Springfield, Illinois, boasts a humid continental climate with no dry season, making weather conditions diverse throughout the year.
Summers in Springfield are typically long, warm, and humid, with temperatures reaching up to 86°F. Winters, on the other hand, can be quite cold, often dropping to 21°F and occasionally lower.
Springfield’s weather varies significantly, creating a year-round mix of experiences. Rainfall is spread evenly throughout the year, ensuring no season lacks moisture.
Snow is common in the winter months, adding to the city’s seasonal charm.
In addition to temperature and precipitation, Springfield’s climate also features windy conditions, especially during winter.
For those planning a visit or considering a move, understanding the weather patterns can help in making more informed decisions.
Learn more about Springfield’s monthly weather details and annual patterns at Springfield weather averages.
Average Temperature In Springfield, Illinois
Springfield, Illinois experiences a wide range of temperatures throughout the year.
Winter: January is the coldest month, with an average low of 21°F and a high of 36°F. Low temperatures can drop to around 20.8°F.
Summer: July is the hottest month, with average highs reaching 86°F and lows around 67°F. The highest temperature can get up to 82.8°F.
Spring and Fall: The temperatures are moderate. In April, average highs are around 65°F, and lows are approximately 43°F. October has average highs of 68°F and lows of 45°F.
Here is a table summarizing the monthly average temperatures:
| Month | Average High (°F) | Average Low (°F) |
|---|---|---|
| January | 36 | 21 |
| February | 41 | 25 |
| March | 53 | 34 |
| April | 65 | 43 |
| May | 75 | 54 |
| June | 84 | 63 |
| July | 86 | 67 |
| August | 84 | 65 |
| September | 78 | 57 |
| October | 68 | 45 |
| November | 53 | 34 |
| December | 38 | 25 |
Throughout the year, Springfield’s temperatures can vary widely, making it a location with both hot summers and cold winters. These variations provide a distinctive seasonal experience.
Average Precipitation In Springfield, Illinois
Springfield experiences a mix of rainfall and snowfall throughout the year. Rain is more common, especially during the summer months, while snow is typical in winter.
Average Rainfall In Springfield, Illinois
Springfield, Illinois, sees most of its rainfall during the warmer months. The wettest month is usually May, with an average precipitation of around 5 inches. June and July also experience significant rainfall, making summer the season with the highest levels of rain.
In contrast, the driest month is typically February, receiving only about 2 inches of rain.
Over the year, Springfield averages around 35 inches of total precipitation. This regular rainfall helps maintain the lush greenery and supports local agriculture.
Rainfall is fairly evenly distributed, although it can fluctuate slightly from year to year.
Residents and visitors should expect rain showers, particularly during late spring and early summer.
Average Snow In Springfield, Illinois
Snowfall in Springfield is most frequent between November and February. January is often the snowiest month, averaging about 7 inches of snow. December and February also receive significant snowfall, making winter a notable season for snow.
The total annual snowfall in Springfield averages about 24 inches.
Snow can impact travel and daily activities, so it’s essential to be prepared during the winter months.
Despite the cold, snowy winters, the snowfall contributes to the region’s natural beauty, creating picturesque winter scenes and activities.
For those interested in snow and ice-related information, further details can be found on snow and ice articles.
Average Sun In Springfield, Illinois
Springfield, Illinois experiences varying amounts of sunlight throughout the year, significantly influenced by seasonal changes. Factors such as cloud cover and daylight hours play crucial roles.
Average Daily Shortwave Solar Energy In Springfield, Illinois
Springfield receives different amounts of solar energy depending on the time of year. The highest average daily shortwave solar energy is about 6.4 kWh in July. The lowest occurs in December, with an average of 2.0 kWh.
Daylight hours also shift, with long summer days in June offering up to 15 hours of daylight, while December shortens the day to around 9 hours.
Cloud cover is heaviest in late fall and winter, contributing to reduced sunlight.
The summer months are much clearer, providing more sunny days and higher UV index levels.
This variation affects outdoor activities and energy use patterns for residents throughout the year.
Average Humidity In Springfield, Illinois
The average humidity in Springfield, Illinois varies throughout the year. This makes the climate interesting and unique.
Monthly Relative Humidity:
- December: 78%
- January: High
- May: 65%
High humidity in December brings more moisture in the air. By contrast, May is less humid.
Average Annual Humidity:
Humid months (like December) and less humid months (like May) balance each other. The average annual humidity in Springfield is 71%.
Dew Point:
The dew point is a measure of moisture in the air. It changes as the humidity changes.
Residents experience comfortable weather in moderate humidity months. It can get especially humid in winter months.
For more details, visit World Weather & Climate Information.
Average Wind In Springfield, Illinois
Springfield experiences moderate wind throughout the year. Wind speeds typically range from 8 to 12 mph on average.
During winter, from November to February, wind speeds can increase slightly.
- January: 11 mph
- February: 12 mph
Wind speeds are generally higher in the windiest month, which is April, often reaching up to 14 mph.
In contrast, summer months like June and July tend to have lower average wind speeds, around 8 to 9 mph.
Average Wind Speed by Month:
| Month | Wind Speed (mph) |
|---|---|
| January | 11 |
| April | 14 |
| July | 8 |
Average Air Quality In Springfield, Illinois
Springfield, Illinois, often enjoys good air quality. The Air Quality Index (AQI) in Springfield typically falls in the “Good” category, indicating low levels of pollution. This is beneficial for outdoor activities and overall health.
Monthly Averages:
- January: AQI 30
- June: AQI 40
- December: AQI 35
Weather Conditions:
Springfield experiences typical Midwestern weather, which includes cold winters and warm summers. For instance, temperatures in January can drop to around 20°F, while in July, it can rise to about 85°F. Relative humidity and atmospheric pressure also vary, impacting air quality.
Pollutants Monitored:
- PM2.5 (fine particulate matter)
- Ozone levels
Preventive Measures:
Residents can use air purifiers at home and monitor the AQI through AccuWeather for timely updates.
Topography Of Springfield, Illinois
Springfield, Illinois, is situated at an elevation of 558 feet (170 meters) above sea level. This modest elevation influences the city’s weather patterns and climate.
Geographically, Springfield covers a total area of approximately 65.764 square miles (170.33 km²). Out of this, around 59.48 square miles (154.05 km²) is land. The remaining 6.284 square miles (16.28 km²) is composed of water bodies.
The terrain of Springfield is primarily flat with gentle rolling hills. These minor changes in elevation contribute to the city’s drainage patterns and can affect local weather conditions.
Located in the heart of Illinois, Springfield’s topography has shaped its development. With ample water resources and fertile land, the area supports both urban and agricultural activities.
For more insight into the topography of this area, visit Springfield topographic map, elevation, terrain.
Extreme Weather Events That Occur In Springfield, Illinois
Springfield, Illinois, experiences a variety of extreme weather events throughout the year. These events can range from severe storms to extreme temperatures, impacting daily life and safety.
Tornadoes
Illinois is part of Tornado Alley, and Springfield is no exception. Tornadoes can occur primarily in the spring and summer months.
The National Weather Service tracks and reports significant tornadoes, including those classified as F4/EF4 and F5/EF5 (more details).
Severe Thunderstorms
Severe thunderstorms often bring heavy rain, hail, and strong winds.
These storms can occur throughout the year but are most common from late spring to early fall. Such weather can cause considerable damage to property and infrastructure.
Heatwaves
Summers in Springfield can bring extreme heat.
Heatwaves, with temperatures soaring above 100°F, are not uncommon. These high temperatures can lead to dangerous conditions such as heat exhaustion and heatstroke.
The heat index in some summers has reached alarming levels (learn more).
Winter Storms
Winters in Springfield can be harsh, with heavy snowfall and ice storms.
These winter storms can disrupt transportation and pose significant risks. Historical weather records show that snowfall has varied widely, with some months receiving substantial accumulations (review records).
Flooding
Heavy rain in the region can lead to flash flooding.
Flooding is especially a concern during spring when snowmelt and rainfall combine. These floods can cause extensive damage to homes and roads.
Extreme Cold
During winter, temperatures can drop significantly, sometimes plunging below 0°F.
This extreme cold can be dangerous, making frostbite and hypothermia considerable risks.
Best Time Of The Year To Visit Springfield, Illinois
Springfield, Illinois experiences a variety of weather conditions throughout the year. The best time to visit mainly depends on the weather preferences of the traveler.
What Is Springfield, Illinois Like In Spring
Spring in Springfield spans from March to May. By March, temperatures start climbing, averaging around 50°F.
April sees a further rise, with daytime highs reaching 61°F. May brings warmer weather, with temperatures up to 70°F.
Spring is often pleasant with blossoming flowers and greenery returning to the landscape.
Rainfall, however, is frequent, with April and May averaging around 4 inches of rain each.
Spring is ideal for outdoor activities like visiting parks, nature trails, and historic sites. It is a vibrant season, filled with local events and festivals that draw many visitors.
What Is Springfield, Illinois Like In Summer
Summer in Springfield lasts from June to August. The weather is warm with average high temperatures of about 86°F in July, the hottest month.
June and August also see highs around 80-85°F.
Humidity levels can be high, making it feel warmer. Rainfall is moderate, with around 3-4 inches each month.
Summer is prime time for outdoor attractions, including lakes, parks, and outdoor dining experiences.
Tourism peaks, and event calendars are full with concerts, fairs, and community events.
What Is Springfield, Illinois Like In Fall
Fall spans from September to November. September still holds onto summer warmth, with highs around 78°F.
Temperatures start dropping in October, averaging around 65°F, and further cool to 50°F by November.
This season is marked by colorful fall foliage, making it a picturesque time to visit.
Rain is less frequent compared to spring, providing a dryer atmosphere for sightseeing and local festivals.
Fall activities often include harvest festivals, pumpkin patches, and scenic drives through the countryside. The pleasant temperatures and beautiful landscapes make it a favorite season for many travelers.
What Is Springfield, Illinois Like In Winter
Winter in Springfield extends from December to February.
December and January are the coldest months, with average highs around 33°F and lows dipping to 20°F. February starts a gradual warming trend, with highs reaching about 38°F.
Snowfall is common, with the season averaging 18 inches of snow. The weather is generally cold and can be brisk, with occasional snowstorms.
Winter activities include indoor historical tours, museum visits, and local holiday events.
While not the warmest time to visit, winter has its own charm with holiday decorations and quieter tourist seasons.