October weather forecast
Heppner, OR

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Weather in October

October, like September, is another mild autumn month in Heppner, Oregon, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 58.6°F (14.8°C).

Temperature

With October's onset, the average high-temperature recedes from September's agreeable 72.7°F (22.6°C) to a moderate 58.6°F (14.8°C). During October, Heppner's temperature averages to a chilly 43.3°F (6.3°C) at night.

Humidity

The average relative humidity in October in Heppner is 60%.

Rainfall

In Heppner, in October, during 12.4 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, in Heppner, there are 131.9 rainfall days, and 13.54" (344mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Heppner, in October, during 0.3 snowfall days, 0.04" (1mm) of snow is typically accumulated. In Heppner, during the entire year, snow falls for 31.3 days and aggregates up to 18.54" (471mm) of snow.

Daylight

In Heppner, the average length of the day in October is 10h and 56min.
On the first day of the month, sunrise is at 6:57 am and sunset at 6:37 pm. On the last day of October, in Heppner, sunrise is at 7:37 am and sunset at 5:46 pm PDT.

Sunshine

In Heppner, the average sunshine in October is 6.7h.

UV index

In October, the average daily maximum UV index in Heppner is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In October, a regular UV index of 3 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are October temperatures in Heppner?

The high-temperature during October is 58.6°F (14.8°C) and the low-temperature is 43.3°F (6.3°C).

What is the average humidity in October in Heppner?

The average relative humidity in October in Heppner, Oregon, is 60%.

How much does it rain in Heppner in October?

In October, the rain falls for 12.4 days. Throughout October, 1.18" (30mm) of precipitation is accumulated.

How much does it snow in Heppner in October?

In Heppner, in October, during 0.3 snowfall days, 0.04" (1mm) of snow is typically accumulated.

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

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

When are sunrise and sunset in October in Heppner?

On the first day of October, sunrise is at 6:57 am and sunset at 6:37 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:46 pm PDT.

How long on average sun shines in October in Heppner?

In October, the average sunshine duration is 6.7h.

How high is the UV index in October in Heppner?

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

Average temperature in October - Heppner, OR
  • Average high temperature in October: 58.6°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in October: 43.3°F

The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).

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Average pressure in October
Heppner, OR

Average pressure in October - Heppner, OR
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

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Average wind speed in October
Heppner, OR

Average wind speed in October - Heppner, OR
  • Average wind speed in October: 7.4mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is September (7.2mph).

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Average humidity in October
Heppner, OR

Average humidity in October - Heppner, OR
  • Average humidity in October: 60%

The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (39%).

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Average rainfall in October
Heppner, OR

Average rainfall in October - Heppner, OR
  • Average rainfall in October: 1.18"

The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in October
Heppner, OR

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

The month with the highest number of rainy days is March (17 days).
The month with the least rainy days is August (4.1 days).

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Average snowfall in October
Heppner, OR

Average snowfall in October - Heppner, OR
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Heppner, OR

Average snowfall days in October - Heppner, OR
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is December (9.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Heppner, 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: 6h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 5h and 18min).

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Average sunshine days in October
Heppner, OR

Average sunshine days in October - Heppner, OR
  • Average sunshine days in October: 17.6 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (9.5 days).

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Average UV index in October
Heppner, OR

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

The month with the highest UV index is July (UV index 7).
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
Heppner, OR

Average cloud cover in October - Heppner, OR
  • Average cloud cover in October: 30

The months with the most cloud cover are January and February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in October
Heppner, OR

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

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

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Heppner, Oregon, USA

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