Climate and monthly weather forecastHardin, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Hardin, Illinois, is an icy winter month, with an average temperature fluctuating between 22.5°F (-5.3°C) and 35.8°F (2.1°C). Temperature readings reach their annual highs in January, averaging 35.8°F (2.1°C) and a minimum average of 22.5°F (-5.3°C). Weather in January »Weather in February
February, the last month of the winter in Hardin, is also an icy month, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 26.4°F (-3.1°C). In Hardin, February's average high-temperature stands at a still cold 40.6°F (4.8°C), closely related to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Hardin, is a cool month, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 52.7°F (11.5°C). Hardin in March shows a temperature shift, moving from an average high of an icy 40.6°F (4.8°C) in February to a cool 52.7°F (11.5°C). Weather in March »Weather in April
April is a refreshing spring month in Hardin, Illinois, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 46°F (7.8°C). The onset of April brings a temperature shift, with the average high-temperature moving from a fresh 52.7°F (11.5°C) in March to a refreshing 64.6°F (18.1°C). Weather in April »Weather in May
May, the last month of the spring in Hardin, is a moderately hot month, with temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 56.1°F (13.4°C). May's onset brings a temperature rise, moving from a refreshing 64.6°F (18.1°C) in April to a warm 73.8°F (23.2°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Hardin, Illinois, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 83.1°F (28.4°C). The start of June brings a shift in the average high-temperature, increasing from May's moderately hot 73.8°F (23.2°C) to a still warm 83.1°F (28.4°C). Weather in June »Weather in July
July, like June, in Hardin, Illinois, is another warm summer month, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 85.8°F (29.9°C). July stands out as Hardin's warmest month, with temperatures ranging between an average high of 85.8°F (29.9°C) and a low of 67.6°F (19.8°C). Throughout July, the heat index is computed to be a very hot 98.6°F (37°C). Weather in July »Weather in August
August, the last month of the summer in Hardin, is another warm month, with an average temperature ranging between max 84.6°F (29.2°C) and min 65.5°F (18.6°C). Hardin's August average high-temperature settles at a still warm 84.6°F (29.2°C), showing a near match with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Hardin, is still a warm month, with an average temperature fluctuating between 78.8°F (26°C) and 59.2°F (15.1°C). Hardin, Illinois, in September undergoes a slight reduction in the average high-temperature, shifting from August's 84.6°F (29.2°C) to a still moderately hot 78.8°F (26°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Hardin, Illinois, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 65.3°F (18.5°C). In October, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 78.8°F (26°C) in September to a comfortable 65.3°F (18.5°C). Weather in October »Weather in November
November, the last month of the autumn in Hardin, is another cool month, with an average temperature fluctuating between 52°F (11.1°C) and 36.9°F (2.7°C). The move into November indicates a reduction in the average high-temperature, down from October's refreshing 65.3°F (18.5°C) to a cool 52°F (11.1°C). Weather in November »Weather in December
December, the first month of the winter in Hardin, is also a wintry month, with an average temperature ranging between min 28.9°F (-1.7°C) and max 41°F (5°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a fresh 52°F (11.1°C) to a cold 41°F (5°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
January, with average temperatures reaching a high of 35.8°F (2.1°C) and a low of 22.5°F (-5.3°C), is the coldest month in Hardin, Illinois.
January and February are months with the least rain in Hardin, Illinois, when the rain falls for 6.2 days and typically aggregates up to 0.83" (21mm) of rain.
Throughout the year, in Hardin, there are 130.3 rainfall days, and 17.87" (454mm) of precipitation is accumulated.
Months with snowfall in Hardin, Illinois, are January through March, November and December.
In Hardin, during the entire year, snow falls for 21 days and aggregates up to 4.25" (108mm) of snow.
The months with the least sunshine in Hardin are January and February, with an average of 4.6h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 6.6 days and accumulates 1.3" (33mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hardin, 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 Hardin, snow does not fall in April through October.
With an average relative humidity of 80%, May is the most humid month.
The month with the most rainfall in Hardin, Illinois, is May, when the rain falls for 14.6 days and typically aggregates up to 2.17" (55mm) of precipitation.
The month with the longest days is June, with an average of 14h and 54min of daylight.
June has the most sunshine of the year in Hardin, with an average of 10.4h of sunshine.
The months with the highest UV index in Hardin are June through August, with an average maximum UV index of 6.
Hardin, Illinois, registers the average highest temperatures during July, with peaks of 85.8°F (29.9°C) and lows of 67.6°F (19.8°C).
October is the least humid month in Hardin, Illinois, with an average relative humidity of 71%.
The month with the shortest days in Hardin is December, with an average of 9h and 30min of daylight.
Average temperature
Hardin, IL
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (35.8°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure
Hardin, IL
- Average pressure in January:
30.16"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 (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Hardin, IL
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.4mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.7mph - Average wind speed in December:
8.8mph
The windiest months (with the highest average wind speed) are January and February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Hardin, IL
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Hardin, IL
- Average rainfall in January:
0.83" - Average rainfall in February:
0.83" - Average rainfall in March:
1.3" - Average rainfall in April:
1.97" - Average rainfall in May:
2.17" - Average rainfall in June:
2.13"
- Average rainfall in July:
1.93" - Average rainfall in August:
1.93" - Average rainfall in September:
1.3" - Average rainfall in October:
1.57" - Average rainfall in November:
0.94" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are January and February (0.83").
Average rainfall days
Hardin, IL
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
13 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.2 days).
Average snowfall
Hardin, IL
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Hardin, IL
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.3 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:
1.1 days - Average snowfall days in December:
3.9 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hardin, IL
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
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 30min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 12min - Average sunshine in September:
9h and 36min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Hardin, IL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index
Hardin, 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
Hardin, IL
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Hardin, 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).
