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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Mill Creek, Illinois, is another cold winter month, with an average temperature varying between 39.7°F (4.3°C) and 26.8°F (-2.9°C). Temperature records mark January as the coldest month, with highs averaging 39.7°F (4.3°C) and lows at 26.8°F (-2.9°C). Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Mill Creek, Illinois, with temperature in the range of an average low of 30.4°F (-0.9°C) and an average high of 44.6°F (7°C). The transition into February marks the average high-temperature at a chilly 44.6°F (7°C), differing minimally from January's 39.7°F (4.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Mill Creek, Illinois, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 39.4°F (4.1°C). The beginning of March marks a shift in the average high-temperature, moving from February's chilly 44.6°F (7°C) to a mild 55.6°F (13.1°C). Weather in March »
Weather in April
April is a comfortable spring month in Mill Creek, Illinois, with an average temperature varying between 48.9°F (9.4°C) and 66.6°F (19.2°C). April marks a rise in the average high-temperature, moving from March's 55.6°F (13.1°C) to a still refreshing 66.6°F (19.2°C). Weather in April »
Weather in May
May, the last month of the spring in Mill Creek, is a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 58.1°F (14.5°C). The rise of average high-temperatures is seen in May, with an increase from a refreshing 66.6°F (19.2°C) in April to a moderately hot 75.7°F (24.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Mill Creek, Illinois, with an average temperature fluctuating between 66.2°F (19°C) and 85.6°F (29.8°C). June's arrival signals a temperature shift, moving from a warm 75.7°F (24.3°C) in May to a still moderately hot 85.6°F (29.8°C). Weather in June »
Weather in July
July is a tropical summer month in Mill Creek, Illinois, with an average temperature varying between 88.3°F (31.3°C) and 69.1°F (20.6°C). July stands out as Mill Creek's warmest month, with temperatures ranging between an average high of 88.3°F (31.3°C) and a low of 69.1°F (20.6°C). In July, the average heat index is appraised at a blistering 104°F (40°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Mill Creek, Illinois, with an average temperature varying between 66.7°F (19.3°C) and 86.5°F (30.3°C). The transition into August reveals an average high-temperature of a still hot 86.5°F (30.3°C), mirroring a close resemblance to July. Weather in August »
Weather in September
September, the first month of the autumn in Mill Creek, is still a warm month, with an average temperature varying between 81°F (27.2°C) and 60.6°F (15.9°C). September marks a gentle change in average high-temperature, declining from August's tropical 86.5°F (30.3°C) to a moderately hot 81°F (27.2°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Mill Creek, Illinois, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 49.5°F (9.7°C). October indicates a shift in the average high-temperature, from September's warm 81°F (27.2°C) to a refreshing 67.8°F (19.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Mill Creek, is another cool month, with an average temperature varying between 54.5°F (12.5°C) and 38.7°F (3.7°C). The arrival of November corresponds with a shift in temperature, down from a comfortable 67.8°F (19.9°C) in October to a cool 54.5°F (12.5°C). Weather in November »
Weather in December
December, the first month of the winter in Mill Creek, is still a chilly month, with temperature in the range of an average high of 44.8°F (7.1°C) and an average low of 32.2°F (0.1°C). December's onset brings a slight change in high-temperatures, falling from a fresh 54.5°F (12.5°C) in November to a frosty 44.8°F (7.1°C). Weather in December »
Updated: Feb 12, 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
What part of the year is the coldest in Mill Creek?
January is the month when Mill Creek sees the average lowest temperatures, with a high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C).
How much does it rain in Mill Creek?
In Mill Creek, during the entire year, the rain falls for 143 days and collects up to 27.44" (697mm) of precipitation.
When does it snow in Mill Creek?
Months with snowfall in Mill Creek are January through April, October through December.
How much does it snow in Mill Creek?
Throughout the year, in Mill Creek, Illinois, there are 14.9 snowfall days, and 6.06" (154mm) of snow is accumulated.
What are the months with the least sunshine in Mill Creek?
January and February, with an average of 4.6h of sunshine, are months with the least sunshine.
What are the months with the lowest UV index in Mill Creek?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month in Mill Creek?
February is the month with the most snowfall in Mill Creek, Illinois. Snow falls for 3.9 days and accumulates 1.89" (48mm) of snow.
When is Daylight Saving Time (DST) in Mill Creek?
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.
What is the wettest month in Mill Creek?
April is the month with the most rainfall in Mill Creek, Illinois. Rain falls for 13.4 days and accumulates 3.31" (84mm) of precipitation.
What is the most humid month in Mill Creek?
The most humid month in Mill Creek, Illinois, is May, with an average relative humidity of 79%.
When it does not snow in Mill Creek?
May through September are months without snowfall in Mill Creek.
What are the months with the highest UV index in Mill Creek?
The months with the highest UV index in Mill Creek, Illinois, are May through August, with an average maximum UV index of 6.
When are the longest days in Mill Creek?
The month with the longest days is June, with an average of 14h and 42min of daylight.
What are the warmest months in Mill Creek?
July, with an average high of 88.3°F (31.3°C) and a low of 69.1°F (20.6°C), signifies the warmest month of the year in Mill Creek.
What month has the most sunshine in Mill Creek?
With an average of 10.4h of sunshine, July has the most sunshine of the year.
What is the driest month in Mill Creek?
The month with the least rainfall in Mill Creek, Illinois, is September, when the rain falls for 10.8 days and typically collects 1.3" (33mm) of precipitation.
What is the least humid month in Mill Creek?
October is the least humid month in Mill Creek, with an average relative humidity of 71%.
What is the month with the shortest days in Mill Creek?
With an average of 9h and 36min of daylight, December has the shortest days of the year in Mill Creek.
Average temperature
Mill Creek, IL
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Mill Creek, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Mill Creek, IL
- Average wind speed in January:
9mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Mill Creek, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Mill Creek, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
2.24" - Average rainfall in March:
2.48" - Average rainfall in April:
3.31" - Average rainfall in May:
2.95" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.44" - Average rainfall in September:
1.3" - Average rainfall in October:
2.01" - Average rainfall in November:
1.97" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days
Mill Creek, IL
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
8.7 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Mill Creek, IL
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Mill Creek, IL
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.4 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:
0.1 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Mill Creek, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Mill Creek, IL
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
21 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
19.6 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index
Mill Creek, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Mill Creek, IL
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility
Mill Creek, 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).
Mill Creek, Illinois, USA
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