South Lancaster, MA Climate


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South Lancaster, MA has a typical New England climate with warm summers and cold winters. The area gets an average of 43 inches of precipitation per year, with most of it falling between April and October. Summers are generally mild to hot, with temperatures ranging from the low-60s°F (17°C) in the morning to the high 80s°F (30°C) during the day. Winters are cold and wet, with temperatures reaching down into the teens°F (-10°C), though snowfall is not heavy in this region. Spring and fall offer pleasant weather and a variety of colors as foliage changes throughout the season.

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

South Lancaster averages 47 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 199 sunny days per year in South Lancaster. The US average is 205 sunny days.

South Lancaster gets some kind of precipitation, on average, 128 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 48 inches of rain a year
Snow: averages 47 inches of snow a year


Bestplaces Comfort Index

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

9.2 Summer - 4.7 Winter
August, July and June are the most pleasant months in South Lancaster, while January and February are the least comfortable months.

  ClimateSouth Lancaster, MassachusettsUnited States
  48.4 in.38.1 in.
  47.3 in.27.8 in.
  127.8 days106.2 days
  199 days205 days
  83.1°85.8°
  15.1°21.7°
  6.97
  3.34.3
  279 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 South Lancaster with an average high temperature of 83.1°, which ranks it as warmer than most places in Massachusetts. In South Lancaster, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for South Lancaster are June, August and September.
In South Lancaster, there are 11.5 days annually when the high temperature is over 90°, which is one of the hottest places in Massachusetts.
January has the coldest nighttime temperatures for South Lancaster with an average of 15.1°. This is colder than most places in Massachusetts.
In South Lancaster, there are 141.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.
In South Lancaster, there are 4.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.
Humidity in South Lancaster 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.
October is the wettest month in South Lancaster with 4.5 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Summer with 26% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 48.4 inches in South Lancaster means that it is wetter than most places in Massachusetts.
May is the rainiest month in South Lancaster with 12.5 days of rain, and September is the driest month with only 8.9 rainy days. There are 127.8 rainy days annually in South Lancaster, which is rainier than most places in Massachusetts. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.
An annual snowfall of 47.3 inches in South Lancaster means that it is snowier than most places in Massachusetts. January is the snowiest month in South Lancaster with 14.3 inches of snow, and 6 months of the year have significant snowfall.
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