Williamson, AZ Climate


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Williamson, AZ has a semi-arid climate which experiences hot summers and cool winters. The average summer temperature is around 100°F while the average winter temperature is 40°F. Precipitation is fairly low during the year, averaging only 6.5 inches annually. The area also receives minimal snowfall with an average of less than one inch each season. Despite its dry conditions, Williamson still has some beautiful landscapes and vegetation due to various species of cacti and other drought resistant plants that thrive in the region.

Williamson, Arizona gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Williamson averages 12 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 272 sunny days per year in Williamson. The US average is 205 sunny days.

Williamson gets some kind of precipitation, on average, 63 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 26
Rain: averages 16 inches of rain a year
Snow: averages 12 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Williamson is 7.9 (10=best), which means it is one of the most pleasant places in Arizona.

8.8 Summer - 6.7 Winter
September, June and May are the most pleasant months in Williamson, while January and February are the least comfortable months.

  ClimateWilliamson, ArizonaUnited States
  15.9 in.38.1 in.
  12.0 in.27.8 in.
  62.5 days106.2 days
  272 days205 days
  88.9°85.8°
  25.5°21.7°
  7.97
  6.44.3
  5056 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 Williamson with an average high temperature of 88.9°, which ranks it as cooler than most places in Arizona. In Williamson, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Williamson are May, September and October.
In Williamson, there are 33.0 days annually when the high temperature is over 90°, which is cooler than most places in Arizona.
December has the coldest nighttime temperatures for Williamson with an average of 25.0°. This is colder than most places in Arizona.
In Williamson, there are 118.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Arizona.
In Williamson, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Arizona.
Humidity is low in Williamson, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.
August is the wettest month in Williamson with 2.7 inches of rain, and the driest month is June with 0.4 inches. The wettest season is Autumn with 34% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 15.9 inches in Williamson means that it is wetter than most places in Arizona.
August is the rainiest month in Williamson with 9.7 days of rain, and June is the driest month with only 2.0 rainy days. There are 62.5 rainy days annually in Williamson, which is rainier than most places in Arizona. The rainiest season is Autumn when it rains 33% of the time and the driest is Summer with only a 20% chance of a rainy day.
An annual snowfall of 12.0 inches in Williamson means that it is snowier than most places in Arizona. February is the snowiest month in Williamson with 3.9 inches of snow, and 6 months of the year have significant snowfall.
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Over 7 years ago

Williamson, Az one of the best kept secrets located approximately 15 minutes North of Prescott's Famous Town Square. A place to find quiet and calm, a place where you  More

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