Hamilton, MA Climate


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Hamilton, MA is a town located in the Merrimack Valley of Massachusetts. The climate in Hamilton is typically mild and humid with hot, muggy summers and cold, windy winters. Summers are generally warm and sunny with average temperatures ranging from the mid-70s to low-90s Fahrenheit. Winters are cold with temperatures ranging from the low-20s to low-30s Fahrenheit. Precipitation is evenly distributed throughout the year, typically receiving over 40 inches of rain per year as well as occasional snowfall during the winter months.

Hamilton, Massachusetts gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Hamilton averages 44 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 201 sunny days per year in Hamilton. The US average is 205 sunny days.

Hamilton gets some kind of precipitation, on average, 114 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 80 degrees
Winter Low: the January low is 18
Rain: averages 48 inches of rain a year
Snow: averages 44 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Hamilton is 6.9 (10=best), which means it is about average compared to other places in Massachusetts.

9.3 Summer - 4.9 Winter
August, July and June are the most pleasant months in Hamilton, while January and February are the least comfortable months.

  ClimateHamilton, MassachusettsUnited States
  48.4 in.38.1 in.
  43.6 in.27.8 in.
  113.7 days106.2 days
  201 days205 days
  79.9°85.8°
  18.1°21.7°
  6.97
  3.24.3
  46 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 Hamilton with an average high temperature of 79.9°, which ranks it as cooler than most places in Massachusetts. In Hamilton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hamilton are August, July and June.
In Hamilton, there are 5.0 days annually when the high temperature is over 90°, which is cooler than most places in Massachusetts.
January has the coldest nighttime temperatures for Hamilton with an average of 18.1°. This is about average compared to other places in Massachusetts.
In Hamilton, there are 128.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Massachusetts.
In Hamilton, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Massachusetts.
Humidity in Hamilton is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.
March is the wettest month in Hamilton with 5.1 inches of rain, and the driest month is August with 3.4 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 48.4 inches in Hamilton means that it is wetter than most places in Massachusetts.
May is the rainiest month in Hamilton with 11.1 days of rain, and February is the driest month with only 7.9 rainy days. There are 113.7 rainy days annually in Hamilton, which is less rainy than most places in Massachusetts. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.
An annual snowfall of 43.6 inches in Hamilton means that it is about average compared to other places in Massachusetts. January is the snowiest month in Hamilton with 13.4 inches of snow, and 6 months of the year have significant snowfall.
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