October weather forecast
Petersburg, OR

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Weather in October

October, the same as September, in Petersburg, Oregon, is another refreshing autumn month, with an average temperature ranging between min 42.4°F (5.8°C) and max 57.9°F (14.4°C).

Temperature

The beginning of October involves a decrease in the average high-temperature, transitioning from an agreeable 71.6°F (22°C) in September to a mild 57.9°F (14.4°C). Petersburg's nighttime temperature during October is consistently averaged at an icy 42.4°F (5.8°C).

Humidity

In October, the average relative humidity is 69%.

Rainfall

In Petersburg, during October, the rain falls for 13.1 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Petersburg, during the entire year, the rain falls for 133.5 days and collects up to 16.93" (430mm) of precipitation.

Snowfall

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

Daylight

In October, the average length of the day is 10h and 55min.
On the first day of October, sunrise is at 7:03 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:51 pm PDT.

Sunshine

The average sunshine in October is 6.3h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 3 during October leads to these advisories:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

What is the usual temperature for Petersburg in October?

The average high-temperature, in October, in Petersburg, is 57.9°F (14.4°C), while the average low-temperature is 42.4°F (5.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 82.4°F (28°C).

What is the average humidity in October?

In Petersburg, the average relative humidity in October is 69%.

How many days does it rain in October?

In Petersburg, in October, it is raining for 13.1 days, with typically 1.61" (41mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall in Petersburg.

Does it snow in October?

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

How many hours of daylight does Petersburg have in October?

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

When is the sunrise / sunset in October in Petersburg?

On the first day of October, sunrise is at 7:03 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:51 pm PDT.

How long on average sun shines in October?

In Petersburg, the average sunshine duration in October is 6.3h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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
Petersburg, OR

Average temperature in October - Petersburg, OR
  • Average high temperature in October: 57.9°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (37°F).

  • Average low temperature in October: 42.4°F

The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).

Average pressure in October
Petersburg, OR

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

Average wind speed in October
Petersburg, OR

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

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).

Average humidity in October
Petersburg, OR

Average humidity in October - Petersburg, OR
  • Average humidity in October: 69%

The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).

Average rainfall in October
Petersburg, OR

Average rainfall in October - Petersburg, OR
  • Average rainfall in October: 1.61"

The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in October
Petersburg, OR

Average rainfall days in October - Petersburg, OR
  • Average rainfall days in October: 13.1 days

The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).

Average snowfall in October
Petersburg, OR

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

The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Petersburg, OR

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

The month with the highest number of snowfall days is December (4.4 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
Petersburg, OR

Average daylight in October / Average sunshine in October - Petersburg, 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 2min

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

Average sunshine days in October
Petersburg, OR

Average sunshine days in October - Petersburg, OR
  • Average sunshine days in October: 15.9 days

The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).

Average UV index in October
Petersburg, OR

Average UV index in October - Petersburg, 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
Petersburg, OR

Average cloud cover in October - Petersburg, OR
  • Average cloud cover in October: 32

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in October
Petersburg, OR

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

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

Petersburg, Oregon, USA

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