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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, is an icy winter month in Hecker, Illinois, with an average temperature ranging between min 25.2°F (-3.8°C) and max 38.3°F (3.5°C). Hecker, Illinois, records the coldest temperatures in January, averaging a high of 38.3°F (3.5°C) and a low of 25.2°F (-3.8°C). Weather in January »
Weather in February
February, the last month of the winter in Hecker, is a chilly month, with an average temperature ranging between max 43.2°F (6.2°C) and min 28.8°F (-1.8°C). The average high-temperature in February, at a frosty 43.2°F (6.2°C), reveals a modest deviation from January's 38.3°F (3.5°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Hecker, Illinois, with an average temperature fluctuating between 38.1°F (3.4°C) and 54.5°F (12.5°C). With the beginning of March, Hecker's average high-temperature sees an increase, transitioning from a frosty 43.2°F (6.2°C) in February to a cool 54.5°F (12.5°C). Weather in March »
Weather in April
April is an enjoyable spring month in Hecker, Illinois, with temperature in the range of an average high of 65.7°F (18.7°C) and an average low of 47.8°F (8.8°C). Hecker's April weather shows an increase in high-temperatures, moving from March's cool 54.5°F (12.5°C) to an enjoyable 65.7°F (18.7°C). Weather in April »
Weather in May
May, the last month of the spring in Hecker, is a warm month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 75°F (23.9°C). Hecker sees a rise in temperature during May, with average high-temperatures transitioning from a comfortable 65.7°F (18.7°C) in April to a warm 75°F (23.9°C). Weather in May »
Weather in June
June, the first month of the summer in Hecker, is still a warm month, with an average temperature fluctuating between 84.7°F (29.3°C) and 66.6°F (19.2°C). June signals a shift in the average high-temperature, moving from May's moderately hot 75°F (23.9°C) to a still warm 84.7°F (29.3°C). Weather in June »
Weather in July
July in Hecker, Illinois, is a hot summer month, with an average temperature fluctuating between 86.5°F (30.3°C) and 68.5°F (20.3°C). In Hecker, July is the warmest month, with temperatures averaging a high of 86.5°F (30.3°C) and a low of 68.5°F (20.3°C). The heat index in July is evaluated at a sweltering 100.4°F (38°C). Weather in July »
Weather in August
August, the last month of the summer in Hecker, is another warm month, with an average temperature ranging between min 66°F (18.9°C) and max 84.7°F (29.3°C). The transition into August marks the average high-temperature at a moderately hot 84.7°F (29.3°C), differing minimally from July's 86.5°F (30.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Hecker, is also a moderately hot month, with temperature in the range of an average low of 60.3°F (15.7°C) and an average high of 79.7°F (26.5°C). The onset of September manifests an average high-temperature of a still moderately hot 79.7°F (26.5°C), demonstrating a minor variation from the preceding month. Weather in September »
Weather in October
October, like September, in Hecker, Illinois, is another refreshing autumn month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 49.1°F (9.5°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a warm 79.7°F (26.5°C) in September to a refreshing 66.7°F (19.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Hecker, is another cool month, with temperature in the range of an average high of 53.6°F (12°C) and an average low of 37.9°F (3.3°C). As November arrives, Hecker's weather displays a decrease in high-temperatures, transitioning from October's enjoyable 66.7°F (19.3°C) to a fresh 53.6°F (12°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Hecker, Illinois, with an average temperature ranging between max 43.3°F (6.3°C) and min 31.1°F (-0.5°C). December's onset corresponds with a shift in the average high-temperature, moving from a fresh 53.6°F (12°C) in November to a frosty 43.3°F (6.3°C). Weather in December »
Updated: Aug 9, 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 are the coldest months?
With average high and low temperatures of 38.3°F (3.5°C) and 25.2°F (-3.8°C) respectively, January is Hecker's coldest month.
How much does it rain?
Throughout the year, there are 154.1 rainfall days, and 35.28" (896mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
What is the snowiest month in Hecker?
January is the month with the most snowfall. Snow falls for 6.7 days and accumulates 2.24" (57mm) of snow.
How many days does it snow?
Throughout the year, there are 18.2 snowfall days, and 6.38" (162mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.6h of sunshine.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 9.3 days and typically collects 1.85" (47mm) of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hecker, 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.
When it does not snow?
April through October are months without snowfall.
What is the most humid month?
May is the most humid month, with an average relative humidity of 79%.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 4.37" (111mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What month has the most sunshine?
With an average of 10.5h of sunshine, June has the most sunshine of the year.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Hecker.
What are the warmest months?
In Hecker, temperatures reach their average annual highs in July, measuring 86.5°F (30.3°C) and a minimum average of 68.5°F (20.3°C).
What is the least humid month?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Hecker, IL
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°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 (25.2°F).
Average pressure
Hecker, 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:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"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 (29.93"Hg).
Average wind speed
Hecker, IL
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.4mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity
Hecker, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Hecker, IL
- Average rainfall in January:
2.4" - Average rainfall in February:
1.85" - Average rainfall in March:
2.83" - Average rainfall in April:
4.02" - Average rainfall in May:
4.37" - Average rainfall in June:
3.9"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.03" - Average rainfall in September:
2.01" - Average rainfall in October:
2.99" - Average rainfall in November:
2.2" - Average rainfall in December:
2.44"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days
Hecker, IL
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
15.5 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Hecker, IL
The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Hecker, IL
- Average snowfall days in January:
6.7 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.2 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3.3 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Hecker, 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 2min - Average daylight in June:
14h and 5min
- 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 48min).
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 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Hecker, IL
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
13 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (11.9 days).
Average UV index
Hecker, 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
Hecker, IL
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility
Hecker, 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).
Hecker, Illinois, USA
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