Granby, CT Climate

Granby, Connecticut experiences four distinct seasons throughout the year. Summers in Granby are typically warm and humid with daytime temperatures averaging in the mid 70s and occasional heat waves reaching into the 90s. Winters are cold with lows usually dropping below freezing, and occasional snowfall, although snow is not as frequent as other areas of Connecticut. Spring and fall provide moderate temperatures with highs around 60 and lows in the 40s. The yearly precipitation for Granby averages around forty-two inches per year, mostly coming from rain storms during spring through fall months.

Granby, Connecticut gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Granby averages 40 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 190 sunny days per year in Granby. The US average is 205 sunny days.

Granby gets some kind of precipitation, on average, 119 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 15
Rain: averages 49 inches of rain a year
Snow: averages 40 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Granby is 6.9 (10=best), which means it is less comfortable than most places in Connecticut.

9.1 Summer - 4.8 Winter

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

Climate	Granby, Connecticut	United States
	49.2 in.	38.1 in.
	40.4 in.	27.8 in.
	118.6 days	106.2 days
	190 days	205 days
	83.0°	85.8°
	15.1°	21.7°
	6.9	7
	3.3	4.3
	213 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 Granby with an average high temperature of 83.0°, which ranks it as about average compared to other places in Connecticut. In Granby, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Granby are June, August and September.

In Granby, there are 9.5 days annually when the high temperature is over 90°, which is hotter than most places in Connecticut.

January has the coldest nighttime temperatures for Granby with an average of 15.1°. This is colder than most places in Connecticut.

In Granby, there are 140.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Connecticut.

In Granby, there are 4.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Connecticut.

The humidity is usually comfortable in Granby but some summer days can be muggy. July is the most humid month, though it is still relatively mild compared to many other places. The most humid months are July, August and June.

October is the wettest month in Granby with 4.8 inches of rain, and the driest month is February with 3.2 inches. The wettest season is Winter with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 49.2 inches in Granby means that it is drier than most places in Connecticut.

May is the rainiest month in Granby with 11.7 days of rain, and February is the driest month with only 8.9 rainy days. There are 118.6 rainy days annually in Granby, which is about average compared to other places in Connecticut. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 40.4 inches in Granby means that it is snowier than most places in Connecticut. January is the snowiest month in Granby with 12.2 inches of snow, and 6 months of the year have significant snowfall.