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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 Delrey, Illinois, with an average temperature fluctuating between 18.7°F (-7.4°C) and 30.7°F (-0.7°C). Temperature records mark January as the coldest month, with highs averaging 30.7°F (-0.7°C) and lows at 18.7°F (-7.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Delrey, Illinois, with an average temperature ranging between min 22.3°F (-5.4°C) and max 35.1°F (1.7°C). February welcomes an average high-temperature of an icy 35.1°F (1.7°C), not much different from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Delrey, is a frosty month, with an average temperature ranging between max 47.8°F (8.8°C) and min 33.4°F (0.8°C). March marks a rise in the average high-temperature, moving from February's wintry 35.1°F (1.7°C) to a frosty 47.8°F (8.8°C). Weather in March »
Weather in April
April is a refreshing spring month in Delrey, Illinois, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 43.7°F (6.5°C). The beginning of April marks a shift in the average high-temperature, moving from March's frosty 47.8°F (8.8°C) to a moderate 59.5°F (15.3°C). Weather in April »
Weather in May
May, the last month of the spring in Delrey, is a pleasant month, with an average temperature ranging between min 54.9°F (12.7°C) and max 71.4°F (21.9°C). The shift from April to May is marked by an increase in the average high-temperature, moving from a mild 59.5°F (15.3°C) to a pleasant 71.4°F (21.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Delrey, Illinois, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 79.3°F (26.3°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a pleasant 71.4°F (21.9°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Delrey, Illinois, with an average temperature varying between 81°F (27.2°C) and 64.4°F (18°C). July, recording an average high temperature of 81°F (27.2°C) and a low temperature of 64.4°F (18°C), is Delrey's warmest month. In July, the heat index is computed to be a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Delrey, Illinois, with an average temperature fluctuating between 62.6°F (17°C) and 79.9°F (26.6°C). August's weather displays an average high-temperature of a still warm 79.9°F (26.6°C), slightly varied from July's 81°F (27.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Delrey, is still a warm month, with an average temperature varying between 75.2°F (24°C) and 57.2°F (14°C). September's arrival shows an average high-temperature of a still moderately hot 75.2°F (24°C), hardly different from the previous month. Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Delrey, Illinois, with an average temperature fluctuating between 62.2°F (16.8°C) and 46.8°F (8.2°C). The average high-temperature decreases in October, shifting from a warm 75.2°F (24°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Delrey, is another chilly month, with an average temperature ranging between max 47.8°F (8.8°C) and min 34.9°F (1.6°C). Delrey's weather in November is characterized by a distinct drop in the average high-temperature, reducing from an enjoyable 62.2°F (16.8°C) in October to a frosty 47.8°F (8.8°C). Weather in November »
Weather in December
December, the first month of the winter in Delrey, is also a wintry month, with an average temperature ranging between max 36.5°F (2.5°C) and min 26.2°F (-3.2°C). Onset of December comes with a temperature decline, the average high falling from a chilly 47.8°F (8.8°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Delrey?
Delrey's January weather, with an average high temperature of 30.7°F (-0.7°C) and an average low temperature of 18.7°F (-7.4°C), tends to be the coldest of the year.
What is the driest month in Delrey?
The months with the least rainfall in Delrey are January, February and December Rain falls for 5.5 days and accumulates 0.91" (23mm) of rain.
How much does it rain in Delrey?
Throughout the year, in Delrey, Illinois, there are 130.7 rainfall days, and 17.13" (435mm) of precipitation is accumulated.
When does it snow in Delrey?
Months with snowfall in Delrey are January through April, November and December.
How much does it snow in Delrey?
In Delrey, during the entire year, snow falls for 30.7 days and aggregates up to 8.19" (208mm) of snow.
What is the month with the least sunshine in Delrey?
The month with the least sunshine in Delrey is January, with an average of 3.8h of sunshine.
What is the snowiest month in Delrey?
February is the month with the most snowfall. Snow falls for 7.6 days and accumulates 2.24" (57mm) of snow.
When is Daylight Saving Time (DST) in Delrey?
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 Delrey?
The month with the most rainfall in Delrey is May, when the rain falls for 17.3 days and typically aggregates up to 2.44" (62mm) of precipitation.
When it does not snow in Delrey?
In Delrey, Illinois, snow does not fall in May through October.
When are the longest days in Delrey?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What month has the most sunshine in Delrey?
With an average of 9.9h of sunshine, June has the most sunshine of the year.
What are the months with the highest UV index in Delrey?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Delrey.
What time of the year is the hottest in Delrey?
With average high and low temperatures of 81°F (27.2°C) and 64.4°F (18°C) respectively, July is Delrey's warmest month.
What is the most humid month in Delrey?
With an average relative humidity of 85%, July is the most humid month in Delrey, Illinois.
What is the least humid month in Delrey?
With an average relative humidity of 71%, October is the least humid month in Delrey, Illinois.
What is the month with the shortest days in Delrey?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Delrey.
When is the lowest UV index in Delrey?
With an average maximum UV index of 1, December is the month with the lowest UV index in Delrey, Illinois.
Average temperature
Delrey, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Delrey, 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:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"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 (29.92"Hg).
Average wind speed
Delrey, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Delrey, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Delrey, IL
- Average rainfall in January:
0.91" - Average rainfall in February:
0.91" - Average rainfall in March:
1.46" - Average rainfall in April:
1.93" - Average rainfall in May:
2.44" - Average rainfall in June:
1.89"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January, February and December (0.91").
Average rainfall days
Delrey, IL
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (5.5 days).
Average snowfall
Delrey, IL
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Delrey, IL
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
0.8 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:
0.2 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Delrey, 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 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - 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:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - 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:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Delrey, IL
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index
Delrey, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Delrey, 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 33).
Average visibility
Delrey, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Delrey, Illinois, USA
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