Climate and monthly weather forecastMachesney Park, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Machesney Park, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 25.5°F (-3.6°C) and an average low of 13.5°F (-10.3°C). The coldest temperatures occur during January, when averages reach a peak of 25.5°F (-3.6°C) and a low of 13.5°F (-10.3°C). Weather in January »Weather in February
February, the last month of the winter in Machesney Park, is also a subzero cold month, with temperature in the range of an average high of 29.7°F (-1.3°C) and an average low of 16.9°F (-8.4°C). The beginning of February records an average high-temperature of a still subzero cold 29.7°F (-1.3°C), marking a negligible difference from January's 25.5°F (-3.6°C). Weather in February »Weather in March
March, the first month of the spring in Machesney Park, is a chilly month, with an average temperature varying between 28.9°F (-1.7°C) and 43.9°F (6.6°C). The rise of average high-temperatures is seen in March, with an increase from a subzero cold 29.7°F (-1.3°C) in February to a frosty 43.9°F (6.6°C). Weather in March »Weather in April
April in Machesney Park, Illinois, is a mild spring month, with an average temperature varying between 39°F (3.9°C) and 55.6°F (13.1°C). The shift from March to April sees an increase in the average high-temperature, transitioning from a frosty 43.9°F (6.6°C) to a moderate 55.6°F (13.1°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Machesney Park, Illinois, with an average temperature ranging between max 68°F (20°C) and min 50.5°F (10.3°C). As May arrives, a rise in the average high-temperature is observed, moving from a moderate 55.6°F (13.1°C) in April to a pleasant 68°F (20°C). Weather in May »Weather in June
June, the first month of the summer in Machesney Park, is a warm month, with an average temperature ranging between max 76.6°F (24.8°C) and min 59.5°F (15.3°C). The beginning of June signals a minor rise in the average high-temperature, moving from an agreeable 68°F (20°C) in May to a warm 76.6°F (24.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Machesney Park, Illinois, with an average temperature varying between 63°F (17.2°C) and 79.9°F (26.6°C). July, with average temperatures reaching a high of 79.9°F (26.6°C) and a low of 63°F (17.2°C), is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Machesney Park, is also a moderately hot month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.1°F (25.6°C). Machesney Park observes an average high-temperature of a still moderately hot 78.1°F (25.6°C) in August, barely different from 79.9°F (26.6°C) in July. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Machesney Park, Illinois, with an average temperature fluctuating between 72.3°F (22.4°C) and 53.8°F (12.1°C). September's onset brings a negligible change in high-temperatures, falling from a warm 78.1°F (25.6°C) in August to an agreeable 72.3°F (22.4°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Machesney Park, Illinois, with an average temperature ranging between min 43.3°F (6.3°C) and max 59°F (15°C). Onset of October comes with a temperature decline, the average high falling from a pleasant 72.3°F (22.4°C) in September to a mild 59°F (15°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Machesney Park, Illinois, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 44.1°F (6.7°C). November brings with it a considerable temperature decrease, with average high-temperatures dropping from October's refreshing 59°F (15°C) to a frosty 44.1°F (6.7°C). Weather in November »Weather in December
December, the first month of the winter in Machesney Park, is still a cold month, with an average temperature varying between 32.4°F (0.2°C) and 21.9°F (-5.6°C). December brings a drop in Machesney Park's average high-temperature, falling from a chilly 44.1°F (6.7°C) in November to a cold 32.4°F (0.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Machesney Park, IL
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.5°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Machesney Park, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.11"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:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"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 months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Machesney Park, IL
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Machesney Park, IL
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Machesney Park, IL
- Average rainfall in January:
0.59" - Average rainfall in February:
0.51" - Average rainfall in March:
0.79" - Average rainfall in April:
1.38" - Average rainfall in May:
2.09" - Average rainfall in June:
2.2"
The wettest month (with the highest rainfall) is June (2.2").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days
Machesney Park, IL
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
5.3 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.8 days).
Average snowfall
Machesney Park, IL
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Machesney Park, IL
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
5.9 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:
0.5 days - Average snowfall days in November:
3 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Machesney Park, 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 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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 6min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
3h and 36min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days
Machesney Park, IL
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
18.1 days - Average sunshine days in October:
18 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index
Machesney Park, IL
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Machesney Park, IL
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility
Machesney Park, 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).





