2025 Compare Climate & Weather:
Lowell, MA vs Rolla, MO

Highlights

On average, there are 193 sunny days per year in Rolla. Lowell averages 203 sunny days per year. The US average is 205 sunny days.

Rolla, Missouri gets 46.4 inches of rain, on average, per year. Lowell, Massachusetts gets 47.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Rolla averages 12.8 inches of snow per year. Lowell averages 55.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Rolla, Missouri
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 20.8
Rain: averages 46.4 inches of rain a year
Snow: averages 12.8 inches of snow a year

Lowell, Massachusetts
Summer High: the July high is around 83.2 degrees
Winter Low: the January low is 15.7
Rain: averages 47.5 inches of rain a year
Snow: averages 55.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Rolla is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

The annual BestPlaces Comfort Index for Lowell is 6.8 (10=best), which means it is less comfortable than most places in Massachusetts.

Today's Weather - Lowell, MA

71°F

Today's Weather - Rolla, MO

67°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lowell / Rolla

July is the hottest month for Lowell with an average high temperature of 83.2°, which ranks it as one of the hottest places in Massachusetts. In Lowell, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lowell are June, August and September.

July is the hottest month for Rolla with an average high temperature of 88.1°, which ranks it as about average compared to other places in Missouri. In Rolla, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rolla are September, May and June.

January has the coldest nighttime temperatures for Lowell with an average of 15.7°. This is colder than most places in Massachusetts.

January has the coldest nighttime temperatures for Rolla with an average of 20.8°. This is about average compared to other places in Missouri.

In Lowell, there are 11.8 days annually when the high temperature is over 90°, which is one of the hottest places in Massachusetts.

In Rolla, there are 29.9 days annually when the high temperature is over 90°, which is cooler than most places in Missouri.

In Lowell, there are 135.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

In Rolla, there are 102.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In Lowell, there are 4.3 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.

In Rolla, there are 2.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Missouri.

October is the wettest month in Lowell with 4.4 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Winter with 26% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 47.5 inches in Lowell means that it is drier than most places in Massachusetts.


May is the wettest month in Rolla with 5.2 inches of rain, and the driest month is January with 2.4 inches. The wettest season is Summer with 29% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 46.4 inches in Rolla means that it is wetter than most places in Missouri.

May is the rainiest month in Lowell with 12.4 days of rain, and September is the driest month with only 9.0 rainy days. There are 128.3 rainy days annually in Lowell, 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 24% chance of a rainy day.

May is the rainiest month in Rolla with 12.6 days of rain, and September is the driest month with only 7.9 rainy days. There are 115.1 rainy days annually in Rolla, which is one of the rainiest places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 55.6 inches in Lowell means that it is one of the snowiest places in Massachusetts.

An annual snowfall of 12.8 inches in Rolla means that it is about average compared to other places in Missouri.

January is the snowiest month in Lowell with 16.8 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Rolla with 4.0 inches of snow, and 5 months of the year have significant snowfall.