Portland, IN Climate


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United States / Indiana / No Metro Area / Jay County / Portland / Zip Codes
Portland, IN has a humid continental climate with cold winters and warm summers. Winters often bring snowfall, while summers are usually hot and humid. Spring and fall tend to be short-lived with quick transition between the two seasons. The average temperature in the winter is around 32°F (0°C) and in the summer it averages around 77°F (25°C). Precipitation levels are quite high in Portland, averaging around 43 inches (109 cm) per year.

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

Portland averages 20 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 179 sunny days per year in Portland. The US average is 205 sunny days.

Portland gets some kind of precipitation, on average, 118 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 18
Rain: averages 38 inches of rain a year
Snow: averages 20 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Portland is 7.1 (10=best), which means it is more comfortable than most places in Indiana.

9 Summer - 4.9 Winter
June, September and August are the most pleasant months in Portland, while January and December are the least comfortable months.

  ClimatePortland, IndianaUnited States
  38.3 in.38.1 in.
  20.2 in.27.8 in.
  117.5 days106.2 days
  179 days205 days
  83.7°85.8°
  17.5°21.7°
  7.17
  3.54.3
  906 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 83.7°, which ranks it as cooler than most places in Indiana. In Portland, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portland are September, June and August.
In Portland, there are 10.8 days annually when the high temperature is over 90°, which is cooler than most places in Indiana.
January has the coldest nighttime temperatures for Portland with an average of 17.5°. This is colder than most places in Indiana.
In Portland, there are 124.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Indiana.
In Portland, there are 7.3 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Indiana.
The humidity is usually comfortable in Portland but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.
July is the wettest month in Portland with 4.5 inches of rain, and the driest month is February with 2.0 inches. The wettest season is Autumn with 32% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 38.3 inches in Portland means that it is one of the driest places in Indiana.
May is the rainiest month in Portland with 12.6 days of rain, and September is the driest month with only 7.4 rainy days. There are 117.5 rainy days annually in Portland, which is about average compared to other places in Indiana. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.
An annual snowfall of 20.2 inches in Portland means that it is about average compared to other places in Indiana. January is the snowiest month in Portland with 6.1 inches of snow, and 5 months of the year have significant snowfall.
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