2025 Compare Climate & Weather:
Riverhead, NY vs West Brandywine, PA

Highlights

On average, there are 202 sunny days per year in West Brandywine. Riverhead averages 206 sunny days per year. The US average is 205 sunny days.

West Brandywine, Pennsylvania gets 48.6 inches of rain, on average, per year. Riverhead, New York gets 47.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

West Brandywine averages 28.3 inches of snow per year. Riverhead averages 28.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

West Brandywine, Pennsylvania
Summer High: the July high is around 84.8 degrees
Winter Low: the January low is 20.5
Rain: averages 48.6 inches of rain a year
Snow: averages 28.3 inches of snow a year

Riverhead, New York
Summer High: the July high is around 82.2 degrees
Winter Low: the January low is 22.5
Rain: averages 47.4 inches of rain a year
Snow: averages 28.7 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for West Brandywine is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.

The annual BestPlaces Comfort Index for Riverhead is 7.2 (10=best), which means it is more comfortable than most places in New York.

Today's Weather - Riverhead, NY

55°F

Today's Weather - West Brandywine, PA

61°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Riverhead / West Brandywine

July is the hottest month for Riverhead with an average high temperature of 82.2°, which ranks it as warmer than most places in New York. In Riverhead, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Riverhead are June, August and September.

July is the hottest month for West Brandywine with an average high temperature of 84.8°, which ranks it as warmer than most places in Pennsylvania. In West Brandywine, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for West Brandywine are September, June and August.

January has the coldest nighttime temperatures for Riverhead with an average of 22.5°. This is warmer than most places in New York.

January has the coldest nighttime temperatures for West Brandywine with an average of 20.5°. This is warmer than most places in Pennsylvania.

In Riverhead, there are 5.1 days annually when the high temperature is over 90°, which is about average compared to other places in New York.

In West Brandywine, there are 12.9 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Riverhead, there are 108.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New York.

In West Brandywine, there are 118.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Riverhead, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New York.

In West Brandywine, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

April is the wettest month in Riverhead with 4.6 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Summer with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.4 inches in Riverhead means that it is wetter than most places in New York.


September is the wettest month in West Brandywine with 4.7 inches of rain, and the driest month is February with 3.2 inches. The wettest season is Winter with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 48.6 inches in West Brandywine means that it is one of the wettest places in Pennsylvania.

April is the rainiest month in Riverhead with 10.9 days of rain, and August is the driest month with only 7.8 rainy days. There are 111.5 rainy days annually in Riverhead, which is one of the least rainy places in New York. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 23% chance of a rainy day.

May is the rainiest month in West Brandywine with 12.0 days of rain, and September is the driest month with only 9.0 rainy days. There are 125.2 rainy days annually in West Brandywine, which is less rainy than most places in Pennsylvania. 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.

An annual snowfall of 28.7 inches in Riverhead means that it is less snowy than most places in New York.

An annual snowfall of 28.3 inches in West Brandywine means that it is about average compared to other places in Pennsylvania.

February is the snowiest month in Riverhead with 8.7 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in West Brandywine with 10.1 inches of snow, and 6 months of the year have significant snowfall.