2025 Compare Climate & Weather:
Harvard, IL vs Tucson, AZ

Highlights

On average, there are 286 sunny days per year in Tucson. Harvard averages 191 sunny days per year. The US average is 205 sunny days.

Tucson, Arizona gets 12.3 inches of rain, on average, per year. Harvard, Illinois gets 36.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Tucson averages 0.4 inches of snow per year. Harvard averages 31.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Tucson, Arizona
Summer High: the July high is around 100.2 degrees
Winter Low: the January low is 38.7
Rain: averages 12.3 inches of rain a year
Snow: averages 0.4 inches of snow a year

Harvard, Illinois
Summer High: the July high is around 83.6 degrees
Winter Low: the January low is 11.9
Rain: averages 36.2 inches of rain a year
Snow: averages 31.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Tucson is 7.5 (10=best), which means it is about average compared to other places in Arizona.

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

Today's Weather - Harvard, IL

58°F

Today's Weather - Tucson, AZ

74°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Harvard / Tucson

July is the hottest month for Harvard with an average high temperature of 83.6°, which ranks it as cooler than most places in Illinois. In Harvard, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Harvard are June, September and August.

June is the hottest month for Tucson with an average high temperature of 100.5°, which ranks it as warmer than most places in Arizona. In Tucson, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tucson are March, November and April.

January has the coldest nighttime temperatures for Harvard with an average of 11.9°. This is one of the coldest places in Illinois.

December has the coldest nighttime temperatures for Tucson with an average of 38.0°. This is warmer than most places in Arizona.

In Harvard, there are 12.2 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Tucson, there are 149.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Harvard, there are 141.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Illinois.

In Tucson, there are 17.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Harvard, there are 13.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.

In Tucson, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Arizona.

August is the wettest month in Harvard with 4.4 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 35% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 36.2 inches in Harvard means that it is one of the driest places in Illinois.


August is the wettest month in Tucson with 2.4 inches of rain, and the driest month is May with 0.2 inches. The wettest season is Autumn with 40% of yearly precipitation and 11% occurs in Summer, which is the driest season. The annual rainfall of 12.3 inches in Tucson means that it is about average compared to other places in Arizona.

May is the rainiest month in Harvard with 11.8 days of rain, and February is the driest month with only 7.4 rainy days. There are 114.5 rainy days annually in Harvard, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

August is the rainiest month in Tucson with 9.5 days of rain, and June is the driest month with only 1.4 rainy days. There are 51.5 rainy days annually in Tucson, which is about average compared to other places in Arizona. The rainiest season is Autumn when it rains 38% of the time and the driest is Summer with only a 15% chance of a rainy day.

An annual snowfall of 31.8 inches in Harvard means that it is snowier than most places in Illinois.

An annual snowfall of 0.4 inches in Tucson means that it is about average compared to other places in Arizona.

January is the snowiest month in Harvard with 9.3 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Tucson with 0.2 inches of snow, and no months of the year have significant snowfall.