2025 Compare Climate & Weather:
Merritt Island, FL vs Clarksville, TN

Highlights

On average, there are 210 sunny days per year in Clarksville. Merritt Island averages 237 sunny days per year. The US average is 205 sunny days.

Clarksville, Tennessee gets 51 inches of rain, on average, per year. Merritt Island, Florida gets 53.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Clarksville averages 4.7 inches of snow per year. Merritt Island averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Clarksville, Tennessee
Summer High: the July high is around 89.4 degrees
Winter Low: the January low is 26.5
Rain: averages 51 inches of rain a year
Snow: averages 4.7 inches of snow a year

Merritt Island, Florida
Summer High: the July high is around 90.4 degrees
Winter Low: the January low is 49.4
Rain: averages 53.3 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Merritt Island is 7.0 (10=best), which means it is more comfortable than most places in Florida.

Today's Weather - Merritt Island, FL

74°F

Today's Weather - Clarksville, TN

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Merritt Island / Clarksville

July is the hottest month for Merritt Island with an average high temperature of 90.4°, which ranks it as cooler than most places in Florida. In Merritt Island, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Merritt Island are November, April and March.

July is the hottest month for Clarksville with an average high temperature of 89.4°, which ranks it as warmer than most places in Tennessee. In Clarksville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Clarksville are May, September and October.

January has the coldest nighttime temperatures for Merritt Island with an average of 49.4°. This is about average compared to other places in Florida.

January has the coldest nighttime temperatures for Clarksville with an average of 26.5°. This is about average compared to other places in Tennessee.

In Merritt Island, there are 59.0 days annually when the high temperature is over 90°, which is cooler than most places in Florida.

In Clarksville, there are 42.0 days annually when the high temperature is over 90°, which is hotter than most places in Tennessee.

In Merritt Island, there are 2.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Florida.

In Clarksville, there are 81.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Tennessee.

In Merritt Island, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Florida.

In Clarksville, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.

August is the wettest month in Merritt Island with 7.7 inches of rain, and the driest month is January with 2.4 inches. The wettest season is Autumn with 40% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 53.3 inches in Merritt Island means that it is about average compared to other places in Florida.


May is the wettest month in Clarksville with 5.8 inches of rain, and the driest month is August with 3.1 inches. The wettest season is Summer with 29% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 51.0 inches in Clarksville means that it is drier than most places in Tennessee.

August is the rainiest month in Merritt Island with 14.7 days of rain, and April is the driest month with only 5.7 rainy days. There are 115.3 rainy days annually in Merritt Island, which is rainier than most places in Florida. The rainiest season is Autumn when it rains 36% of the time and the driest is Summer with only a 18% chance of a rainy day.

May is the rainiest month in Clarksville with 11.6 days of rain, and August is the driest month with only 7.4 rainy days. There are 117.0 rainy days annually in Clarksville, which is about average compared to other places in Tennessee. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 22% chance of a rainy day.

There is rarely any recorded snowfall in Merritt Island, ranking it as one of the least snowy places in Florida.

An annual snowfall of 4.7 inches in Clarksville means that it is snowier than most places in Tennessee.

Any measurable snowfall is a rare occurance in Merritt Island.

February is the snowiest month in Clarksville with 1.9 inches of snow, and 4 months of the year have significant snowfall.