The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Dillon, MT vs Corvallis, OR

2025 Compare Climate & Weather:
Dillon, MT vs Corvallis, OR

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Highlights

On average, there are 159 sunny days per year in Corvallis. Dillon averages 181 sunny days per year. The US average is 205 sunny days.

Corvallis, Oregon gets 51.4 inches of rain, on average, per year. Dillon, Montana gets 10.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Corvallis averages 5.4 inches of snow per year. Dillon averages 20.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Corvallis, Oregon
Summer High: the July high is around 81.6 degrees
Winter Low: the January low is 34.1
Rain: averages 51.4 inches of rain a year
Snow: averages 5.4 inches of snow a year

Dillon, Montana
Summer High: the July high is around 83.4 degrees
Winter Low: the January low is 12.2
Rain: averages 10.6 inches of rain a year
Snow: averages 20.7 inches of snow a year

BestPlaces Comfort Index
Corvallis

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

7.3 / 10
July, August and September are the most pleasant months in Corvallis, while December and January are the least comfortable months.

Dillon

The annual BestPlaces Comfort Index for Dillon is 6.8 (10=best), which means it is more comfortable than most places in Montana.

6.8 / 10
July, August and June are the most pleasant months in Dillon, while December and January are the least comfortable months.

Average Monthly High / Low (°F)
MonthDillon, MTCorvallis, OR
January35° / 12°47° / 34°
February39° / 14°51° / 35°
March48° / 22°56° / 37°
April56° / 28°61° / 40°
May65° / 36°67° / 44°
June74° / 43°73° / 49°
July83° / 47°82° / 52°
August82° / 45°82° / 52°
September72° / 38°77° / 48°
October58° / 29°65° / 42°
November43° / 19°53° / 38°
December32° / 11°46° / 34°
Hot, Freezing, Rainy, Snowy Days: Dillon / Corvallis
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 030 / 123 / 213 / 1
February0 / 027 / 93 / 173 / 1
March0 / 028 / 55 / 193 / 0
April0 / 021 / 17 / 172 / 0
May0 / 09 / 010 / 131 / 0
June1 / 11 / 09 / 90 / 0
July6 / 50 / 07 / 30 / 0
August3 / 61 / 07 / 30 / 0
September0 / 17 / 05 / 70 / 0
October0 / 019 / 15 / 131 / 0
November0 / 026 / 55 / 202 / 0
December0 / 030 / 134 / 203 / 1
July is the hottest month for Dillon with an average high temperature of 83.4°, which ranks it as cooler than most places in Montana. In Dillon, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dillon are August, June and July.

August is the hottest month for Corvallis with an average high temperature of 82.4°, which ranks it as about average compared to other places in Oregon. In Corvallis, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Corvallis are September, July and August.
December has the coldest nighttime temperatures for Dillon with an average of 10.5°. This is colder than most places in Montana.

December has the coldest nighttime temperatures for Corvallis with an average of 33.8°. This is about average compared to other places in Oregon.

In Dillon, there are 10.2 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

In Corvallis, there are 12.4 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Dillon, there are 198.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Montana.

In Corvallis, there are 45.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Dillon, there are 17.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.

In Corvallis, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oregon.

May is the wettest month in Dillon with 2.0 inches of rain, and the driest month is February with 0.2 inches. The wettest season is Autumn with 39% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 10.6 inches in Dillon means that it is one of the driest places in Montana.


December is the wettest month in Corvallis with 9.3 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 45% of yearly precipitation and 5% occurs in Autumn, which is the driest season. The annual rainfall of 51.4 inches in Corvallis means that it is wetter than most places in Oregon.

May is the rainiest month in Dillon with 10.1 days of rain, and January is the driest month with only 3.2 rainy days. There are 69.8 rainy days annually in Dillon, which is less rainy than most places in Montana. The rainiest season is Summer when it rains 33% of the time and the driest is Spring with only a 15% chance of a rainy day.

January is the rainiest month in Corvallis with 20.5 days of rain, and July is the driest month with only 3.3 rainy days. There are 161.8 rainy days annually in Corvallis, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 10% chance of a rainy day.

An annual snowfall of 20.7 inches in Dillon means that it is one of the least snowy places in Montana.

An annual snowfall of 5.4 inches in Corvallis means that it is snowier than most places in Oregon.
December is the snowiest month in Dillon with 3.6 inches of snow, and 8 months of the year have significant snowfall.

February is the snowiest month in Corvallis with 2.5 inches of snow, and 3 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 Dillon    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 Dillon

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Reviews for Corvallis    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 Corvallis

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Zips In Dillon, Montana
59725
Zips In CORVALLIS, OREGON
97330, 97333, 97331
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