Aurora, Illinois enjoys a variety of weather conditions throughout the year.
The hottest month in Aurora is July, with highs around 83°F and lows around 64°F. Meanwhile, January is the coldest month, featuring average lows of 17°F and highs of 31°F.
These weather extremes showcase a typical humid continental climate, characterized by hot summers and cold winters.
Aurora experiences about 192 sunny days annually, which is slightly below the national average of 205 sunny days.
Residents can expect some form of precipitation, whether it’s rain, snow, sleet, or hail, roughly 120 days each year.
Despite being a part of the Northern Hemisphere, the diversified weather patterns keep life in Aurora interesting for both residents and visitors.
During the cold season, which lasts from late November to early March, the average daily high temperature stays below 41°F.
This period can be quite challenging, requiring warm clothing and preparations for snow.
On the flip side, summers are marked by humid conditions, ideal for outdoor activities and enjoying the longer daylight hours.
For more specific details, including climate graphs and average monthly weather data, Aurora’s weather statistics offer a comprehensive look.
Average Temperature In Aurora, Illinois
Aurora, Illinois experiences a wide range of temperatures throughout the year. The warm season runs from May 21 to September 20, with average daily high temperatures above 73°F.
Summer:
July is the hottest month, with an average high of 83°F and a low of 64°F. June and August also have warm temperatures, generally ranging between 78°F and 81°F.
Winter:
The cold season lasts from November 30 to March 2. During this time, the average daily high temperature remains below 44°F.
January is usually the coldest month, with an average low of 16°F and a high of 31°F.
Year-Round Averages:
- Average High: 84°F
- Average Low: 16°F
- Mean Temperature: 49°F
Monthly Trends:
| Month | High (°F) | Low (°F) |
|---|---|---|
| January | 31 | 16 |
| July | 83 | 64 |
| November | 48 | 30 |
| March | 49 | 29 |
For temperature tracking, June demonstrates a high of 78°F, rising to 81°F in July.
Aurora enjoys ample sunlight, especially in summer, with daylight lasting from 14.9 to 15.2 hours.
Average Precipitation In Aurora, Illinois
Aurora, Illinois, experiences a variety of precipitation throughout the year, including both rain and snow, with different monthly patterns.
Average Rainfall In Aurora, Illinois
Aurora receives significant rainfall, especially in the warmer months.
From April to August, rainfall averages between 3.67 inches to 4.62 inches per month. This period is part of the rainy season, with May being the wettest month, often exceeding 4 inches of rainfall.
Months like September to November see a drop in rainfall, averaging about 2.5 inches per month.
Winter months like December and January experience reduced rainfall, often closer to 1–1.5 inches.
This seasonal variation is typical of a continental climate, where summer thunderstorms contribute a large portion of annual precipitation.
Average Snow In Aurora, Illinois
Snowfall in Aurora is heaviest from November through March. January is typically the snowiest month, with an average snowfall of about 7 inches.
During the winter season, Aurora can accumulate a total snowfall of around 32 inches.
The frequency of snow typically maximizes the need for snow plowing and road safety measures.
Winter months often have around 7-8 snowy days.
December and February also see significant snow, with each month averaging 5-6 inches.
Snow can start as early as October and sometimes extend into April, though these months usually see much lighter snow totals.
Average Sun In Aurora, Illinois
Aurora experiences varying levels of sunlight throughout the year, with longer days in summer and shorter days in winter. Understanding these patterns helps residents plan their activities and manage their daily routines.
Average Daily Shortwave Solar Energy In Aurora, Illinois
Aurora receives a notable amount of shortwave solar energy, peaking during the summer months. Throughout the year, Aurora averages around 4 kWh/m² per day.
In summer, this number can rise to 6.5 kWh/m² per day due to longer daylight hours and higher sun angles.
Winter months tend to see less solar energy, averaging about 2.5 kWh/m² per day because of shorter days and lower sun angles.
Aurora benefits from approximately 2300 hours of sunshine annually.
During summer, the city enjoys up to 15 hours of daylight, with the sun rising early around 5:30 AM and setting as late as 8:30 PM.
In contrast, winter days are much shorter, with sunrise around 7:00 AM and sunset near 4:30 PM. This impacts the amount of daily sunshine significantly in different seasons.
Average Humidity In Aurora, Illinois
The average annual relative humidity in Aurora, Illinois, is around 70%.
December is the most humid month, with an average relative humidity of 76%. Meanwhile, May is the least humid month, with an average relative humidity of 64%.
| Month | Average Humidity (%) |
|---|---|
| January | 72 |
| February | 70 |
| March | 68 |
| April | 65 |
| May | 64 |
| June | 66 |
| July | 68 |
| August | 70 |
| September | 72 |
| October | 74 |
| November | 75 |
| December | 76 |
Visitors to Aurora often notice the high humidity in December, which can make the cold weather feel even colder. Aurora’s climate impacts daily activities and comfort levels, especially during the winter months.
Humidity also influences precipitation levels. Higher humidity levels often mean more moisture in the air, leading to increased chances of rain or snow.
In contrast, the lower humidity in May provides a more comfortable climate for outdoor activities and may draw more visitors to the area.
Average Wind In Aurora, Illinois
Wind speed in Aurora, Illinois varies throughout the year. The windier part of the year lasts for about 7.7 months, from early October to late May. During this time, average wind speeds exceed 10.0 miles per hour.
The windiest month is March, with an average hourly wind speed of 12.4 miles per hour.
This period can be quite breezy, contributing to a cooler feel despite the temperatures.
On the other hand, the calmer part of the year spans about 4.3 months, from late May to early October. During this period, wind speeds are generally lower, providing a more tranquil atmosphere.
| Time of Year | Average Wind Speed |
|---|---|
| October 3 – May 26 | > 10.0 mph |
| March | 12.4 mph (Highest) |
| Late May – October | Calmer (Lower) |
For a detailed look at wind speeds, including the prevailing directions, visiting Wind – ChaseDay.com can be helpful.
Wind plays a significant role in the climate, affecting everything from temperature to daily activities around Aurora.
Residents and visitors should be prepared for these seasonal changes in wind speed, especially during the windiest months.
Average Air Quality In Aurora, Illinois
Aurora, Illinois experiences a mix of air quality levels throughout the year. Most days have good to moderate air quality.
Good Days:
Aurora often enjoys clear skies and good air quality, especially during spring and fall. On good days, the Air Quality Index (AQI) remains below 50.
Moderate Days:
During summer, Aurora can experience moderate air quality due to higher temperatures and increased pollutants.
| Season | AQI Range | Description |
|---|---|---|
| Spring | 0-50 | Good |
| Summer | 51-100 | Moderate |
| Fall | 0-50 | Good |
| Winter | 51-100 | Moderate |
In July, the UV Index can be high, often reaching around 8 to 9. Residents should take precautions to protect their skin.
Aurora generally has moderate cloud cover, with clearer skies in spring and fall.
Atmospheric pressure in Aurora typically ranges between 29.92 to 30.41 inches of mercury. Daily variations can affect air quality, especially during weather changes.
During humid months like August, the combination of high humidity and moderate air quality can sometimes make the air feel denser.
For current conditions, residents can check Aurora’s air quality from various monitoring services. Staying informed helps in making healthier lifestyle decisions.
Topography Of Aurora, Illinois
Aurora, Illinois, is located in Kane County. The city’s coordinates are approximately 41.76° N latitude and 88.32° W longitude.
The elevation of Aurora varies across different parts of the city. On average, the city stands at about 696 feet above sea level. In some areas, the elevation can be as low as 600 feet or as high as 709 feet.
Terrain features in Aurora include gently rolling landscapes with some hilly sections. The area provides a mix of urban and suburban environments, contributing to a diverse topographical profile.
The city’s topography affects its local climate. Areas with higher elevations might experience slightly cooler temperatures and more wind compared to lower parts of the city.
Aurora’s varied terrain plays a significant role in its development and infrastructure planning, from residential areas to transportation systems. The changes in elevation and flat areas are carefully considered in urban planning and development projects.
For a detailed visual representation, you can check out the Aurora topographic map.
Extreme Weather Events That Occur In Aurora, Illinois
Aurora, Illinois experiences a variety of extreme weather events throughout the year. Tornadoes are a significant concern, especially in the spring and summer months.
The National Weather Service has confirmed several tornadoes, such as the 18 tornadoes that hit Northern Illinois between storms on Sunday and Monday night.
Hailstorms are also common in Aurora. These events can cause significant property damage and pose risks to people and animals. Hailstones can vary in size but are often large enough to break windows and dent vehicles.
Severe thunderstorms bring heavy rainfall, leading to flash flooding. Streets and homes are sometimes flooded, causing disruptions to daily life.
Electrical storms often accompany these thunderstorms and can result in power outages and property damage. More information on these electrical storms can be explored to understand their impact.
Aurora’s weather is also marked by high winds. These winds, often associated with thunderstorms or tornadoes, can cause damage to structures and uproot trees. Wind speeds can reach dangerous levels, posing additional threats during already severe weather events.
Extreme temperatures are another feature of Aurora’s climate. In the summer, temperatures can exceed 90°F, while winters are harsh, with temperatures plunging below freezing. Rapid temperature changes can also occur, adding to the unpredictability of the weather.
Best Time Of The Year To Visit Aurora, Illinois
Aurora, Illinois experiences a range of weather conditions throughout the year, making certain times more favorable for different activities.
Spring offers pleasant temperatures, summer brings warmth, fall showcases beautiful foliage, and winter can be quite cold.
What Is Aurora, Illinois Like In Spring
Spring in Aurora usually spans from March to May. During these months, temperatures gradually rise from the 40s in March to the 70s by May. This season experiences moderate rainfall, around 3 to 4 inches per month.
Warmer weather makes spring ideal for outdoor activities. Parks and gardens come to life with blooming flowers. Events and festivals also start picking up during this time.
March: Average high 49°F, low 31°F
April: Average high 62°F, low 42°F
May: Average high 73°F, low 52°F
What Is Aurora, Illinois Like In Summer
Summer lasts from June through August and is characterized by warm and humid conditions. The average high temperatures range from 80°F to 83°F, making it perfect for swimming and barbecues.
There’s occasional rainfall but mostly long sunny days. Visitors can enjoy activities at local lakes or attend numerous summer events. July is the hottest month, with temperatures peaking around 83°F.
June: Average high 81°F, low 61°F
July: Average high 83°F, low 64°F
August: Average high 81°F, low 62°F
What Is Aurora, Illinois Like In Fall
Fall in Aurora, from September to November, brings cooler temperatures and beautiful autumn colors. It’s a comfortable time for hikes and scenic drives.
Temperatures start to drop from the mid-70s in September to the low 40s by November. Rainfall is moderate, ranging from 2.5 to 3.5 inches per month.
What Is Aurora, Illinois Like In Winter
Winter in Aurora spans from December to February.
It is cold, with average high temperatures from the mid-30s in December to the upper 20s in January. Snowfall is common, making it ideal for winter sports.
The coldest month is January, with lows around 15°F. Winter activities like ice skating and sledding are popular.
December: Average high 35°F, low 21°F
January: Average high 29°F, low 15°F
February: Average high 34°F, low 19°F