cloud cover in October: 31

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in October
Summerville, OR

Average visibility in October - Summerville, OR
  • Average visibility in October: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).

Summerville, Oregon, USA

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