Dover, IL Climate


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United States / Illinois / No Metro Area / Bureau County / Dover / Zip Codes
Dover, IL has a temperate climate, with warm summers and cold winters. The average annual temperature is around 52°F (11°C). Summers in Dover are usually hot and humid, with temperatures reaching up to 86°F (30°C). Winters are cold, with temperatures dropping as low as 15°F (-9°C). Precipitation is moderate throughout the year, typically receiving about 40 inches (101 cm) of rain annually. Snowfall in Dover ranges from 5 to 10 inches (13 to 25 cm) each winter. Overall, Dover enjoys relatively mild weather patterns throughout the year.

Dover, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dover averages 27 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 191 sunny days per year in Dover. The US average is 205 sunny days.

Dover gets some kind of precipitation, on average, 97 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 85 degrees
Winter Low: the January low is 14
Rain: averages 38 inches of rain a year
Snow: averages 27 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Dover is 7.0 (10=best), which means it is about average compared to other places in Illinois.

8.9 Summer - 4.7 Winter
June, September and August are the most pleasant months in Dover, while January and December are the least comfortable months.

  ClimateDover, IllinoisUnited States
  37.5 in.38.1 in.
  26.9 in.27.8 in.
  97.4 days106.2 days
  191 days205 days
  84.8°85.8°
  14.1°21.7°
  77
  3.74.3
  741 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 Dover with an average high temperature of 84.8°, which ranks it as cooler than most places in Illinois. In Dover, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dover are September, June and August.
In Dover, there are 17.1 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.
January has the coldest nighttime temperatures for Dover with an average of 14.1°. This is colder than most places in Illinois.
In Dover, there are 130.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.
In Dover, there are 10.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.
The humidity is usually comfortable in Dover but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.
May is the wettest month in Dover with 4.5 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 34% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 37.5 inches in Dover means that it is drier than most places in Illinois.
May is the rainiest month in Dover with 10.1 days of rain, and February is the driest month with only 6.2 rainy days. There are 97.4 rainy days annually in Dover, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 22% chance of a rainy day.
An annual snowfall of 26.9 inches in Dover means that it is snowier than most places in Illinois. January is the snowiest month in Dover with 8.2 inches of snow, and 6 months of the year have significant snowfall.
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