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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, is a freezing cold winter month in Merrionette Park, Illinois, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 29.5°F (-1.4°C). With average high and low temperatures of 29.5°F (-1.4°C) and 18.9°F (-7.3°C) respectively, January is Merrionette Park's coldest month. Weather in January »
Weather in February
February, the last month of the winter in Merrionette Park, is a cold month, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 32.5°F (0.3°C). February's presence marks an average high-temperature of an icy 32.5°F (0.3°C), subtly varied from January's 29.5°F (-1.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Merrionette Park, Illinois, with an average temperature ranging between max 44.2°F (6.8°C) and min 32.4°F (0.2°C). An escalation in the average high-temperature is seen with the onset of March, moving from an icy 32.5°F (0.3°C) in February to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April is a fresh spring month in Merrionette Park, Illinois, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 55.2°F (12.9°C). The beginning of April marks a shift in the average high-temperature, moving from March's frosty 44.2°F (6.8°C) to a cool 55.2°F (12.9°C). Weather in April »
Weather in May
May, the last month of the spring in Merrionette Park, is an enjoyable month, with an average temperature varying between 51.8°F (11°C) and 66.4°F (19.1°C). May's onset is marked by a temperature increase, moving from a cool 55.2°F (12.9°C) in April to an enjoyable 66.4°F (19.1°C). Weather in May »
Weather in June
June, the first month of the summer in Merrionette Park, is a warm month, with an average temperature fluctuating between 61.5°F (16.4°C) and 76.3°F (24.6°C). June's onset brings a rise in the average high-temperature, moving from a refreshing 66.4°F (19.1°C) in May to a moderately hot 76.3°F (24.6°C). Weather in June »
Weather in July
July, like June, in Merrionette Park, Illinois, is another warm summer month, with an average temperature ranging between max 81°F (27.2°C) and min 66.6°F (19.2°C). July registers as the month with the highest average temperatures, reaching 81°F (27.2°C) at its peak and 66.6°F (19.2°C) at the lowest. July's mean heat index is appraised at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Merrionette Park, is another warm month, with an average temperature ranging between max 79.9°F (26.6°C) and min 65.8°F (18.8°C). Merrionette Park's August average high-temperature settles at a still warm 79.9°F (26.6°C), showing a near match with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Merrionette Park, is still a warm month, with an average temperature varying between 73.6°F (23.1°C) and 59.2°F (15.1°C). The beginning of September brings a minor change in the average high-temperature, shifting from a warm 79.9°F (26.6°C) in August to a still moderately hot 73.6°F (23.1°C). Weather in September »
Weather in October
October, the same as September, in Merrionette Park, Illinois, is a moderate autumn month, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 47.1°F (8.4°C). A subtle decrease in the average high-temperature marks October, falling from September's moderately hot 73.6°F (23.1°C) to a moderate 60.6°F (15.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Merrionette Park, is another chilly month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 46.2°F (7.9°C). A distinct shift in the average high-temperature is signaled in November, moving down from a mild 60.6°F (15.9°C) in October to a frosty 46.2°F (7.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Merrionette Park, Illinois, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 35.2°F (1.8°C). December comes with a drop in the average high-temperature, falling from November's frosty 46.2°F (7.9°C) to a cold 35.2°F (1.8°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Merrionette Park?
January, on average, is the coldest month in Merrionette Park, registering a high temperature of 29.5°F (-1.4°C) and a low of 18.9°F (-7.3°C).
What is the most humid month in Merrionette Park?
January and February, with an average relative humidity of 82%, are most humid months.
How many days does it rain in Merrionette Park?
Throughout the year, in Merrionette Park, there are 147.7 rainfall days, and 23.62" (600mm) of precipitation is accumulated.
When does it snow in Merrionette Park?
January through April, October through December are months with snowfall.
How much does it snow in Merrionette Park?
Throughout the year, there are 42.4 snowfall days, and 11.61" (295mm) of snow is accumulated.
What is the month with the least sunshine in Merrionette Park?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
What is the snowiest month in Merrionette Park?
February is the month with the most snowfall in Merrionette Park, Illinois. Snow falls for 9.5 days and accumulates 3.07" (78mm) of snow.
When is Daylight Saving Time (DST) in Merrionette Park?
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 rainiest month in Merrionette Park?
May is the month with the most rainfall in Merrionette Park. Rain falls for 17.7 days and accumulates 3.07" (78mm) of precipitation.
When it does not snow in Merrionette Park?
In Merrionette Park, snow does not fall in May through September.
When are the longest days in Merrionette Park?
With an average of 15h and 12min of daylight, June has the longest days of the year in Merrionette Park.
When is the highest UV index in Merrionette Park?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Merrionette Park, Illinois.
What are the warmest months in Merrionette Park?
In Merrionette Park, July is identified by the average highest temperatures, reaching a peak of 81°F (27.2°C) and a low of 66.6°F (19.2°C).
What month has the most sunshine in Merrionette Park?
August has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the least humid month in Merrionette Park?
The least humid month is October, with an average relative humidity of 72%.
What is the driest month in Merrionette Park?
December is the month with the least rainfall. Rain falls for 7.4 days and accumulates 1.02" (26mm) of precipitation.
What is the month with the shortest days in Merrionette Park?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Merrionette Park.
What is the month with the lowest UV index in Merrionette Park?
With an average maximum UV index of 1, December is the month with the lowest UV index in Merrionette Park.
Average temperature
Merrionette Park, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°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 (18.9°F).
Average pressure
Merrionette Park, 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:
30.1"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
Merrionette Park, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Merrionette Park, 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
Merrionette Park, IL
- Average rainfall in January:
1.18" - Average rainfall in February:
1.18" - Average rainfall in March:
1.3" - Average rainfall in April:
2.32" - Average rainfall in May:
3.07" - Average rainfall in June:
2.95"
- Average rainfall in July:
2.8" - Average rainfall in August:
2.72" - Average rainfall in September:
1.97" - Average rainfall in October:
1.93" - Average rainfall in November:
1.18" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days
Merrionette Park, IL
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Merrionette Park, IL
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Merrionette Park, IL
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
2.3 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:
0.4 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
9.4 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Merrionette Park, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 3min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Merrionette Park, IL
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
10 days - Average sunshine days in September:
13 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index
Merrionette Park, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Merrionette Park, IL
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Merrionette Park, 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).
Merrionette Park, Illinois, USA
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