Washington County, RI Climate

Washington, RI County has a humid continental climate. Summers are generally warm and humid, with temperatures ranging from the high 70s to the mid 80s Fahrenheit. Winters are cold and snowy, with temperatures often dropping below 0°F. The spring and fall seasons tend to be mild with temperatures ranging from the mid 40s to the low 60s Fahrenheit. Precipitation is common throughout the year with average annual rainfall of around 42 inches. Snowfall occurs mainly in winter months with an average of around 35 inches annually.

Washington County, Rhode Island gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Washington County averages 30 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Washington County. The US average is 205 sunny days.

Washington County 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 81 degrees
Winter Low: the January low is 20
Rain: averages 51 inches of rain a year
Snow: averages 30 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Washington County is 7.1 (10=best), which means it is one of the most pleasant places in Rhode Island.

9.1 Summer - 5.3 Winter

June, August and July are the most pleasant months in Washington County, while January and February are the least comfortable months.

Climate	Washington, Rhode Island	United States
	50.6 in.	38.1 in.
	29.6 in.	27.8 in.
	118.3 days	106.2 days
	206 days	205 days
	80.5°	85.8°
	19.5°	21.7°
	7.1	7
	3.6	4.3
	146 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 Washington County with an average high temperature of 80.5°, which ranks it as cooler than most places in Rhode Island. In Washington County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Washington County are August, June and July.

In Washington County, there are 3.0 days annually when the high temperature is over 90°, which is cooler than most places in Rhode Island.

January has the coldest nighttime temperatures for Washington County with an average of 19.5°. This is warmer than most places in Rhode Island.

In Washington County, there are 126.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Rhode Island.

In Washington County, there are 2.3 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Rhode Island.

The humidity is usually comfortable in Washington County 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.

March is the wettest month in Washington County with 5.3 inches of rain, and the driest month is July with 3.5 inches. The wettest season is Summer with 27% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 50.6 inches in Washington County means that it is about average compared to other places in Rhode Island.

May is the rainiest month in Washington County with 11.6 days of rain, and July is the driest month with only 8.8 rainy days. There are 118.3 rainy days annually in Washington County, which is less rainy than most places in Rhode Island. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 29.6 inches in Washington County means that it is less snowy than most places in Rhode Island. January is the snowiest month in Washington County with 8.5 inches of snow, and 6 months of the year have significant snowfall.

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