2025 Compare Climate & Weather:
Harpers Ferry, IA vs New London, WI

Highlights

On average, there are 189 sunny days per year in New London. Harpers Ferry averages 195 sunny days per year. The US average is 205 sunny days.

New London, Wisconsin gets 32.3 inches of rain, on average, per year. Harpers Ferry, Iowa gets 34.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

New London averages 41.7 inches of snow per year. Harpers Ferry averages 35.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

New London, Wisconsin
Summer High: the July high is around 81.1 degrees
Winter Low: the January low is 6.9
Rain: averages 32.3 inches of rain a year
Snow: averages 41.7 inches of snow a year

Harpers Ferry, Iowa
Summer High: the July high is around 83.1 degrees
Winter Low: the January low is 9.2
Rain: averages 34.9 inches of rain a year
Snow: averages 35.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for New London is 6.6 (10=best), which means it is more comfortable than most places in Wisconsin.

The annual BestPlaces Comfort Index for Harpers Ferry is 6.8 (10=best), which means it is about average compared to other places in Iowa.

Today's Weather - Harpers Ferry, IA

71°F

Today's Weather - New London, WI

67°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Harpers Ferry / New London

July is the hottest month for Harpers Ferry with an average high temperature of 83.1°, which ranks it as cooler than most places in Iowa. In Harpers Ferry, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Harpers Ferry are June, August and September.

July is the hottest month for New London with an average high temperature of 81.1°, which ranks it as about average compared to other places in Wisconsin. In New London, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for New London are June, August and July.

January has the coldest nighttime temperatures for Harpers Ferry with an average of 9.2°. This is colder than most places in Iowa.

January has the coldest nighttime temperatures for New London with an average of 6.9°. This is about average compared to other places in Wisconsin.

In Harpers Ferry, there are 8.6 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.

In New London, there are 5.5 days annually when the high temperature is over 90°, which is about average compared to other places in Wisconsin.

In Harpers Ferry, there are 145.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In New London, there are 167.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Wisconsin.

In Harpers Ferry, there are 18.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Iowa.

In New London, there are 24.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Wisconsin.

June is the wettest month in Harpers Ferry with 4.8 inches of rain, and the driest month is February with 1.0 inches. The wettest season is Autumn with 39% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 34.9 inches in Harpers Ferry means that it is drier than most places in Iowa.


July is the wettest month in New London with 4.0 inches of rain, and the driest month is February with 1.1 inches. The wettest season is Autumn with 37% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 32.3 inches in New London means that it is drier than most places in Wisconsin.

May is the rainiest month in Harpers Ferry with 10.8 days of rain, and February is the driest month with only 5.6 rainy days. There are 97.0 rainy days annually in Harpers Ferry, which is less rainy than most places in Iowa. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 20% chance of a rainy day.

May is the rainiest month in New London with 11.1 days of rain, and February is the driest month with only 5.9 rainy days. There are 107.9 rainy days annually in New London, which is less rainy than most places in Wisconsin. The rainiest season is Autumn when it rains 28% of the time and the driest is Spring with only a 20% chance of a rainy day.

An annual snowfall of 35.3 inches in Harpers Ferry means that it is snowier than most places in Iowa.

An annual snowfall of 41.7 inches in New London means that it is less snowy than most places in Wisconsin.

December is the snowiest month in Harpers Ferry with 10.5 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in New London with 10.8 inches of snow, and 6 months of the year have significant snowfall.