Climate and monthly weather forecastElmhurst, IL
Climate and monthly weather forecast
The climate of Elmhurst
Elmhurst, Illinois, located in the United States, is characterized by a Humid continental climate, with no dry season but rather a hot summer. This climatic condition is referred to as Dfa under the Köppen climate classification system. Weather patterns in this region exhibit a broad range of extremes, from punishing winter chills to scorching summer highs, and not forgetting average relative humidity ranging from 72% to 82%.There's also the aspect of annual rainfall that constitutes an average of 27.99" (711mm) spread across the year, with no month being exempted from this occurrence. Amidst this pattern, it's worth noting that May realizes the highest rainfall with 3.11" (79mm) while December stays at the lower end with 1.14" (29mm).
Another unique aspect relates to snowfall, as snow engulfs the region from November to April reaching its peak in February with 3.86" (98mm). Elmhurst's climate is also characterized by abundant sunshine hours, peaking at 15.2 hours in June and dipping to a low of 9.2 hours in December.
The best time to visit Elmhurst
The best time to visit Elmhurst hinges on individual preferences, especially when it comes to weather inclinations. However, for those who crave a balance of warmth and ample sunshine, the period from June to August serves as the optimal time to visit. During this time, average daily high temperatures fluctuate from 76.8°F (24.9°C) to 81.9°F (27.7°C), coupled with the longest daylight hours of 14.6 to 15.2, respectively, and a high UV index of 6.The worst time to visit Elmhurst
The harshest time to visit Elmhurst would probably be between November and February. This period is characterized by freezing temperatures ranging between 18°F (-7.8°C) to 34.7°F (1.5°C) and snowfall with February experiencing the highest amount at 3.86" (98mm). Moreover, this season has the least daylight hours, fluctuating from 9.2 hours to 10.6 hours.Spring weather in Elmhurst
Spring in Elmhurst arrives with a gradual warming trend from March to May. Temperatures increase to an average of 44.2°F (6.8°C) in March, 55.2°F (12.9°C) in April, and 67.3°F (19.6°C) in May. During this season, daylight extends to 13.4 hours in April and 14.6 hours in May. Spring also brings with it a slight decrease in relative humidity and increase in rainfall, with May recording the highest at 3.11" (79mm).Summer weather in Elmhurst
Summer embraces Elmhurst between June and August with daytime temperatures rising to a peak of 81.9°F (27.7°C) in July. These warm months provide the most sunshine, reaching a peak of 10.1 hours per day in July and August, with relatively lower cloud coverage at about 31% to 35%.Autumn weather in Elmhurst
Autumn sets in from September to November with temperatures declining to an average low of 33.6°F (0.9°C) by November. The number of sunshine hours also decreases gradually towards November with 9.8 hours a day, while rainfall tends to vary from 1.89" (48mm) in September to 1.26" (32mm) in November.Winter weather in Elmhurst
Winter in Elmhurst brings freezing temperatures that can drop as low as 18°F (-7.8°C) in January. Snowfall is not uncommon during winter, with February being the most affected with an average snowfall of 3.86" (98mm). Also, daylight becomes scarce, particularly in December, with only 9.2 hours of daylight available.Weather in January
January in Elmhurst, Illinois experiences the coldest weather with the average daily high and low temperatures at 28.8°F (-1.8°C) and 18°F (-7.8°C) respectively. Commuters might find the roads slick as the month also sees a fair share of snowfall. Weather in January »Weather in February
As February rolls in, Elmhurst, Illinois starts to slowly shed off the chill of January. The shifts are minimal but noticeable, with a slight increase in daily sun exposure. An interesting feature about the February weather is that this month sees maximum snowfall of 3.86" (98mm). Weather in February »Weather in March
March sees a steady climb in temperatures and marks the transition of winter to spring. The average sun exposure increases to 6 hours per day. The most notable change is the significant decrease in snowfall, dropping to 1.18" (30mm), a clear indication that winter season is retreating. Weather in March »Weather in April
April weather in Elmhurst, Illinois is characterized by a significant leap in average daily high temperature to 55.2°F (12.9°C). The dreary days of winter seems to be masked by the bloom of spring flowers as the town is bathed in sunlight for more than half a day. Weather in April »Weather in May
In Elmhurst, Illinois, May sees a substantial rise in temperatures. The sun shines longer, and the town begins to experience warmer days breaking into the territory of a pleasant 67.3°F (19.6°C). Fewer layers of clothing are needed as the weather starts to feel more comfortable. Weather in May »Weather in June
June is a transition from pleasant to more summery weather in Elmhurst, Illinois. A welcome change is seen in the decrease in rainfall to 2.83" (72mm). Long sunny days become the new norm. School holidays coupled with good sunlight exposure and warm weather marks the beginning of outdoor activities. Weather in June »Weather in July
July is the hottest month in Elmhurst, Illinois with the average daily high temperature reaching 81.9°F (27.7°C). It is mostly a rain-free month, making it perfect for outdoor activities. The high temperatures make this month ideal for swimming and other cool water activities. Weather in July »Weather in August
The weather in August in Elmhurst, Illinois cools down slightly; however, averages around a warm 80.2°F (26.8°C) high, making it the second hottest month of the year. Though temperatures are high, a decrease in average cardio activity can be noticed due to the back-to-school season. Weather in August »Weather in September
September in Elmhurst, Illinois holds onto the last hints of summer. Witnessing a drop in average high temperatures to 73.4°F (23°C), the weather maintains warmth while introducing hints of autumn. The changing color of leaves, with the easing temperatures, indicate the transition towards fall. Weather in September »Weather in October
October brings more noticeable changes to the weather in Elmhurst, Illinois, with temperatures falling to an average high of 60.4°F (15.8°C). As mild temperatures take hold, the town starts to prepare for the colder seasons. The shift in season can be recognized in the crimson and golden leaves dancing in slower winds. Weather in October »Weather in November
November in Elmhurst, Illinois sees temperatures drop to an average high of 45.9°F (7.7°C). A notable weather pattern is the increasing early snowfall, at about 0.94" (24mm). As trees shed their leaves, residents start to anticipate the upcoming festive season. Weather in November »Weather in December
December rolls in with a chilly air in Elmhurst, Illinois, with temperatures hovering around a cold average high of 34.7°F (1.5°C). With 2.24" (57mm) of snowfall, the winter weather is in full swing. Shorter days and longer nights make for a cozy atmosphere, especially with the holiday cheer around. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Elmhurst, 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 (28.8°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Elmhurst, 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:
30.01"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
Elmhurst, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Elmhurst, IL
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Elmhurst, IL
- Average rainfall in January:
1.34" - Average rainfall in February:
1.42" - Average rainfall in March:
1.46" - Average rainfall in April:
2.76" - Average rainfall in May:
3.11" - Average rainfall in June:
2.83"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.83" - Average rainfall in September:
1.89" - Average rainfall in October:
2.17" - Average rainfall in November:
1.26" - 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
Elmhurst, IL
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
7.9 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall
Elmhurst, IL
- Average snowfall in January:
3.62" - Average snowfall in February:
3.86" - Average snowfall in March:
1.18" - Average snowfall in April:
2.01" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Elmhurst, IL
- Average snowfall days in January:
12.4 days - Average snowfall days in February:
10.9 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
2.3 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:
0.4 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
9.9 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Elmhurst, 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 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Elmhurst, IL
- Average sunshine days in January:
14.2 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
13 days - Average sunshine days in October:
14.2 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index
Elmhurst, 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
Elmhurst, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Elmhurst, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





