2025 Compare Climate & Weather:
Ames, IA vs Powell, WY

Highlights

On average, there are 215 sunny days per year in Powell. Ames averages 202 sunny days per year. The US average is 205 sunny days.

Powell, Wyoming gets 7 inches of rain, on average, per year. Ames, Iowa gets 35.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Powell averages 18.5 inches of snow per year. Ames averages 29.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Powell, Wyoming
Summer High: the July high is around 86.1 degrees
Winter Low: the January low is 8.2
Rain: averages 7 inches of rain a year
Snow: averages 18.5 inches of snow a year

Ames, Iowa
Summer High: the July high is around 84.1 degrees
Winter Low: the January low is 10.7
Rain: averages 35.7 inches of rain a year
Snow: averages 29.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Powell is 7.1 (10=best), which means it is one of the most pleasant places in Wyoming.

The annual BestPlaces Comfort Index for Ames is 6.9 (10=best), which means it is more comfortable than most places in Iowa.

Today's Weather - Ames, IA

58°F

Today's Weather - Powell, WY

36°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Ames / Powell

July is the hottest month for Ames with an average high temperature of 84.1°, which ranks it as about average compared to other places in Iowa. In Ames, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ames are September, June and August.

July is the hottest month for Powell with an average high temperature of 86.1°, which ranks it as about average compared to other places in Wyoming. In Powell, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Powell are June, September and August.

January has the coldest nighttime temperatures for Ames with an average of 10.7°. This is warmer than most places in Iowa.

January has the coldest nighttime temperatures for Powell with an average of 8.2°. This is colder than most places in Wyoming.

In Ames, there are 11.6 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.

In Powell, there are 22.0 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

In Ames, there are 145.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Powell, there are 183.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wyoming.

In Ames, there are 16.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

In Powell, there are 19.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Wyoming.

June is the wettest month in Ames with 5.1 inches of rain, and the driest month is January with 0.8 inches. The wettest season is Autumn with 41% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 35.7 inches in Ames means that it is about average compared to other places in Iowa.


May is the wettest month in Powell with 1.4 inches of rain, and the driest month is January with 0.2 inches. The wettest season is Autumn with 38% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 7.0 inches in Powell means that it is one of the driest places in Wyoming.

May is the rainiest month in Ames with 12.6 days of rain, and February is the driest month with only 6.4 rainy days. There are 108.7 rainy days annually in Ames, which is one of the rainiest places in Iowa. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 18% chance of a rainy day.

May is the rainiest month in Powell with 7.8 days of rain, and February is the driest month with only 2.4 rainy days. There are 53.6 rainy days annually in Powell, which is less rainy than most places in Wyoming. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 15% chance of a rainy day.

An annual snowfall of 29.6 inches in Ames means that it is about average compared to other places in Iowa.

An annual snowfall of 18.5 inches in Powell means that it is one of the least snowy places in Wyoming.

December is the snowiest month in Ames with 7.5 inches of snow, and 6 months of the year have significant snowfall.

March is the snowiest month in Powell with 3.7 inches of snow, and 7 months of the year have significant snowfall.