Duncan, AZ Climate

Duncan, AZ has a mild climate, with hot summers and cool winters. Summers can reach temperatures of up to 100 degrees Fahrenheit, but usually stay in the upper 80s while winters stay around the mid-40s. The area gets an average of 13 inches of precipitation per year, mostly in the form of rain during the summer months. Duncan is also known for its dry climate, with low humidity levels throughout the year. This makes it an ideal place for outdoor activities like hiking and camping because there are few extreme weather conditions that could affect safety.

Duncan, Arizona gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Duncan averages 1 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 288 sunny days per year in Duncan. The US average is 205 sunny days.

Duncan gets some kind of precipitation, on average, 55 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 97 degrees
Winter Low: the January low is 28
Rain: averages 13 inches of rain a year
Snow: averages 1 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Duncan is 7.7 (10=best), which means it is more comfortable than most places in Arizona.

6.5 Summer - 7.5 Winter

October, April and March are the most pleasant months in Duncan, while July and June are the least comfortable months.

Climate	Duncan, Arizona	United States
	13.4 in.	38.1 in.
	0.8 in.	27.8 in.
	55.4 days	106.2 days
	288 days	205 days
	96.9°	85.8°
	27.7°	21.7°
	7.7	7
	6.5	4.3
	3655 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 Duncan with an average high temperature of 96.9°, which ranks it as about average compared to other places in Arizona. In Duncan, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Duncan are April, October and March.

In Duncan, there are 110.2 days annually when the high temperature is over 90°, which is about average compared to other places in Arizona.

December has the coldest nighttime temperatures for Duncan with an average of 27.3°. This is colder than most places in Arizona.

In Duncan, there are 90.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Arizona.

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

Humidity in Duncan is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.

August is the wettest month in Duncan with 2.5 inches of rain, and the driest month is April with 0.3 inches. The wettest season is Autumn with 39% of yearly precipitation and 11% occurs in Summer, which is the driest season. The annual rainfall of 13.4 inches in Duncan means that it is wetter than most places in Arizona.

August is the rainiest month in Duncan with 9.3 days of rain, and April is the driest month with only 1.9 rainy days. There are 55.4 rainy days annually in Duncan, which is rainier than most places in Arizona. The rainiest season is Autumn when it rains 37% of the time and the driest is Summer with only a 14% chance of a rainy day.

An annual snowfall of 0.8 inches in Duncan means that it is about average compared to other places in Arizona. December is the snowiest month in Duncan with 0.5 inches of snow, and 1 month of the year have significant snowfall.