Riley, KS Climate


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Riley, KS has a mild climate throughout the year with hot summers and cold winters. Average summer temperatures range from the mid-70s to the low 90s, while winter temperatures average in the low 30s. Rainfall is fairly consistent across the year with occasional snowfall in the winter months. The area generally experiences low humidity and sporadic thunderstorms in late spring and early summer.

Riley, Kansas gets 32 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Riley averages 15 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 Riley. The US average is 205 sunny days.

Riley gets some kind of precipitation, on average, 81 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 90 degrees
Winter Low: the January low is 17
Rain: averages 32 inches of rain a year
Snow: averages 15 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Riley is 7.3 (10=best), which means it is more comfortable than most places in Kansas.

7.7 Summer - 5.8 Winter
September, May and June are the most pleasant months in Riley, while January and December are the least comfortable months.

  ClimateRiley, KansasUnited States
  32.1 in.38.1 in.
  14.6 in.27.8 in.
  80.5 days106.2 days
  218 days205 days
  90.2°85.8°
  16.9°21.7°
  7.37
  4.44.3
  1289 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 Riley with an average high temperature of 90.2°, which ranks it as cooler than most places in Kansas. In Riley, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Riley are September, May and June.
In Riley, there are 43.5 days annually when the high temperature is over 90°, which is about average compared to other places in Kansas.
January has the coldest nighttime temperatures for Riley with an average of 16.9°. This is colder than most places in Kansas.
In Riley, there are 126.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Kansas.
In Riley, there are 5.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Kansas.
The humidity is usually acceptable in Riley but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most uncomfortably humid months in Riley.
May is the wettest month in Riley with 4.6 inches of rain, and the driest month is January with 0.7 inches. The wettest season is Autumn with 39% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 32.1 inches in Riley means that it is about average compared to other places in Kansas.
May is the rainiest month in Riley with 10.2 days of rain, and January is the driest month with only 3.6 rainy days. There are 80.5 rainy days annually in Riley, which is rainier than most places in Kansas. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 15% chance of a rainy day.
An annual snowfall of 14.6 inches in Riley means that it is about average compared to other places in Kansas. January is the snowiest month in Riley with 4.7 inches of snow, and 5 months of the year have significant snowfall.
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