Portland, CO Climate


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United States / Colorado / No Metro Area / Ouray County / Portland / Zip Codes
Portland, CO has a mild climate due to its location in the southern part of the state. The average annual temperature is around 55°F and temperatures rarely exceed 80°F in the summer months. Winters are generally cool and wet with occasional snowfall. Rainfall is common throughout the year and can be quite heavy during certain times. Portland enjoys many sunny days each year which makes it a great place to enjoy outdoor activities like hiking, biking, kayaking, camping, and fishing.

Portland, Colorado gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Portland averages 75 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 244 sunny days per year in Portland. The US average is 205 sunny days.

Portland gets some kind of precipitation, on average, 78 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 83 degrees
Winter Low: the January low is 7
Rain: averages 16 inches of rain a year
Snow: averages 75 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Portland is 6.8 (10=best), which means it is less comfortable than most places in Colorado.

8.7 Summer - 4.8 Winter
June, August and July are the most pleasant months in Portland, while December and January are the least comfortable months.

  ClimatePortland, ColoradoUnited States
  16.0 in.38.1 in.
  74.5 in.27.8 in.
  77.8 days106.2 days
  244 days205 days
  83.2°85.8°
  6.6°21.7°
  6.87
  5.24.3
  7267 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 Portland with an average high temperature of 83.2°, which ranks it as cooler than most places in Colorado. In Portland, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portland are June, August and September.
In Portland, there are 3.3 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.
January has the coldest nighttime temperatures for Portland with an average of 6.6°. This is colder than most places in Colorado.
In Portland, there are 218.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Colorado.
In Portland, there are 22.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Colorado.
Humidity is very low in Portland, so low that the dry air may be uncomfortable for some people. There are few days during the year when the humidity is even noticable. A very dry climate can lead to cracked, itchy skin and dry eyes.
August is the wettest month in Portland with 2.0 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 29% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 16.0 inches in Portland means that it is about average compared to other places in Colorado.
August is the rainiest month in Portland with 9.6 days of rain, and June is the driest month with only 4.1 rainy days. There are 77.8 rainy days annually in Portland, which is about average compared to other places in Colorado. The rainiest season is Autumn when it rains 28% of the time and the driest is Spring with only a 22% chance of a rainy day.
An annual snowfall of 74.5 inches in Portland means that it is snowier than most places in Colorado. March is the snowiest month in Portland with 13.9 inches of snow, and 8 months of the year have significant snowfall.
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