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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, the same as December, in Deer Park, Illinois, is another subzero cold winter month, with an average temperature varying between 27.7°F (-2.4°C) and 16.3°F (-8.7°C). January, marked by an average high-temperature of 27.7°F (-2.4°C) and a low-temperature of 16.3°F (-8.7°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Deer Park, is also a subzero cold month, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 31.1°F (-0.5°C). February commences with an average high-temperature of a still subzero cold 31.1°F (-0.5°C), showing little deviation from January's 27.7°F (-2.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Deer Park, Illinois, with an average temperature ranging between min 30.4°F (-0.9°C) and max 43.5°F (6.4°C). The start of March is characterized by an increase in the average high-temperature, transitioning from a subzero cold 31.1°F (-0.5°C) in February to a frosty 43.5°F (6.4°C). Weather in March »
Weather in April
April in Deer Park, Illinois, is a fresh spring month, with an average temperature fluctuating between 54.3°F (12.4°C) and 39.2°F (4°C). As April sets, the average high-temperature shows an increase, moving up from a frosty 43.5°F (6.4°C) in March to a fresh 54.3°F (12.4°C). Weather in April »
Weather in May
May, the last month of the spring in Deer Park, is a comfortable month, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 50.2°F (10.1°C). The commencement of May sees a shift in the average high-temperature, moving from a cool 54.3°F (12.4°C) in April to a refreshing 66.4°F (19.1°C). Weather in May »
Weather in June
June, the first month of the summer in Deer Park, is a moderately hot month, with an average temperature varying between 59.7°F (15.4°C) and 75.9°F (24.4°C). June's arrival sees a rise in the average high-temperature, jumping from May's enjoyable 66.4°F (19.1°C) to a moderately hot 75.9°F (24.4°C). Weather in June »
Weather in July
July, like June, in Deer Park, Illinois, is another warm summer month, with an average temperature varying between 80.6°F (27°C) and 64.9°F (18.3°C). In Deer Park, the average temperatures in July are the highest, with a peak at 80.6°F (27°C) and a low of 64.9°F (18.3°C). July's heat index is computed to be a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Deer Park, Illinois, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 63.5°F (17.5°C). The commencement of August brings an average high-temperature of a still warm 79.3°F (26.3°C), marking an inconsequential divergence from July. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Deer Park, Illinois, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 72.9°F (22.7°C). September's onset introduces a mild reduction in the average high-temperature, from a warm 79.3°F (26.3°C) in August to a pleasant 72.9°F (22.7°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Deer Park, Illinois, with an average temperature fluctuating between 59.5°F (15.3°C) and 45.3°F (7.4°C). A decrease in the average high-temperature is observed during October, shifting from an agreeable 72.9°F (22.7°C) in September to a moderate 59.5°F (15.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Deer Park, Illinois, with an average temperature fluctuating between 45.1°F (7.3°C) and 33.1°F (0.6°C). Deer Park in November sees a clear temperature decline, with average high-temperatures decreasing from a moderate 59.5°F (15.3°C) in October to a frosty 45.1°F (7.3°C). Weather in November »
Weather in December
December, the first month of the winter in Deer Park, is also an icy month, with temperature in the range of an average low of 23.9°F (-4.5°C) and an average high of 33.4°F (0.8°C). The shift to December brings a decrease in the average high-temperature, falling from a frosty 45.1°F (7.3°C) in November to a wintry 33.4°F (0.8°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Deer Park?
January, with its average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 16.3°F (-8.7°C), holds the record as the coldest month in Deer Park, Illinois.
What are the most humid months in Deer Park?
The months with the highest humidity are January and February, with an average relative humidity of 83%.
How much does it rain in Deer Park?
In Deer Park, during the entire year, the rain falls for 163.1 days and collects up to 32.24" (819mm) of precipitation.
When does it snow in Deer Park?
Months with snowfall are January through May, October through December.
How many days does it snow in Deer Park?
Throughout the year, there are 55.5 snowfall days, and 22.95" (583mm) of snow is accumulated.
What is the month with the least sunshine in Deer Park?
With an average of 3.7h of sunshine, January has the least sunshine of the year in Deer Park.
What are the months with the lowest UV index in Deer Park?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the snowiest month in Deer Park?
The month with the most snowfall in Deer Park, Illinois, is February, when snow falls for 12.8 days and typically aggregates up to 6.22" (158mm) of snow.
When is Daylight Saving Time (DST) in Deer Park?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Deer Park, 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 Deer Park?
The month with the most rainfall is June, when the rain falls for 18.8 days and typically aggregates up to 4.13" (105mm) of precipitation.
When it does not snow in Deer Park?
June through September are months without snowfall in Deer Park, Illinois.
When are the longest days in Deer Park?
The month with the longest days in Deer Park is June, with an average of 15h and 12min of daylight.
What is the warmest month in Deer Park?
Deer Park, Illinois, notes the warmest temperatures in July, with a average high of 80.6°F (27°C) and a low of 64.9°F (18.3°C).
What is the month with the most sunshine in Deer Park?
The months with the most sunshine in Deer Park are July and August, with an average of 10.1h of sunshine.
What are the months with the highest UV index in Deer Park?
The months with the highest UV index in Deer Park, Illinois, are July and August, with an average maximum UV index of 6.
What is the least humid month in Deer Park?
With an average relative humidity of 74%, October is the least humid month in Deer Park.
What is the driest month in Deer Park?
November is the month with the least rainfall in Deer Park. Rain falls for 9.4 days and accumulates 1.61" (41mm) of precipitation.
What is the month with the shortest days in Deer Park?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Deer Park, IL
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure
Deer 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"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
Deer Park, IL
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Deer Park, IL
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Deer Park, IL
- Average rainfall in January:
1.77" - Average rainfall in February:
1.85" - Average rainfall in March:
2.01" - Average rainfall in April:
3.86" - Average rainfall in May:
4.06" - Average rainfall in June:
4.13"
- Average rainfall in July:
3.27" - Average rainfall in August:
3.11" - Average rainfall in September:
2.2" - Average rainfall in October:
2.72" - Average rainfall in November:
1.61" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days
Deer Park, IL
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.2 days - Average rainfall days in May:
20 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).
Average snowfall
Deer Park, IL
- Average snowfall in January:
6.14" - Average snowfall in February:
6.22" - Average snowfall in March:
2.17" - Average snowfall in April:
2.56" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Deer Park, IL
- Average snowfall days in January:
15.5 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.2 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:
4.7 days - Average snowfall days in December:
11.7 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Deer Park, IL
- Average daylight in January:
9h and 3min - 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 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 0min
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
Deer Park, IL
- Average sunshine days in January:
12.2 days - Average sunshine days in February:
10.5 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
9 days - Average sunshine days in May:
8.5 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
13.4 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).
Average UV index
Deer Park, IL
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Deer Park, IL
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility
Deer Park, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Deer Park, Illinois, USA
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