Climate and monthly weather forecastSchaumburg, IL
Climate and monthly weather forecast
The climate of Schaumburg
Located in the Midwest of the United States, Schaumburg, Illinois, boasts a Dfa Köppen climate classification. This type of classification signifies a humid continental climate, with no dry season but a distinct hot summer.The year-round weather spectrum in Schaumburg ranges from a low average of 16.5°F (-8.6°C) in winter to a high average of 81.9°F (27.7°C) in the summer. The humidity oscillates between 73% and 83% across the year, providing the city with a relatively stable moisture level.
Across Schaumburg, rainfall is a common occurrence, with an average ranging from 1.14" (29mm) in the driest season to 3.11" (79mm) during the wettest months. This rainfall leads to an average of between 4.9 to 17.8 rainy days per month across the year. Meanwhile, snowfall is significant from December to February, with the area receiving more than 3" (76mm) each month.
Daylight hours range between 9.2 hours and 15.2 hours during winter and summer respectively. As for sunshine hours, they fall between 3.6 hours and 10 hours per day, indicating plenty of bright weather periods throughout the year. The UV index fluctuates from 1 to 6, indicating moderate exposure during the summertime.
Wind conditions in Schaumburg are fairly modest with speed ranging between 6.2mph (10km/h) to 9.9mph (15.9km/h), while maximum gusts can reach up to 15mph (24.1km/h), indicating no significant risk of heavy winds.
The best time to visit Schaumburg
As far as weather conditions are concerned, the best time to visit Schaumburg is during the summer months, particularly between June and August. During this period, the temperatures average between 77.2°F (25.1°C) and 81.9°F (27.7°C) accompanied by the highest daylight hours of 15.2 in June, providing excellent conditions for outdoor activities. While it does rain during these months, with an average rainfall of between 2.72" (69mm) and 2.76" (70mm), the frequency of rainy days is far less than the spring season.The worst time to visit Schaumburg
The weather conditions are particularly inhospitable during the winter months from December to February. The temperatures drop to averages between 16.5°F (-8.6°C) and 27.9°F (-2.3°C), with heavy snowfall that amounts to over 1.26" (32mm). The daylight hours are at their lowest, ranging from 9.2 to 9.5 hours, which can limit outdoor activities.Spring weather in Schaumburg
Spring season in Schaumburg starts from March and lasts until May. During these months, the temperature witnesses a considerable leap, from an average high of 44.1°F (6.7°C) in March to 67.5°F (19.7°C) in May. This period also sees an increase in the number of daylight hours, from 12 hours in March to 14.6 hours in May. However, it also witnesses the highest amount of rainfall in the year with an average of 2.91" (74mm) to 3.11" (79mm) per month.Summer weather in Schaumburg
Summers in Schaumburg are characterized by hot conditions, with average high temperatures ranging between 73.4°F (23°C) and 81.9°F (27.7°C). The daylight hours peak to 15.2 hours in June, providing ample sunshine for outdoor activities. Despite the average monthly rainfall of 2.72" (69mm) to 2.76" (70mm), the season generally remains pleasant for tourism and outdoor activities.Autumn weather in Schaumburg
Autumn in Schaumburg runs through September to November. During this period, the temperatures gradually drop from an average high of 73.4°F (23°C) in September to a cooler 45.5°F (7.5°C) in November. Rainfall decreases significantly during this period, falling to 1.22" (31mm) in November. While daylight hours decrease to 9.8 hours in November, the conditions remain favourable for tourism.Winter weather in Schaumburg
Winter in Schaumburg brings in notably cold weather conditions. Temperatures can drop to as low as an average of 16.5°F (-8.6°C) in January, with average high temperatures not surpassing 34°F (1.1°C) in December. Snowfall is significant during these months, averaging between 1.26" (32mm) and 3.74" (95mm). Along with the fewer daylight hours ranging from 9.2 to 9.5 across these months, outdoor activities become limited. Yet, with these conditions, the region becomes a haven for lovers of snow and winter sports.Weather in January
In the town of Schaumburg, Illinois, January brings the icy grip of winter, with snowfall reaching 3.74" (95mm) and temperatures dipping to lows of 16.5°F (-8.6°C). The combination of harsh temperatures and relatively poor visibility makes it uninviting for outdoor activities. Weather in January »Weather in February
The prolonged cold continues into February with the low temperature easing slightly from the previous month but still a frigid 19.4°F (-7°C). Notably, snow tends to fall at a higher average in February, totaling 4.02" (102mm), making this the snowiest month of the year in Schaumburg. Weather in February »Weather in March
Spring starts to make its appearance in March with the average high temperature rising to 44.1°F (6.7°C), indicating a break from the colder months. This month marks a slight decrease in snowfall down to 1.26" (32mm) from February's peak. Weather in March »Weather in April
April brings a significant shift in Schaumburg's weather pattern with the high temperature reaching a more comfortable 55.6°F (13.1°C). Rain replaces snow as the dominant form of precipitation with rainfall hitting a high of 2.91" (74mm) in this month. Weather in April »Weather in May
May in Schaumburg sees a further rise in temperature, signifying that summer is not far behind. The peak temperature reaches an agreeable 67.5°F (19.7°C), which coincides with the rainfall hitting its annual peak of 3.11" (79mm). Weather in May »Weather in June
Summer is in full swing in June, with temperatures soaring to highs of 77.2°F (25.1°C). This warm weather is coupled with an average of 15.2 sunlight hours per day, the maximum for the year. Schaumburg residents are afforded plenty of daylight to indulge in a multitude of outdoor activities during this time. Weather in June »Weather in July
July is the hottest month in Schaumburg, with the temperature rising to a balmy 81.9°F (27.7°C). However, the heat does not spell a complete halt to rainfall activity, which is still around 2.72" (69mm). This moderate rainfall strikes a balance, preventing the weather from becoming overwhelmingly dry. Weather in July »Weather in August
August remains warm, and the high average temperature is marginally lower than July at 80.2°F (26.8°C). Rainfall hovers at the level of 2.76" (70mm), similar to the monsoon month of July. August carries the warmth of July but with a hint of anticipation for the approaching fall season. Weather in August »Weather in September
September marks the arrival of fall, with the average high temperature dropping to 73.4°F (23°C). Rainfall dwindles down to about 1.69" (43mm), ushering in a drier, cooler atmosphere. This month is characterized by the onset of crispy autumn weather, with the landscape changing into a palette of oranges, yellows, and browns. Weather in September »Weather in October
October continues the cool trend of fall, with the average high temperature dropping to 60.3°F (15.7°C). The city witnesses the multicolored spectacle of fall, presenting a dramatic change from the greenery of warmer months. The crisp falls temperatures, coupled with the vibrant foliage, makes October an ideal month for outdoor exploration. Weather in October »Weather in November
November introduces the pedestrian to the encroaching winter, with the high temperature reaching only 45.5°F (7.5°C). The fall season is on the wane, with most foliage having already peaked in October. The prelude to winter brings a fresh chill to the air, and families begin their preparation for the holiday season. Weather in November »Weather in December
In December, winter takes center stage, with the high temperature dropping to 34°F (1.1°C), hard on the heels of November. December welcomes the sight of snow, with an average of 2.52" (64mm) of snowfall. The incoming holiday season makes the cold bearable as the city is bedecked in festive lights and decorations. Weather in December »Updated: Aug 5, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, with its high-temperature average of 27.9°F (-2.3°C) and a low-temperature average of 16.5°F (-8.6°C), is the coldest month.
The months with the highest humidity are January and February, with an average relative humidity of 83%.
In Schaumburg, during the entire year, the rain falls for 147.4 days and collects up to 24.69" (627mm) of precipitation.
January through May, October through December are months with snowfall.
In Schaumburg, during the entire year, snow falls for 48.9 days and aggregates up to 15.47" (393mm) of snow.
January has the least sunshine of the year in Schaumburg, with an average of 3.6h of sunshine.
The months with the lowest UV index in Schaumburg are January and December, with an average maximum UV index of 1.
The month with the most snowfall is February, when snow falls for 11 days and typically aggregates up to 4.02" (102mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
The month with the most rainfall is May, when the rain falls for 17.7 days and typically aggregates up to 3.11" (79mm) of precipitation.
In Schaumburg, snow does not fall in June through September.
The month with the longest days in Schaumburg is June, with an average of 15h and 12min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
Temperature readings reach their annual highs in July, averaging 81.9°F (27.7°C) and a minimum average of 65.7°F (18.7°C).
The month with the most sunshine is July, with an average of 10h of sunshine.
The least humid month is October, with an average relative humidity of 73%.
December is the month with the least rainfall in Schaumburg. Rain falls for 7.9 days and accumulates 1.14" (29mm) of precipitation.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Schaumburg, IL
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (27.9°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure
Schaumburg, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Schaumburg, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.2mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Schaumburg, IL
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Schaumburg, IL
- Average rainfall in January:
1.34" - Average rainfall in February:
1.42" - Average rainfall in March:
1.5" - Average rainfall in April:
2.91" - Average rainfall in May:
3.11" - Average rainfall in June:
2.76"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.76" - Average rainfall in September:
1.69" - Average rainfall in October:
2.13" - Average rainfall in November:
1.22" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days
Schaumburg, IL
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
7.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Schaumburg, IL
- Average snowfall in January:
3.74" - Average snowfall in February:
4.02" - Average snowfall in March:
1.26" - Average snowfall in April:
2.36" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Schaumburg, IL
- Average snowfall days in January:
13.1 days - Average snowfall days in February:
11 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
2.2 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
4.1 days - Average snowfall days in December:
11.1 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Schaumburg, IL
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Schaumburg, IL
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
10.2 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
14.8 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
14.8 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (10.2 days).
Average UV index
Schaumburg, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Schaumburg, IL
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility
Schaumburg, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
