Dauphin Island, AL Climate

Dauphin Island, AL is known for its warm climate. It has a humid subtropical climate with hot and humid summers and mild winters. The average summer temperature is around 81°F while the average winter temperature can get as low as 45°F. Rainfall is abundant throughout the year, especially during the summer months when thunderstorms are common. With its coastal location, it's also prone to hurricanes and tropical storms that bring heavy winds and rains.

Dauphin Island, Alabama gets 64 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dauphin Island averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 218 sunny days per year in Dauphin Island. The US average is 205 sunny days.

Dauphin Island gets some kind of precipitation, on average, 111 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 89 degrees
Winter Low: the January low is 42
Rain: averages 64 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Dauphin Island is 7.1 (10=best), which means it is one of the least comfortable places in Alabama.

4.1 Summer - 7.8 Winter

April, October and November are the most pleasant months in Dauphin Island, while August and July are the least comfortable months.

Climate	Dauphin Island, Alabama	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	218 days	Unlock
	88.9°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	7 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Dauphin Island with an average high temperature of 88.9°, which ranks it as one of the coolest places in Alabama. In Dauphin Island, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dauphin Island are October, April and May.

In Dauphin Island, there are 29.4 days annually when the high temperature is over 90°, which is one of the coolest places in Alabama.

January has the coldest nighttime temperatures for Dauphin Island with an average of 41.5°. This is one of the warmest places in Alabama.

In Dauphin Island, there are 16.9 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Alabama.

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

Humidity in Dauphin Island can be oppressive in the summer, but pleasant for much of the year. The humidity here has been described as stifling in August and July. The humid season extends from May-October and the most comfortable months are November-April.

August is the wettest month in Dauphin Island with 7.2 inches of rain, and the driest month is October with 4.1 inches. The wettest season is Autumn with 31% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 64.2 inches in Dauphin Island means that it is one of the wettest places in Alabama.

August is the rainiest month in Dauphin Island with 13.0 days of rain, and April is the driest month with only 6.4 rainy days. There are 111.2 rainy days annually in Dauphin Island, which is rainier than most places in Alabama. The rainiest season is Autumn when it rains 32% of the time and the driest is Summer with only a 20% chance of a rainy day.

There is rarely any recorded snowfall in Dauphin Island, ranking it as one of the least snowy places in Alabama. Any measurable snowfall is a rare occurance in Dauphin Island.

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