2025 Compare Climate & Weather:
Fredericksburg, VA vs Islip, NY

Highlights

On average, there are 206 sunny days per year in Islip. Fredericksburg averages 195 sunny days per year. The US average is 205 sunny days.

Islip, New York gets 46.9 inches of rain, on average, per year. Fredericksburg, Virginia gets 43.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Islip averages 26.7 inches of snow per year. Fredericksburg averages 13 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Islip, New York
Summer High: the July high is around 82.4 degrees
Winter Low: the January low is 23.4
Rain: averages 46.9 inches of rain a year
Snow: averages 26.7 inches of snow a year

Fredericksburg, Virginia
Summer High: the July high is around 88.4 degrees
Winter Low: the January low is 23.6
Rain: averages 43.2 inches of rain a year
Snow: averages 13 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Fredericksburg is 7.3 (10=best), which means it is about average compared to other places in Virginia.

Today's Weather - Fredericksburg, VA

63°F

Today's Weather - Islip, NY

55°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Fredericksburg / Islip

July is the hottest month for Fredericksburg with an average high temperature of 88.4°, which ranks it as warmer than most places in Virginia. In Fredericksburg, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fredericksburg are May, September and June.

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

January has the coldest nighttime temperatures for Fredericksburg with an average of 23.6°. This is colder than most places in Virginia.

January has the coldest nighttime temperatures for Islip with an average of 23.4°. This is warmer than most places in New York.

In Fredericksburg, there are 35.6 days annually when the high temperature is over 90°, which is hotter than most places in Virginia.

In Islip, there are 5.9 days annually when the high temperature is over 90°, which is about average compared to other places in New York.

In Fredericksburg, there are 103.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.

In Islip, there are 96.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New York.

In Fredericksburg, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

In Islip, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New York.

July is the wettest month in Fredericksburg with 4.3 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Summer with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 43.2 inches in Fredericksburg means that it is about average compared to other places in Virginia.


April is the wettest month in Islip with 4.5 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 46.9 inches in Islip means that it is wetter than most places in New York.

May is the rainiest month in Fredericksburg with 11.6 days of rain, and October is the driest month with only 8.1 rainy days. There are 117.3 rainy days annually in Fredericksburg, which is rainier than most places in Virginia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

April is the rainiest month in Islip with 10.7 days of rain, and August is the driest month with only 7.9 rainy days. There are 111.7 rainy days annually in Islip, 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 Winter with only a 23% chance of a rainy day.

An annual snowfall of 13.0 inches in Fredericksburg means that it is about average compared to other places in Virginia.

An annual snowfall of 26.7 inches in Islip means that it is less snowy than most places in New York.

January is the snowiest month in Fredericksburg with 4.9 inches of snow, and 5 months of the year have significant snowfall.

February is the snowiest month in Islip with 8.0 inches of snow, and 6 months of the year have significant snowfall.