Sisters, Oregon 

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Climate in Sisters, Oregon

Sisters, Oregon gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Sisters averages 16 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 162 sunny days per year in Sisters. The US average is 205 sunny days.

Sisters gets some kind of precipitation, on average, 73 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 84 degrees
Winter Low: the January low is 23
Rain: averages 11 inches of rain a year
Snow: averages 16 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Sisters is 7.0 (10=best), which means it is less comfortable than most places in Oregon.

7 / 10
August, July and September are the most pleasant months in Sisters, while December and January are the least comfortable months.

Climate Averages
  Sisters, OregonUnited States
  11.4 in.38.1 in.
  16.1 in.27.8 in.
  72.8 days106.2 days
  162 days205 days
  84.2°85.8°
  23.2°21.7°
  77
  3.24.3
  3186 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 Sisters with an average high temperature of 84.2°, which ranks it as warmer than most places in Oregon. In Sisters, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sisters are September, June and August.


December has the coldest nighttime temperatures for Sisters with an average of 21.4°. This is colder than most places in Oregon.


In Sisters, there are 19.7 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.


In Sisters, there are 178.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Oregon.


In Sisters, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.


January is the wettest month in Sisters with 1.6 inches of rain, and the driest month is August with 0.4 inches. The wettest season is Spring with 37% of yearly precipitation and 15% occurs in Autumn, which is the driest season. The annual rainfall of 11.4 inches in Sisters means that it is one of the driest places in Oregon.


December is the rainiest month in Sisters with 9.1 days of rain, and August is the driest month with only 2.7 rainy days. There are 72.8 rainy days annually in Sisters, which is one of the least rainy places in Oregon. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 15% chance of a rainy day.


An annual snowfall of 16.1 inches in Sisters means that it is snowier than most places in Oregon. December is the snowiest month in Sisters with 4.8 inches of snow, and 5 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Sisters    4 Reviews
    Sisters OR - 4/1/2018
    Great if you like green... Read More

    Start Your Review of Sisters


    Sisters OR - 4/1/2018
    Bit damp decent comfort... Read More

    climate - 12/5/2009
    i do not like the climate its cold all the time and summer is to... Read More


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