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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 Holcomb, Illinois, is a freezing cold winter month, with an average temperature varying between 27°F (-2.8°C) and 14.7°F (-9.6°C). Holcomb's coldest weather arrives in January, when temperatures average a high of 27°F (-2.8°C) and a low of 14.7°F (-9.6°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Holcomb, Illinois, with an average temperature ranging between min 18.1°F (-7.7°C) and max 30.9°F (-0.6°C). January's transformation into February witnesses an average high-temperature of a still subzero cold 30.9°F (-0.6°C), noting a minor change from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Holcomb, is a chilly month, with an average temperature varying between 30.4°F (-0.9°C) and 44.4°F (6.9°C). With the onset of March, Holcomb sees a temperature rise, with the average high-temperature moving from February's freezing cold 30.9°F (-0.6°C) to a chilly 44.4°F (6.9°C). Weather in March »
Weather in April
April is a refreshing spring month in Holcomb, Illinois, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 40.3°F (4.6°C). Holcomb's weather in April presents a rise in the average high-temperature, moving from a chilly 44.4°F (6.9°C) in March to a mild 56.8°F (13.8°C). Weather in April »
Weather in May
May, the last month of the spring in Holcomb, is a pleasant month, with an average temperature fluctuating between 52°F (11.1°C) and 68.9°F (20.5°C). As Holcomb welcomes May, the average high-temperature sees a rise, transitioning from a moderate 56.8°F (13.8°C) in April to a pleasant 68.9°F (20.5°C). Weather in May »
Weather in June
June, the first month of the summer in Holcomb, is a moderately hot month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 60.4°F (15.8°C). In Holcomb, the onset of June comes with a modest high-temperature shift, transitioning from May's agreeable 68.9°F (20.5°C) to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Holcomb, Illinois, with an average temperature varying between 63.1°F (17.3°C) and 79.9°F (26.6°C). July is the month when Holcomb experiences its warmest temperatures, averaging a high of 79.9°F (26.6°C) and a low of 63.1°F (17.3°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Holcomb, Illinois, with an average temperature fluctuating between 61.2°F (16.2°C) and 78.3°F (25.7°C). Holcomb's transition from July to August introduces an average high-temperature of a still moderately hot 78.3°F (25.7°C), marking an insignificant variation from the 79.9°F (26.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Holcomb, is also a moderately hot month, with an average temperature varying between 54.5°F (12.5°C) and 73.4°F (23°C). A minor adjustment in Holcomb's average high-temperature is noted with the start of September, touching a still moderately hot 73.4°F (23°C) from August's 78.3°F (25.7°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Holcomb, Illinois, with an average temperature fluctuating between 59.9°F (15.5°C) and 44.2°F (6.8°C). The transition into October involves a decrease in the average high-temperature, falling from a warm 73.4°F (23°C) in September to a mild 59.9°F (15.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Holcomb, Illinois, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 45.3°F (7.4°C). November's arrival is marked by a significant decrease in the average high-temperature, moving from a mild 59.9°F (15.5°C) in October to a chilly 45.3°F (7.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Holcomb, Illinois, with an average temperature ranging between min 22.8°F (-5.1°C) and max 32.9°F (0.5°C). In Holcomb, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 45.3°F (7.4°C) to an icy 32.9°F (0.5°C). Weather in December »
Updated: Jul 11, 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?
Holcomb experiences its average lowest temperatures in January, reaching a peak of 27°F (-2.8°C) and a minimum of 14.7°F (-9.6°C).
What is the most humid month?
January and July, with an average relative humidity of 85%, are most humid months.
How many days does it rain?
Throughout the year, there are 124.5 rainfall days, and 14.49" (368mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall in Holcomb.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 10.3 days and accumulates 2.2" (56mm) of snow.
How much does it snow in Holcomb?
Throughout the year, there are 37.1 snowfall days, and 6.14" (156mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.6h of sunshine.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.55" (14mm) of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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?
May through September are months without snowfall.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 16 days and accumulates 2.13" (54mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 9.5h of sunshine.
What is the warmest month?
Holcomb's warmest temperatures are experienced in July, with average high temperatures of 79.9°F (26.6°C) and lows of 63.1°F (17.3°C).
What is the least humid month?
The least humid month in Holcomb is October, with an average relative humidity of 74%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Holcomb, IL
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure
Holcomb, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.11"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:
29.91"Hg
- Average pressure in July:
29.97"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:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Holcomb, IL
- Average wind speed in January:
10mph - Average wind speed in February:
10mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Holcomb, IL
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Holcomb, IL
- Average rainfall in January:
0.63" - Average rainfall in February:
0.55" - Average rainfall in March:
0.79" - Average rainfall in April:
1.5" - Average rainfall in May:
2.09" - Average rainfall in June:
2.13"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.26" - Average rainfall in September:
1.14" - Average rainfall in October:
1.26" - Average rainfall in November:
0.79" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days
Holcomb, IL
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
Holcomb, IL
The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Holcomb, IL
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5 days - Average snowfall days in April:
1 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:
0.5 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Holcomb, 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 1min - 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 12min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Holcomb, IL
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index
Holcomb, 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
Holcomb, IL
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility
Holcomb, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Holcomb, Illinois, USA
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