O Brien, OR Climate


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United States / Oregon / Grants Pass Metro Area / Josephine County / O Brien / Zip Codes
O'Brien, OR has a generally mild climate with warm summers and cool winters. The average high temperature in the summer months is around 80 degrees Fahrenheit and average lows drop down to around 45 degrees in the winter months. Precipitation is common throughout the year with an average of about 38 inches per year. O’Brien also experiences sun-filled days during most of the year with an average over 200 days of sunshine annually.

O'Brien, Oregon gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

O'Brien averages 7 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 194 sunny days per year in O'Brien. The US average is 205 sunny days.

O'Brien gets some kind of precipitation, on average, 104 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 92 degrees
Winter Low: the January low is 32
Rain: averages 44 inches of rain a year
Snow: averages 7 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for O'Brien is 7.3 (10=best), which means it is more comfortable than most places in Oregon.

8 Summer - 5.7 Winter
June, May and September are the most pleasant months in O'Brien, while December and January are the least comfortable months.

  ClimateO'Brien, OregonUnited States
  44.1 in.38.1 in.
  7.4 in.27.8 in.
  104.0 days106.2 days
  194 days205 days
  91.9°85.8°
  31.5°21.7°
  7.37
  3.24.3
  1417 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for O'Brien with an average high temperature of 91.9°, which ranks it as one of the hottest places in Oregon. In O'Brien, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for O'Brien are May, June and October.
In O'Brien, there are 60.3 days annually when the high temperature is over 90°, which is one of the hottest places in Oregon.
January has the coldest nighttime temperatures for O'Brien with an average of 31.5°. This is colder than most places in Oregon.
In O'Brien, there are 82.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.
In O'Brien, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oregon.
Humidity is low in O'Brien, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.
December is the wettest month in O'Brien with 9.0 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 51% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 44.1 inches in O'Brien means that it is wetter than most places in Oregon.
December is the rainiest month in O'Brien with 15.2 days of rain, and July is the driest month with only 1.5 rainy days. There are 104.0 rainy days annually in O'Brien, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 40% of the time and the driest is Autumn with only a 7% chance of a rainy day.
An annual snowfall of 7.4 inches in O'Brien means that it is snowier than most places in Oregon. January is the snowiest month in O'Brien with 2.5 inches of snow, and 4 months of the year have significant snowfall.
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