Zip 40171 (Union Star, KY) Climate

40171 Union Star, KY has a humid subtropical climate with hot and humid summers and mild winters. The average temperature in the summer months can reach up to 90°F, while the winter temperatures tend to stay around 45°F. Precipitation is fairly consistent throughout the year, with the most rainfall occurring from April to June. Overall, it's generally warm and wet all year round in 40171 Union Star, KY.

Union Star (zip 40171), Kentucky gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Union Star (zip 40171) averages 7 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Union Star (zip 40171). The US average is 205 sunny days.

Union Star (zip 40171) gets some kind of precipitation, on average, 114 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 87 degrees
Winter Low: the January low is 23
Rain: averages 50 inches of rain a year
Snow: averages 7 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 40171 zip code is 7.3 (10=best), which means it is one of the most pleasant places in Kentucky.

7.8 Summer - 5.7 Winter

September, May and October are the most pleasant months in the 40171 zip code, while January and December are the least comfortable months.

Climate	Union Star, Kentucky	United States
	49.5 in.	38.1 in.
	7.4 in.	27.8 in.
	113.7 days	106.2 days
	197 days	205 days
	87.2°	85.8°
	23.2°	21.7°
	7.3	7
	4.1	4.3
	600 ft.	2443 ft.

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 the 40171 zip code with an average high temperature of 87.2°, which ranks it as about average compared to other places in Kentucky. In the 40171 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 40171 zip code are May, September and June.

In the 40171 zip code, there are 24.8 days annually when the high temperature is over 90°, which is about average compared to other places in Kentucky.

January has the coldest nighttime temperatures for the 40171 zip code with an average of 23.2°. This is colder than most places in Kentucky.

In the 40171 zip code, there are 100.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Kentucky.

In the 40171 zip code, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Kentucky.

The humidity can be uncomfortably heavy or close in the 40171 zip code during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in the 40171 zip code.

May is the wettest month in the 40171 zip code with 5.7 inches of rain, and the driest month is September with 3.3 inches. The wettest season is Summer with 30% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 49.5 inches in the 40171 zip code means that it is wetter than most places in Kentucky.

May is the rainiest month in the 40171 zip code with 11.7 days of rain, and August is the driest month with only 7.3 rainy days. There are 113.7 rainy days annually in the 40171 zip code, which is about average compared to other places in Kentucky. 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.

An annual snowfall of 7.4 inches in the 40171 zip code means that it is less snowy than most places in Kentucky. February is the snowiest month in the 40171 zip code with 2.6 inches of snow, and 3 months of the year have significant snowfall.

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