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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 Delwood, Illinois, is another cold winter month, with an average temperature fluctuating between 39.7°F (4.3°C) and 26.2°F (-3.2°C). With average high temperatures of 39.7°F (4.3°C) and lows of 26.2°F (-3.2°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Delwood, is a frosty month, with an average temperature ranging between max 44.1°F (6.7°C) and min 30.2°F (-1°C). Delwood sees the arrival of February with an average high-temperature of a chilly 44.1°F (6.7°C), indicating a subtle variation from January. Weather in February »
Weather in March
March, the first month of the spring in Delwood, is a fresh month, with an average temperature fluctuating between 39.2°F (4°C) and 55°F (12.8°C). As Delwood transitions into March, the average high-temperature is observed to rise from a frosty 44.1°F (6.7°C) in February to a cool 55°F (12.8°C). Weather in March »
Weather in April
April is a comfortable spring month in Delwood, Illinois, with an average temperature varying between 66.4°F (19.1°C) and 48.7°F (9.3°C). The arrival of April brings a change in Delwood's weather, with average high-temperatures moving from March's fresh 55°F (12.8°C) to a refreshing 66.4°F (19.1°C). Weather in April »
Weather in May
May, the last month of the spring in Delwood, is a warm month, with an average temperature ranging between max 75.6°F (24.2°C) and min 58.1°F (14.5°C). The beginning of May signals a rise in the average high-temperature, moving from a comfortable 66.4°F (19.1°C) in April to a moderately hot 75.6°F (24.2°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Delwood, Illinois, with an average temperature ranging between max 84.7°F (29.3°C) and min 66.2°F (19°C). June's onset witnesses a shift in the average high-temperature, moving from a warm 75.6°F (24.2°C) in May to a still moderately hot 84.7°F (29.3°C). Weather in June »
Weather in July
July in Delwood, Illinois, is a tropical summer month, with an average temperature ranging between min 68.5°F (20.3°C) and max 87.3°F (30.7°C). July is the month when Delwood's temperatures reach their peak, with averages of 87.3°F (30.7°C) and lows of 68.5°F (20.3°C). The heat index value for July is evaluated at a torrid 102.2°F (39°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Delwood, Illinois, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 85.6°F (29.8°C). Delwood records a slight change with August's average high-temperatures adjusting to a warm 85.6°F (29.8°C) from July's 87.3°F (30.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Delwood, Illinois, with an average temperature fluctuating between 80.8°F (27.1°C) and 60.4°F (15.8°C). The initiation of September sees an average high-temperature of a still moderately hot 80.8°F (27.1°C), showing minor variations from the previous month. Weather in September »
Weather in October
October, like September, in Delwood, Illinois, is another comfortable autumn month, with an average temperature ranging between min 49.3°F (9.6°C) and max 67.8°F (19.9°C). In the transition to October, Delwood observes a drop in the average high-temperature, moving from a warm 80.8°F (27.1°C) in September to a comfortable 67.8°F (19.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Delwood, is also a fresh month, with an average temperature ranging between max 53.8°F (12.1°C) and min 38.7°F (3.7°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a comfortable 67.8°F (19.9°C) in October to a fresh 53.8°F (12.1°C). Weather in November »
Weather in December
December, the first month of the winter in Delwood, is also a frosty month, with an average temperature fluctuating between 44.1°F (6.7°C) and 32.4°F (0.2°C). The shift from November to December involves a decrease in the average high-temperature, dropping from a fresh 53.8°F (12.1°C) to a chilly 44.1°F (6.7°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 Delwood?
Temperature readings reach their annual highs in January, averaging 39.7°F (4.3°C) and a minimum average of 26.2°F (-3.2°C).
How much does it rain in Delwood?
In Delwood, during the entire year, the rain falls for 158.6 days and collects up to 36.02" (915mm) of precipitation.
When does it snow in Delwood?
January through April, October through December are months with snowfall in Delwood, Illinois.
What is the snowiest month in Delwood?
The month with the most snowfall in Delwood, Illinois, is January, when snow falls for 5.3 days and typically aggregates up to 1.73" (44mm) of snow.
How much does it snow in Delwood?
Throughout the year, in Delwood, Illinois, there are 17.7 snowfall days, and 6.57" (167mm) of snow is accumulated.
What is the month with the least sunshine in Delwood?
With an average of 4.6h of sunshine, January has the least sunshine of the year in Delwood, Illinois.
When is the lowest UV index in Delwood?
The months with the lowest UV index in Delwood are January, February and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Delwood?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Delwood, Illinois, 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 Delwood?
April is the month with the most rainfall in Delwood, Illinois. Rain falls for 16.6 days and accumulates 4.8" (122mm) of precipitation.
What is the most humid month in Delwood?
The most humid month in Delwood is May, with an average relative humidity of 79%.
When it does not snow in Delwood?
In Delwood, Illinois, snow does not fall in May through September.
What is the month with the highest UV index in Delwood?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days in Delwood?
June has the longest days of the year in Delwood, Illinois, with an average of 14h and 42min of daylight.
What month has the most sunshine in Delwood?
With an average of 10.6h of sunshine, June has the most sunshine of the year.
What are the warmest months in Delwood?
In Delwood, July registers the highest temperatures, averaging 87.3°F (30.7°C) at the peak and 68.5°F (20.3°C) at the lowest.
What is the driest month in Delwood?
The month with the least rainfall in Delwood, Illinois, is September, when the rain falls for 10.5 days and typically collects 1.57" (40mm) of precipitation.
What is the least humid month in Delwood?
With an average relative humidity of 70%, October is the least humid month.
What is the month with the shortest days in Delwood?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Delwood, IL
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure
Delwood, 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:
30.03"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
Delwood, IL
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.4mph - Average wind speed in October:
8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.8mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Delwood, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Delwood, IL
- Average rainfall in January:
2.68" - Average rainfall in February:
2.8" - Average rainfall in March:
3.39" - Average rainfall in April:
4.8" - Average rainfall in May:
3.86" - Average rainfall in June:
3.46"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.52" - Average rainfall in September:
1.57" - Average rainfall in October:
2.64" - Average rainfall in November:
2.64" - Average rainfall in December:
2.8"
The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days
Delwood, IL
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
15.4 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).
Average snowfall
Delwood, IL
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Delwood, IL
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.6 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:
1.2 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Delwood, 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 3min - 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 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Delwood, IL
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
9.9 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
15 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).
Average UV index
Delwood, 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
Delwood, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility
Delwood, 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).
Delwood, Illinois, USA
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