2025 Compare Climate & Weather:
Sunriver, OR vs Sisters, OR

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Highlights

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

Sisters, Oregon gets 11.4 inches of rain, on average, per year. Sunriver, Oregon gets 17.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sisters averages 16.1 inches of snow per year. Sunriver averages 49.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sisters, Oregon
Summer High: the July high is around 84.2 degrees
Winter Low: the January low is 23.2
Rain: averages 11.4 inches of rain a year
Snow: averages 16.1 inches of snow a year

Sunriver, Oregon
Summer High: the July high is around 81.9 degrees
Winter Low: the January low is 20.9
Rain: averages 17.7 inches of rain a year
Snow: averages 49.4 inches of snow a year

BestPlaces Comfort Index

Sisters

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.

Sunriver

The annual BestPlaces Comfort Index for Sunriver is 6.7 (10=best), which means it is one of the least comfortable places in Oregon.

6.7 / 10

August, July and September are the most pleasant months in Sunriver, while December and January are the least comfortable months.

Average Monthly High / Low (°F)

Month	Sunriver, OR	Sisters, OR
January	39° / 21°	41° / 23°
February	43° / 22°	45° / 24°
March	49° / 26°	52° / 27°
April	56° / 28°	58° / 30°
May	64° / 35°	66° / 36°
June	72° / 40°	74° / 41°
July	82° / 44°	84° / 46°
August	81° / 43°	84° / 45°
September	74° / 36°	75° / 38°
October	62° / 29°	63° / 32°
November	46° / 25°	48° / 27°
December	37° / 20°	40° / 21°

Hot, Freezing, Rainy, Snowy Days: Sunriver / Sisters

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	28 / 26	11 / 9	6 / 3
February	0 / 0	25 / 23	10 / 7	5 / 3
March	0 / 0	27 / 23	9 / 7	4 / 1
April	0 / 0	23 / 19	9 / 7	1 / 1
May	0 / 0	12 / 11	7 / 7	0 / 0
June	1 / 1	4 / 3	6 / 5	0 / 0
July	5 / 9	1 / 1	3 / 3	0 / 0
August	5 / 8	1 / 1	3 / 3	0 / 0
September	1 / 2	9 / 6	4 / 3	0 / 0
October	0 / 0	21 / 17	6 / 5	0 / 0
November	0 / 0	24 / 22	11 / 8	4 / 2
December	0 / 0	28 / 27	12 / 9	7 / 4

July is the hottest month for Sunriver with an average high temperature of 81.9°, which ranks it as about average compared to other places in Oregon. In Sunriver, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sunriver are August, July and September.

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 Sunriver with an average of 20.0°. This is one of the coldest places in Oregon.

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

In Sunriver, there are 11.3 days annually when the high temperature is over 90°, which is cooler 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 Sunriver, there are 202.1 days annually when the nighttime low temperature falls below freezing, which is one of the coldest 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 Sunriver, there are 3.4 days annually when the nighttime low temperature falls below zero°, 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.

December is the wettest month in Sunriver with 3.1 inches of rain, and the driest month is August with 0.6 inches. The wettest season is Spring with 42% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 17.7 inches in Sunriver means that it is drier 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 Sunriver with 11.7 days of rain, and August is the driest month with only 3.0 rainy days. There are 88.6 rainy days annually in Sunriver, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 13% chance of a rainy day.

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 49.4 inches in Sunriver means that it is one of the snowiest places in Oregon.

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 Sunriver with 13.7 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Sisters with 4.8 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Sunriver 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

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NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

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Reviews for Sisters 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

Start Your Review of Sisters

See all reviews

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2025 Compare Climate & Weather:
Sunriver, OR vs Sisters, OR

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sunriver / Sisters

December has the coldest nighttime temperatures for Sunriver with an average of 20.0°. This is one of the coldest places in Oregon.

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

In Sunriver, there are 11.3 days annually when the high temperature is over 90°, which is cooler 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 Sunriver, there are 202.1 days annually when the nighttime low temperature falls below freezing, which is one of the coldest 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 Sunriver, there are 3.4 days annually when the nighttime low temperature falls below zero°, 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.

An annual snowfall of 49.4 inches in Sunriver means that it is one of the snowiest places in Oregon.

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 Sunriver with 13.7 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Sisters with 4.8 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Sunriver 2 Reviews

Reviews for Sisters 2 Reviews

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2025 Compare Climate & Weather:Sunriver, OR vs Sisters, OR

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sunriver / Sisters

December has the coldest nighttime temperatures for Sunriver with an average of 20.0°. This is one of the coldest places in Oregon.December has the coldest nighttime temperatures for Sisters with an average of 21.4°. This is colder than most places in Oregon.

In Sunriver, there are 11.3 days annually when the high temperature is over 90°, which is cooler 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 Sunriver, there are 202.1 days annually when the nighttime low temperature falls below freezing, which is one of the coldest 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 Sunriver, there are 3.4 days annually when the nighttime low temperature falls below zero°, 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.

An annual snowfall of 49.4 inches in Sunriver means that it is one of the snowiest places in Oregon.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 Sunriver with 13.7 inches of snow, and 7 months of the year have significant snowfall.December is the snowiest month in Sisters with 4.8 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Sunriver 2 Reviews

Reviews for Sisters 2 Reviews

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2025 Compare Climate & Weather:
Sunriver, OR vs Sisters, OR

December has the coldest nighttime temperatures for Sunriver with an average of 20.0°. This is one of the coldest places in Oregon.

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

In Sunriver, there are 11.3 days annually when the high temperature is over 90°, which is cooler 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 Sunriver, there are 202.1 days annually when the nighttime low temperature falls below freezing, which is one of the coldest 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 Sunriver, there are 3.4 days annually when the nighttime low temperature falls below zero°, 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.

An annual snowfall of 49.4 inches in Sunriver means that it is one of the snowiest places in Oregon.

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 Sunriver with 13.7 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Sisters with 4.8 inches of snow, and 5 months of the year have significant snowfall.