2025 Compare Climate & Weather:
Manhattan, IL vs Seabrook, NH

Highlights

On average, there are 201 sunny days per year in Seabrook. Manhattan averages 186 sunny days per year. The US average is 205 sunny days.

Seabrook, New Hampshire gets 50.2 inches of rain, on average, per year. Manhattan, Illinois gets 39.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Seabrook averages 59.9 inches of snow per year. Manhattan averages 29 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Seabrook, New Hampshire
Summer High: the July high is around 82.4 degrees
Winter Low: the January low is 14.3
Rain: averages 50.2 inches of rain a year
Snow: averages 59.9 inches of snow a year

Manhattan, Illinois
Summer High: the July high is around 84 degrees
Winter Low: the January low is 16
Rain: averages 39.2 inches of rain a year
Snow: averages 29 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Seabrook is 6.8 (10=best), which means it is one of the most pleasant places in New Hampshire.

The annual BestPlaces Comfort Index for Manhattan is 6.9 (10=best), which means it is less comfortable than most places in Illinois.

Today's Weather - Manhattan, IL

66°F

Today's Weather - Seabrook, NH

46°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Manhattan / Seabrook

July is the hottest month for Manhattan with an average high temperature of 84.0°, which ranks it as cooler than most places in Illinois. In Manhattan, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Manhattan are September, June and August.

July is the hottest month for Seabrook with an average high temperature of 82.4°, which ranks it as one of the hottest places in New Hampshire. In Seabrook, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seabrook are June, August and July.

January has the coldest nighttime temperatures for Manhattan with an average of 16.0°. This is about average compared to other places in Illinois.

January has the coldest nighttime temperatures for Seabrook with an average of 14.3°. This is one of the warmest places in New Hampshire.

In Manhattan, there are 12.4 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Seabrook, there are 9.7 days annually when the high temperature is over 90°, which is one of the hottest places in New Hampshire.

In Manhattan, there are 121.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.

In Seabrook, there are 149.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Hampshire.

In Manhattan, there are 7.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

In Seabrook, there are 6.3 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in New Hampshire.

July is the wettest month in Manhattan with 4.6 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 33% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 39.2 inches in Manhattan means that it is about average compared to other places in Illinois.


March is the wettest month in Seabrook with 4.9 inches of rain, and the driest month is February with 3.5 inches. The wettest season is Summer with 28% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 50.2 inches in Seabrook means that it is one of the wettest places in New Hampshire.

May is the rainiest month in Manhattan with 11.2 days of rain, and September is the driest month with only 7.6 rainy days. There are 115.2 rainy days annually in Manhattan, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

May is the rainiest month in Seabrook with 11.9 days of rain, and September is the driest month with only 9.0 rainy days. There are 127.0 rainy days annually in Seabrook, which is less rainy than most places in New Hampshire. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.

An annual snowfall of 29.0 inches in Manhattan means that it is snowier than most places in Illinois.

An annual snowfall of 59.9 inches in Seabrook means that it is less snowy than most places in New Hampshire.

January is the snowiest month in Manhattan with 9.0 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Seabrook with 17.9 inches of snow, and 6 months of the year have significant snowfall.