Climate and monthly weather forecastAlexander, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Alexander, Illinois, is an icy winter month, with an average temperature ranging between min 21.4°F (-5.9°C) and max 33.6°F (0.9°C). January, noted for its average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 21.4°F (-5.9°C), is considered the coldest month. Weather in January »Weather in February
February, the last month of the winter in Alexander, is another cold month, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 24.8°F (-4°C). February's onset records a minor alteration in the average high-temperature to a still icy 38.3°F (3.5°C) from January's 33.6°F (0.9°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Alexander, Illinois, with an average temperature varying between 36.1°F (2.3°C) and 51.4°F (10.8°C). March sees a temperature increase, moving from a cold 38.3°F (3.5°C) in February to a fresh 51.4°F (10.8°C). Weather in March »Weather in April
April in Alexander, Illinois, is a comfortable spring month, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 46.2°F (7.9°C). A shift in the average high-temperature is noticeable in April, changing from a fresh 51.4°F (10.8°C) in March to a comfortable 63.3°F (17.4°C). Weather in April »Weather in May
May, the last month of the spring in Alexander, is a pleasant month, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 56.3°F (13.5°C). The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 63.3°F (17.4°C) to a pleasant 72.9°F (22.7°C). Weather in May »Weather in June
June, the first month of the summer in Alexander, is a warm month, with an average temperature varying between 81.5°F (27.5°C) and 64.6°F (18.1°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from an agreeable 72.9°F (22.7°C) in May to a warm 81.5°F (27.5°C). Weather in June »Weather in July
July, like June, in Alexander, Illinois, is another warm summer month, with an average temperature ranging between min 66.7°F (19.3°C) and max 83.1°F (28.4°C). July is the month when Alexander's temperatures reach their peak, with averages of 83.1°F (28.4°C) and lows of 66.7°F (19.3°C). For July, the heat index is computed to be a tropical 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Alexander, is another warm month, with an average temperature ranging between min 64.8°F (18.2°C) and max 82°F (27.8°C). The arrival of August denotes a barely perceptible change in the average high-temperatures to a still moderately hot 82°F (27.8°C) from July's 83.1°F (28.4°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Alexander, Illinois, with an average temperature fluctuating between 77.5°F (25.3°C) and 58.8°F (14.9°C). September denotes a minimal variation in the average high-temperature to a still moderately hot 77.5°F (25.3°C) from August's 82°F (27.8°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Alexander, Illinois, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 64.2°F (17.9°C). October's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 77.5°F (25.3°C) in September to an enjoyable 64.2°F (17.9°C). Weather in October »Weather in November
November, the last month of the autumn in Alexander, is also a fresh month, with an average temperature fluctuating between 50.7°F (10.4°C) and 36.3°F (2.4°C). Start of November brings a shift in the average high-temperature, falling from October's refreshing 64.2°F (17.9°C) to a cool 50.7°F (10.4°C). Weather in November »Weather in December
December, the first month of the winter in Alexander, is also an icy month, with an average temperature varying between 39°F (3.9°C) and 28°F (-2.2°C). Alexander's weather in December involves a decrease in the average high-temperature, moving down from November's fresh 50.7°F (10.4°C) to a wintry 39°F (3.9°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
Alexander notes the coldest temperatures in January, with a average high of 33.6°F (0.9°C) and a low of 21.4°F (-5.9°C).
In Alexander, Illinois, during the entire year, the rain falls for 126.6 days and collects up to 17.95" (456mm) of precipitation.
January through April, November and December are months with snowfall.
The month with the most snowfall is January, when snow falls for 7.6 days and typically aggregates up to 1.57" (40mm) of snow.
In Alexander, Illinois, during the entire year, snow falls for 23.2 days and aggregates up to 4.45" (113mm) of snow.
With an average of 4.2h of sunshine, January has the least sunshine of the year in Alexander, Illinois.
The months with the lowest UV index in Alexander, Illinois, are January, February, November and December, with an average maximum UV index of 2.
February and December are months with the least rain in Alexander when the rain falls for 5.8 days and typically aggregates up to 0.79" (20mm) of rain.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Alexander, 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.
In Alexander, Illinois, snow does not fall in May through October.
The month with the most rainfall is June, when the rain falls for 14.3 days and typically aggregates up to 2.36" (60mm) of precipitation.
June has the longest days of the year in Alexander, Illinois, with an average of 14h and 54min of daylight.
June has the most sunshine of the year, with an average of 10.1h of sunshine.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July, known for its average high temperature of 83.1°F (28.4°C) and an average low temperature of 66.7°F (19.3°C), is the warmest month in Alexander, Illinois.
The most humid month in Alexander, Illinois, is July, with an average relative humidity of 83%.
With an average relative humidity of 71%, October is the least humid month in Alexander.
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Alexander, IL
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.6°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure
Alexander, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Alexander, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity
Alexander, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Alexander, IL
- Average rainfall in January:
0.91" - Average rainfall in February:
0.79" - Average rainfall in March:
1.22" - Average rainfall in April:
1.97" - Average rainfall in May:
2.2" - Average rainfall in June:
2.36"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.65" - Average rainfall in September:
1.77" - Average rainfall in October:
1.61" - Average rainfall in November:
1.02" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (2.36").
The driest months (with the least rainfall) are February and December (0.79").
Average rainfall days
Alexander, IL
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
6 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.2 days).
Average snowfall
Alexander, IL
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Alexander, IL
- Average snowfall days in January:
7.6 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.5 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:
1.6 days - Average snowfall days in December:
4.7 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Alexander, IL
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Alexander, IL
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
17 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (12.9 days).
Average UV index
Alexander, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Alexander, IL
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility
Alexander, 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).
