Zip 45770 (Portland, OH) Climate

The climate in 45770 Portland, OH is generally mild with warm summers and cold winters. The average yearly temperature is around 51 degrees Fahrenheit. The coolest months tend to be January and February with temperatures reaching down into the twenties, while July and August are typically the hottest months of the year with temperatures climbing up to seventy-five degrees on average. Precipitation is experienced throughout the year but tends to be more frequent during the spring months. Snowfall in Portland can vary considerably from year to year but typically will range between five and ten inches annually.

Portland (zip 45770), Ohio gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Portland (zip 45770) averages 13 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 176 sunny days per year in Portland (zip 45770). The US average is 205 sunny days.

Portland (zip 45770) gets some kind of precipitation, on average, 125 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 85 degrees
Winter Low: the January low is 21
Rain: averages 42 inches of rain a year
Snow: averages 13 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 45770 zip code is 7.2 (10=best), which means it is one of the most pleasant places in Ohio.

8.6 Summer - 5.3 Winter

September, June and August are the most pleasant months in the 45770 zip code, while January and February are the least comfortable months.

Climate	Portland, Ohio	United States
	Unlock	38.1 in.
	13.1 in.	Unlock
	Unlock	106.2 days
	176 days	Unlock
	85.2°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	665 ft.	Unlock

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 the 45770 zip code with an average high temperature of 85.2°, which ranks it as warmer than most places in Ohio. In the 45770 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 45770 zip code are September, May and June.

In the 45770 zip code, there are 16.9 days annually when the high temperature is over 90°, which is hotter than most places in Ohio.

January has the coldest nighttime temperatures for the 45770 zip code with an average of 20.5°. This is warmer than most places in Ohio.

In the 45770 zip code, there are 124.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Ohio.

In the 45770 zip code, there are 3.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Ohio.

The humidity is usually comfortable in the 45770 zip code 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.

May is the wettest month in the 45770 zip code with 4.3 inches of rain, and the driest month is January with 3.0 inches. The wettest season is Autumn with 28% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 41.9 inches in the 45770 zip code means that it is wetter than most places in Ohio.

May is the rainiest month in the 45770 zip code with 12.3 days of rain, and September is the driest month with only 7.5 rainy days. There are 124.7 rainy days annually in the 45770 zip code, which is less rainy than most places in Ohio. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 13.1 inches in the 45770 zip code means that it is one of the least snowy places in Ohio. January is the snowiest month in the 45770 zip code with 4.7 inches of snow, and 4 months of the year have significant snowfall.

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