2025 Compare Climate & Weather:
Union City, MI vs Merritt Island, FL

Highlights

On average, there are 237 sunny days per year in Merritt Island. Union City averages 173 sunny days per year. The US average is 205 sunny days.

Merritt Island, Florida gets 53.3 inches of rain, on average, per year. Union City, Michigan gets 36.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Merritt Island averages 0 inches of snow per year. Union City averages 50.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Union City, Michigan
Summer High: the July high is around 82.1 degrees
Winter Low: the January low is 16.8
Rain: averages 36.2 inches of rain a year
Snow: averages 50.7 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Union City is 6.7 (10=best), which means it is more comfortable than most places in Michigan.

Today's Weather - Union City, MI

55°F

Today's Weather - Merritt Island, FL

73°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Union City / Merritt Island

July is the hottest month for Union City with an average high temperature of 82.1°, which ranks it as about average compared to other places in Michigan. In Union City, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Union City are June, August and July.

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.

January has the coldest nighttime temperatures for Union City with an average of 16.8°. This is warmer than most places in Michigan.

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.

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

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 Union City, there are 134.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Michigan.

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 Union City, there are 5.4 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Michigan.

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.

May is the wettest month in Union City with 4.1 inches of rain, and the driest month is February with 1.7 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 36.2 inches in Union City means that it is wetter than most places in Michigan.


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.

December is the rainiest month in Union City with 13.3 days of rain, and July is the driest month with only 9.8 rainy days. There are 133.0 rainy days annually in Union City, which is rainier than most places in Michigan. The rainiest season is Spring when it rains 27% of the time and the driest is Autumn with only a 23% chance of a rainy day.

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.

An annual snowfall of 50.7 inches in Union City means that it is about average compared to other places in Michigan.

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

January is the snowiest month in Union City with 14.4 inches of snow, and 6 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Merritt Island.