2025 Compare Climate & Weather:
Arnold, MO vs Prescott, AZ

Highlights

On average, there are 277 sunny days per year in Prescott. Arnold averages 203 sunny days per year. The US average is 205 sunny days.

Prescott, Arizona gets 15.9 inches of rain, on average, per year. Arnold, Missouri gets 43.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Prescott averages 12.5 inches of snow per year. Arnold averages 12.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Prescott, Arizona
Summer High: the July high is around 89.3 degrees
Winter Low: the January low is 25
Rain: averages 15.9 inches of rain a year
Snow: averages 12.5 inches of snow a year

Arnold, Missouri
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 22.6
Rain: averages 43.9 inches of rain a year
Snow: averages 12.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Prescott is 7.9 (10=best), which means it is one of the most pleasant places in Arizona.

The annual BestPlaces Comfort Index for Arnold is 7.3 (10=best), which means it is one of the most pleasant places in Missouri.

Today's Weather - Arnold, MO

59°F

Today's Weather - Prescott, AZ

47°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Arnold / Prescott

July is the hottest month for Arnold with an average high temperature of 88.3°, which ranks it as about average compared to other places in Missouri. In Arnold, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arnold are May, September and June.

July is the hottest month for Prescott with an average high temperature of 89.3°, which ranks it as cooler than most places in Arizona. In Prescott, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Prescott are May, September and October.

January has the coldest nighttime temperatures for Arnold with an average of 22.6°. This is warmer than most places in Missouri.

December has the coldest nighttime temperatures for Prescott with an average of 24.5°. This is colder than most places in Arizona.

In Arnold, there are 34.6 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.

In Prescott, there are 35.9 days annually when the high temperature is over 90°, which is cooler than most places in Arizona.

In Arnold, there are 92.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In Prescott, there are 120.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Arizona.

In Arnold, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Missouri.

In Prescott, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Arizona.

May is the wettest month in Arnold with 4.9 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Summer with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 43.9 inches in Arnold means that it is about average compared to other places in Missouri.


August is the wettest month in Prescott with 2.7 inches of rain, and the driest month is June with 0.3 inches. The wettest season is Autumn with 34% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 15.9 inches in Prescott means that it is wetter than most places in Arizona.

May is the rainiest month in Arnold with 10.6 days of rain, and September is the driest month with only 6.5 rainy days. There are 96.8 rainy days annually in Arnold, which is about average compared to other 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.

August is the rainiest month in Prescott with 9.9 days of rain, and June is the driest month with only 2.0 rainy days. There are 63.2 rainy days annually in Prescott, which is rainier than most places in Arizona. The rainiest season is Autumn when it rains 33% of the time and the driest is Summer with only a 20% chance of a rainy day.

An annual snowfall of 12.3 inches in Arnold means that it is less snowy than most places in Missouri.

An annual snowfall of 12.5 inches in Prescott means that it is snowier than most places in Arizona.

January is the snowiest month in Arnold with 3.7 inches of snow, and 5 months of the year have significant snowfall.

February is the snowiest month in Prescott with 3.9 inches of snow, and 6 months of the year have significant snowfall.