West Dennis, MA Climate


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West Dennis, MA is located on the southern coast of Massachusetts in Barnstable County. It has a humid continental climate and experiences warm summers and cold winters with moderate precipitation throughout the year. The average high temperature in July is 75°F and the average low temperature in January is 22°F. West Dennis also receives approximately 45 inches of rainfall annually. The coastal location provides cooling sea breezes during hot summer months, helping to balance out temperatures and humidity levels.

West Dennis, Massachusetts gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.

West Dennis averages 24 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 205 sunny days per year in West Dennis. The US average is 205 sunny days.

West Dennis gets some kind of precipitation, on average, 106 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 79 degrees
Winter Low: the January low is 23
Rain: averages 46 inches of rain a year
Snow: averages 24 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for West Dennis is 7.1 (10=best), which means it is one of the most pleasant places in Massachusetts.

9.2 Summer - 5.4 Winter
June, September and August are the most pleasant months in West Dennis, while January and February are the least comfortable months.

  ClimateWest Dennis, MassachusettsUnited States
  46.3 in.38.1 in.
  23.8 in.27.8 in.
  106.2 days106.2 days
  205 days205 days
  78.9°85.8°
  22.6°21.7°
  7.17
  3.44.3
  7 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 West Dennis with an average high temperature of 78.9°, which ranks it as cooler than most places in Massachusetts. In West Dennis, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for West Dennis are August, July and June.
In West Dennis, there are 1.3 days annually when the high temperature is over 90°, which is cooler than most places in Massachusetts.
January has the coldest nighttime temperatures for West Dennis with an average of 22.6°. This is one of the warmest places in Massachusetts.
In West Dennis, there are 102.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Massachusetts.
In West Dennis, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Massachusetts.
The humidity is usually comfortable in West Dennis 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 West Dennis with 4.7 inches of rain, and the driest month is July with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 46.3 inches in West Dennis means that it is drier than most places in Massachusetts.
December is the rainiest month in West Dennis with 10.9 days of rain, and July is the driest month with only 7.0 rainy days. There are 106.2 rainy days annually in West Dennis, which is less rainy than most places in Massachusetts. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 21% chance of a rainy day.
An annual snowfall of 23.8 inches in West Dennis means that it is one of the least snowy places in Massachusetts. February is the snowiest month in West Dennis with 8.4 inches of snow, and 5 months of the year have significant snowfall.
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