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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 Heyworth, Illinois, is another subzero cold winter month, with an average temperature varying between 31.3°F (-0.4°C) and 19.8°F (-6.8°C). January is the coldest month, with the temperature often reaching an average high of 31.3°F (-0.4°C) and an average low of 19.8°F (-6.8°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Heyworth, Illinois, with an average temperature varying between 36.1°F (2.3°C) and 23.4°F (-4.8°C). With the onset of February, Heyworth's average high-temperature clocks in at a wintry 36.1°F (2.3°C), showing a minor fluctuation from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Heyworth, is a frosty month, with an average temperature varying between 34.3°F (1.3°C) and 49.3°F (9.6°C). March's arrival signals a temperature shift, moving from an icy 36.1°F (2.3°C) in February to a chilly 49.3°F (9.6°C). Weather in March »
Weather in April
April in Heyworth, Illinois, is a refreshing spring month, with temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 61.3°F (16.3°C). As March transitions into April, a change in temperatures is observed, with average highs moving from a frosty 49.3°F (9.6°C) to an enjoyable 61.3°F (16.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Heyworth, Illinois, with an average temperature varying between 72°F (22.2°C) and 55.6°F (13.1°C). May marks a rise in the average high-temperature, moving from April's refreshing 61.3°F (16.3°C) to a pleasant 72°F (22.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Heyworth, Illinois, with an average temperature ranging between max 79.7°F (26.5°C) and min 63.7°F (17.6°C). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from an agreeable 72°F (22.2°C) in May to a warm 79.7°F (26.5°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Heyworth, Illinois, with an average temperature fluctuating between 81.1°F (27.3°C) and 64.9°F (18.3°C). July is the month when Heyworth's temperatures reach their peak, with averages of 81.1°F (27.3°C) and lows of 64.9°F (18.3°C). The average heat index in July is appraised at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Heyworth, is also a moderately hot month, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 63.3°F (17.4°C). As July transitions into August, Heyworth records an average high-temperature of a still moderately hot 80.2°F (26.8°C), showing a gentle shift from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Heyworth, Illinois, with an average temperature varying between 75.9°F (24.4°C) and 57.7°F (14.3°C). Heyworth notes an average high-temperature of a still moderately hot 75.9°F (24.4°C) in September, displaying minor variation from August. Weather in September »
Weather in October
October, like September, in Heyworth, Illinois, is another enjoyable autumn month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 63°F (17.2°C). The shift from September to October involves a decrease in the average high-temperature, from a moderately hot 75.9°F (24.4°C) to a comfortable 63°F (17.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Heyworth, Illinois, with an average temperature ranging between max 48.4°F (9.1°C) and min 35.1°F (1.7°C). November brings with it a considerable temperature decrease, with average high-temperatures dropping from October's refreshing 63°F (17.2°C) to a frosty 48.4°F (9.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Heyworth, Illinois, with an average temperature varying between 37°F (2.8°C) and 27°F (-2.8°C). The arrival of December signals a shift in temperature, down from a chilly 48.4°F (9.1°C) in November to a cold 37°F (2.8°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Heyworth?
January, with its high-temperature average of 31.3°F (-0.4°C) and a low-temperature average of 19.8°F (-6.8°C), is the coldest month.
How many days does it rain in Heyworth?
In Heyworth, Illinois, during the entire year, the rain falls for 124.4 days and collects up to 13.23" (336mm) of precipitation.
When does it snow in Heyworth?
January through April, November and December are months with snowfall.
When does it snow the most in Heyworth?
The month with the most snowfall is January, when snow falls for 8.5 days and typically aggregates up to 1.61" (41mm) of snow.
How many days does it snow in Heyworth?
In Heyworth, Illinois, during the entire year, snow falls for 25.3 days and aggregates up to 5.28" (134mm) of snow.
What is the month with the least sunshine in Heyworth?
The month with the least sunshine in Heyworth, Illinois, is January, with an average of 3.9h of sunshine.
When is the lowest UV index in Heyworth?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Heyworth?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Heyworth, 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 rainiest month in Heyworth?
May is the month with the most rainfall in Heyworth, Illinois. Rain falls for 15.8 days and accumulates 1.69" (43mm) of precipitation.
When it does not snow in Heyworth?
May through October are months without snowfall in Heyworth.
When are the longest days in Heyworth?
With an average of 15h and 0min of daylight, June has the longest days of the year in Heyworth, Illinois.
What month has the most sunshine in Heyworth?
With an average of 10.1h of sunshine, June has the most sunshine of the year in Heyworth.
What are the months with the highest UV index in Heyworth?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Heyworth.
What part of the year is the hottest in Heyworth?
Heyworth, Illinois, records the warmest temperatures in July, averaging a high of 81.1°F (27.3°C) and a low of 64.9°F (18.3°C).
What is the most humid month in Heyworth?
The most humid month in Heyworth, Illinois, is July, with an average relative humidity of 85%.
What is the least humid month in Heyworth?
The least humid month in Heyworth is October, with an average relative humidity of 71%.
What is the driest month in Heyworth?
The month with the least rainfall in Heyworth, Illinois, is December, when the rain falls for 7.4 days and typically collects 0.67" (17mm) of precipitation.
What is the month with the shortest days in Heyworth?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Heyworth, IL
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Heyworth, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Heyworth, IL
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.8mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Heyworth, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Heyworth, IL
- Average rainfall in January:
0.83" - Average rainfall in February:
0.75" - Average rainfall in March:
1.02" - Average rainfall in April:
1.38" - Average rainfall in May:
1.69" - Average rainfall in June:
1.54"
- Average rainfall in July:
1.26" - Average rainfall in August:
1.26" - Average rainfall in September:
0.98" - Average rainfall in October:
1.02" - Average rainfall in November:
0.83" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days
Heyworth, IL
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
13 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Heyworth, IL
The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Heyworth, IL
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.7 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 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
5.2 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Heyworth, IL
- Average daylight in January:
9h and 4min - 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 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - 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 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Heyworth, IL
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
18.1 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index
Heyworth, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Heyworth, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Heyworth, 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).
Heyworth, Illinois, USA
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