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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 Alden, Illinois, is a freezing cold winter month, with an average temperature varying between 13.3°F (-10.4°C) and 25.3°F (-3.7°C). In Alden, Illinois, January is the month with the lowest recorded average temperatures, measuring a high of 25.3°F (-3.7°C) and a low of 13.3°F (-10.4°C). Weather in January »
Weather in February
February, the last month of the winter in Alden, is another freezing cold month, with an average temperature fluctuating between 16.5°F (-8.6°C) and 29.3°F (-1.5°C). As Alden welcomes February, the average high-temperature records at a still freezing cold 29.3°F (-1.5°C), marking an insignificant deviation from the prior month. Weather in February »
Weather in March
March, the first month of the spring in Alden, is a chilly month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 43.3°F (6.3°C). With the onset of March, Alden sees a temperature rise, with the average high-temperature moving from February's subzero cold 29.3°F (-1.5°C) to a chilly 43.3°F (6.3°C). Weather in March »
Weather in April
April in Alden, Illinois, is a cool spring month, with an average temperature varying between 54.9°F (12.7°C) and 38.1°F (3.4°C). As Alden transitions into April, a rise in the average high-temperature is observed, moving from a chilly 43.3°F (6.3°C) in March to a fresh 54.9°F (12.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Alden, Illinois, with an average temperature fluctuating between 66.9°F (19.4°C) and 49.5°F (9.7°C). May's arrival brings a change in high-temperatures, moving from a fresh 54.9°F (12.7°C) in April to a refreshing 66.9°F (19.4°C). Weather in May »
Weather in June
June, the first month of the summer in Alden, is a warm month, with an average temperature ranging between min 58.5°F (14.7°C) and max 76.1°F (24.5°C). In June, the meteorological conditions change with the average high-temperature moving from a refreshing 66.9°F (19.4°C) in May to a warm 76.1°F (24.5°C). Weather in June »
Weather in July
July, like June, in Alden, Illinois, is a moderately hot summer month, with an average temperature ranging between min 62.6°F (17°C) and max 79.3°F (26.3°C). Alden registers the highest average temperatures during the month of July, with peaks of 79.3°F (26.3°C) and lows of 62.6°F (17°C). Weather in July »
Weather in August
August, the last month of the summer in Alden, is another warm month, with an average temperature fluctuating between 77.5°F (25.3°C) and 60.1°F (15.6°C). August's advent notes a subtle adjustment in average high-temperature to a still moderately hot 77.5°F (25.3°C) from July. Weather in August »
Weather in September
September, the first month of the autumn in Alden, is still a pleasant month, with an average temperature varying between 53.6°F (12°C) and 72.1°F (22.3°C). As September arrives, Alden's weather displays a minor decrease in high-temperatures, transitioning from August's warm 77.5°F (25.3°C) to a pleasant 72.1°F (22.3°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Alden, Illinois, with an average temperature fluctuating between 42.8°F (6°C) and 58.5°F (14.7°C). As Alden enters October, the average high-temperature decreases from the a pleasant 72.1°F (22.3°C) of September to a refreshing 58.5°F (14.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Alden, Illinois, with an average temperature fluctuating between 30.6°F (-0.8°C) and 44.1°F (6.7°C). The start of November signals a decrease in the average high-temperature, transitioning from a refreshing 58.5°F (14.7°C) in October to a chilly 44.1°F (6.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Alden, Illinois, with an average temperature ranging between max 32°F (0°C) and min 21.6°F (-5.8°C). December shows a mild decline in the average high-temperature, falling from November's frosty 44.1°F (6.7°C) to a cold 32°F (0°C). Weather in December »
Updated: Jun 16, 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 month is the coldest?
Alden's coldest month, January, generally records average temperatures ranging from a high of 25.3°F (-3.7°C) to a low of 13.3°F (-10.4°C).
What is the most humid month?
January is the most humid month, with an average relative humidity of 87%.
How many days does it rain?
Throughout the year, in Alden, there are 152.8 rainfall days, and 26.46" (672mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 14.3 days and typically aggregates up to 4.41" (112mm) of snow.
How much does it snow in Alden?
Throughout the year, there are 54.4 snowfall days, and 16.93" (430mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine in Alden is January, with an average of 3.5h of sunshine.
When is the lowest UV index?
The months with the lowest UV index in Alden are January and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Alden, 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 least humid month in Alden?
April and October, with an average relative humidity of 77%, are the least humid months.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 17.9 days and typically aggregates up to 3.58" (91mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What is the hottest time of year?
Alden's July weather reaches an average high of 79.3°F (26.3°C) and an average low of 62.6°F (17°C), making it the warmest month.
What month has the most sunshine?
With an average of 9.6h of sunshine, July has the most sunshine of the year.
What is the driest month?
The month with the least rainfall in Alden is December, when the rain falls for 7.9 days and typically collects 1.3" (33mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Alden, IL
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.3°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure
Alden, 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:
29.96"Hg - Average pressure in August:
29.97"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
Alden, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Alden, IL
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall
Alden, IL
- Average rainfall in January:
1.38" - Average rainfall in February:
1.34" - Average rainfall in March:
1.54" - Average rainfall in April:
3.07" - Average rainfall in May:
3.03" - Average rainfall in June:
3.58"
- Average rainfall in July:
3.27" - Average rainfall in August:
2.72" - Average rainfall in September:
1.65" - Average rainfall in October:
2.24" - Average rainfall in November:
1.34" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days
Alden, IL
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
7.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall
Alden, IL
- Average snowfall in January:
4.41" - Average snowfall in February:
3.98" - Average snowfall in March:
2.01" - Average snowfall in April:
1.77" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Alden, IL
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
11.5 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
3.3 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:
0.9 days - Average snowfall days in November:
4.8 days - Average snowfall days in December:
11.6 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Alden, 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 0min - 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 6min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Alden, IL
- Average sunshine days in January:
13.4 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
11 days - Average sunshine days in September:
15 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
14.4 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index
Alden, IL
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Alden, IL
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility
Alden, IL
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Alden, Illinois, USA
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