2025 Compare Climate & Weather:
Phoenix, AZ vs Galveston, TX

Highlights

On average, there are 203 sunny days per year in Galveston. Phoenix averages 299 sunny days per year. The US average is 205 sunny days.

Galveston, Texas gets 49.5 inches of rain, on average, per year. Phoenix, Arizona gets 9.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Galveston averages 0.1 inches of snow per year. Phoenix averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Galveston, Texas
Summer High: the July high is around 89.7 degrees
Winter Low: the January low is 45.9
Rain: averages 49.5 inches of rain a year
Snow: averages 0.1 inches of snow a year

Phoenix, Arizona
Summer High: the July high is around 104.5 degrees
Winter Low: the January low is 43.2
Rain: averages 9.2 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Galveston is 6.7 (10=best), which means it is less comfortable than most places in Texas.

The annual BestPlaces Comfort Index for Phoenix is 7.3 (10=best), which means it is less comfortable than most places in Arizona.

Today's Weather - Phoenix, AZ

91°F

Today's Weather - Galveston, TX

76°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Phoenix / Galveston

July is the hottest month for Phoenix with an average high temperature of 104.5°, which ranks it as warmer than most places in Arizona. In Phoenix, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Phoenix are March, November and April.

August is the hottest month for Galveston with an average high temperature of 90.2°, which ranks it as one of the coolest places in Texas. In Galveston, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Galveston are October, April and May.

December has the coldest nighttime temperatures for Phoenix with an average of 42.2°. This is one of the warmest places in Arizona.

January has the coldest nighttime temperatures for Galveston with an average of 45.9°. This is warmer than most places in Texas.

In Phoenix, there are 163.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Galveston, there are 44.5 days annually when the high temperature is over 90°, which is one of the coolest places in Texas.

In Phoenix, there are 3.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Galveston, there are 4.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Texas.

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

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

August is the wettest month in Phoenix with 1.1 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 35% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 9.2 inches in Phoenix means that it is drier than most places in Arizona.


September is the wettest month in Galveston with 6.1 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Winter with 31% of yearly precipitation and 20% occurs in Summer, which is the driest season. The annual rainfall of 49.5 inches in Galveston means that it is wetter than most places in Texas.

August is the rainiest month in Phoenix with 4.0 days of rain, and June is the driest month with only 0.4 rainy days. There are 33.1 rainy days annually in Phoenix, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 34% of the time and the driest is Summer with only a 20% chance of a rainy day.

January is the rainiest month in Galveston with 9.9 days of rain, and April is the driest month with only 6.0 rainy days. There are 101.0 rainy days annually in Galveston, which is one of the rainiest places in Texas. The rainiest season is Spring when it rains 28% of the time and the driest is Summer with only a 20% chance of a rainy day.

There is rarely any recorded snowfall in Phoenix, ranking it as one of the least snowy places in Arizona.

An annual snowfall of 0.1 inches in Galveston means that it is less snowy than most places in Texas.

Any measurable snowfall is a rare occurance in Phoenix.

December is the snowiest month in Galveston with 0.1 inches of snow, and no months of the year have significant snowfall.