October weather forecast
Gresham, OR

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The fall colors in the trees and the fields around a beautiful house in Gresham, Oregon
The fall colors in the trees and the fields around a beautiful house in Gresham, Oregon

Weather in October

October’s weather in Gresham witnesses the city fully transitioning into autumn. The temperature difference between October and September, dropping from an average of 73°F (22.8°C) to 61°F (16.1°C), is quite noticeable. Cooler weather starts to manifest in the city with the arrival of frequent rain showers. As we approach November, weather conditions become harsher, with temperatures dropping further along with a substantial increase in rainfall.

Temperature

With the onset of October, Gresham experiences a modest temperature adjustment, with the average high-temperature receding from an agreeable 73°F (22.8°C) in September to a refreshing 61°F (16.1°C). In Gresham, the October nights cool down to an average low of 44.8°F (7.1°C).

Humidity

In Gresham, the average relative humidity in October is 75%.

Rainfall

In Gresham, in October, during 15 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Gresham, Oregon, during the entire year, the rain falls for 165.6 days and collects up to 34.65" (880mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Gresham, the average length of the day in October is 10h and 55min.
On the first day of October, sunrise is at 7:09 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:57 pm PDT.

Sunshine

The average sunshine in October is 5.5h.

UV index

In Gresham, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, the UV index of 3 transforms into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What is the usual temperature for Gresham in October?

In Gresham, in October, the average high-temperature is 61°F (16.1°C), and the average low-temperature is 44.8°F (7.1°C).

What is the average humidity in October in Gresham?

The average relative humidity in October in Gresham, Oregon, is 75%.

How many days does it rain in October in Gresham?

In Gresham, in October, during 15 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

When it does not snow in Gresham?

April through October are months without snowfall.

Does it snow in Gresham in October?

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

What is the average length of the day in October in Gresham?

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

What time are sunrise and sunset in October in Gresham?

In October, on the first day of the month, sunrise is at 7:09 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:57 pm PDT.

How long on average sun shines in October in Gresham?

In October, the average sunshine duration is 5.5h.

What is the UV index intensity in October in Gresham?

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

Average temperature in October - Gresham, OR
  • Average high temperature in October: 61°F

The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in October: 44.8°F

The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).

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Average pressure in October
Gresham, OR

Average pressure in October - Gresham, 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).

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Average wind speed in October
Gresham, OR

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

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in October
Gresham, OR

Average humidity in October - Gresham, OR
  • Average humidity in October: 75%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in October
Gresham, OR

Average rainfall in October - Gresham, OR
  • Average rainfall in October: 3.7"

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in October
Gresham, OR

Average rainfall days in October - Gresham, OR
  • Average rainfall days in October: 15 days

The month with the highest number of rainy days is March (19.3 days).
The month with the least rainy days is August (4.4 days).

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Average snowfall in October
Gresham, OR

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

The month with the highest snowfall is March (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in October
Gresham, OR

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

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in October / Average sunshine in October - Gresham, 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 months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).

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Average sunshine days in October
Gresham, OR

Average sunshine days in October - Gresham, OR
  • Average sunshine days in October: 15.2 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (9.7 days).

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Average UV index in October
Gresham, OR

Average UV index in October - Gresham, 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).

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Average cloud cover in October
Gresham, OR

Average cloud cover in October - Gresham, 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 24).

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Average visibility in October
Gresham, OR

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

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

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Gresham, Oregon, USA

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