Climate and monthly weather forecastMagnolia, IL
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Magnolia, Illinois, with temperature in the range of an average high of 29.3°F (-1.5°C) and an average low of 17.4°F (-8.1°C). In Magnolia, the lowest average temperatures are observed in January, with a high of 29.3°F (-1.5°C) and a low of 17.4°F (-8.1°C). Weather in January »Weather in February
February, the last month of the winter in Magnolia, is a cold month, with an average temperature varying between 33.4°F (0.8°C) and 21°F (-6.1°C). Magnolia marks the onset of February with an average high-temperature of an icy 33.4°F (0.8°C), subtly divergent from January's 29.3°F (-1.5°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Magnolia, Illinois, with an average temperature fluctuating between 47.7°F (8.7°C) and 33.1°F (0.6°C). In March, the average high-temperature increases from a cold 33.4°F (0.8°C) in February to a chilly 47.7°F (8.7°C). Weather in March »Weather in April
April is a moderate spring month in Magnolia, Illinois, with an average temperature fluctuating between 59.4°F (15.2°C) and 43°F (6.1°C). Entering April, Magnolia sees a temperature rise, with the average high-temperature advancing from March's frosty 47.7°F (8.7°C) to a refreshing 59.4°F (15.2°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Magnolia, Illinois, with an average temperature ranging between min 54°F (12.2°C) and max 71.1°F (21.7°C). Magnolia's transition into May sees a rise in the average high-temperature, advancing from a mild 59.4°F (15.2°C) in April to an agreeable 71.1°F (21.7°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Magnolia, Illinois, with an average temperature fluctuating between 79°F (26.1°C) and 62.1°F (16.7°C). Magnolia in June experiences a slight uptick in the average high-temperature, adjusting from May's agreeable 71.1°F (21.7°C) to a warm 79°F (26.1°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Magnolia, Illinois, with an average temperature ranging between min 64.6°F (18.1°C) and max 81°F (27.2°C). July, on average, is the warmest month, registering a high temperature of 81°F (27.2°C) and a low of 64.6°F (18.1°C). July's mean heat index is estimated at a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Magnolia, is also a moderately hot month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 80.1°F (26.7°C). As Magnolia steps into August, the average high-temperature is measured at a still warm 80.1°F (26.7°C), displaying minor differences from July's 81°F (27.2°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Magnolia, Illinois, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 75°F (23.9°C). September commences with an average high-temperature of a still moderately hot 75°F (23.9°C), showing little deviation from August's 80.1°F (26.7°C). Weather in September »Weather in October
October, like September, in Magnolia, Illinois, is another refreshing autumn month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 46°F (7.8°C). As September transitions into October, Magnolia sees a drop in the average high-temperature, transitioning from a moderately hot 75°F (23.9°C) to an enjoyable 61.7°F (16.5°C). Weather in October »Weather in November
November, the last month of the autumn in Magnolia, is also a frosty month, with an average temperature varying between 34°F (1.1°C) and 47.3°F (8.5°C). The shift into November brings a noticeable decrease in the average high-temperature, falling from a comfortable 61.7°F (16.5°C) in October to a chilly 47.3°F (8.5°C). Weather in November »Weather in December
December, the first month of the winter in Magnolia, is also an icy month, with an average temperature varying between 35.6°F (2°C) and 25.3°F (-3.7°C). With December's onset, the weather shows a temperature decrease, transitioning from a chilly 47.3°F (8.5°C) in November to a wintry 35.6°F (2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Magnolia, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Magnolia, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"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:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Magnolia, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.2mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Magnolia, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Magnolia, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
1.61" - Average rainfall in March:
2.17" - Average rainfall in April:
3.7" - Average rainfall in May:
4.41" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.24" - Average rainfall in September:
2.24" - Average rainfall in October:
2.91" - Average rainfall in November:
1.73" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days
Magnolia, IL
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
17 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Magnolia, IL
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Magnolia, IL
- Average snowfall days in January:
11.2 days - Average snowfall days in February:
9.6 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0 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:
0.3 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Magnolia, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - 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 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Magnolia, IL
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Magnolia, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Magnolia, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Magnolia, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





