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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, like December, in Herod, Illinois, is another cold winter month, with temperature in the range of an average high of 39.7°F (4.3°C) and an average low of 26.2°F (-3.2°C). Herod reaches its lowest average temperatures in January, measuring 39.7°F (4.3°C) at the peak and 26.2°F (-3.2°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Herod, Illinois, with an average temperature fluctuating between 44.1°F (6.7°C) and 30.2°F (-1°C). February reports an average high-temperature of a frosty 44.1°F (6.7°C), slightly varied from January's 39.7°F (4.3°C). Weather in February »
Weather in March
March, the first month of the spring in Herod, is a cool month, with temperature in the range of an average low of 39.2°F (4°C) and an average high of 55°F (12.8°C). A rise in the average high-temperature is observed during March, moving from a chilly 44.1°F (6.7°C) in February to a cool 55°F (12.8°C). Weather in March »
Weather in April
April in Herod, Illinois, is an enjoyable spring month, with an average temperature fluctuating between 66.4°F (19.1°C) and 48.7°F (9.3°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a cool 55°F (12.8°C) to an enjoyable 66.4°F (19.1°C). Weather in April »
Weather in May
May, the last month of the spring in Herod, is a moderately hot month, with an average temperature ranging between min 58.1°F (14.5°C) and max 75.6°F (24.2°C). Noticing a change, the average high-temperature during May moves from April's refreshing 66.4°F (19.1°C) to a warm 75.6°F (24.2°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Herod, Illinois, with an average temperature varying between 84.7°F (29.3°C) and 66.2°F (19°C). June's onset is marked by a temperature increase, moving from 75.6°F (24.2°C) in May to a still warm 84.7°F (29.3°C). Weather in June »
Weather in July
July is a hot summer month in Herod, Illinois, with temperature in the range of an average high of 87.3°F (30.7°C) and an average low of 68.5°F (20.3°C). In Herod, the month of July registers the highest temperatures, averaging 87.3°F (30.7°C) at the peak and 68.5°F (20.3°C) at the lowest. The heat index in July is estimated at a fiery hot 102.2°F (39°C). Weather in July »
Weather in August
August, the last month of the summer in Herod, is also a moderately hot month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 66°F (18.9°C). As Herod transitions into August, the average high-temperature stands at a warm 85.6°F (29.8°C), offering little variation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Herod, is still a warm month, with an average temperature fluctuating between 80.8°F (27.1°C) and 60.4°F (15.8°C). The arrival of September sees a recorded average high-temperature of a still warm 80.8°F (27.1°C), showing little divergence from the previous month's conditions. Weather in September »
Weather in October
October, like September, in Herod, Illinois, is another refreshing autumn month, with an average temperature varying between 49.3°F (9.6°C) and 67.8°F (19.9°C). In the transition to October, Herod observes a drop in the average high-temperature, moving from a moderately hot 80.8°F (27.1°C) in September to a comfortable 67.8°F (19.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Herod, is also a fresh month, with an average temperature varying between 38.7°F (3.7°C) and 53.8°F (12.1°C). A decrease in the average high-temperature is observed during November, shifting from a refreshing 67.8°F (19.9°C) in October to a fresh 53.8°F (12.1°C). Weather in November »
Weather in December
December, the first month of the winter in Herod, is still a chilly month, with an average temperature ranging between max 44.1°F (6.7°C) and min 32.4°F (0.2°C). A shift in Herod's weather is observed as November turns into December, with the average high temperature reducing from a fresh 53.8°F (12.1°C) to a frosty 44.1°F (6.7°C). Weather in December »
Updated: Aug 25, 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 is the coldest month?
In Herod, January is the coldest month, with temperatures averaging a high of 39.7°F (4.3°C) and a low of 26.2°F (-3.2°C).
How many days does it rain?
Throughout the year, there are 158.6 rainfall days, and 36.02" (915mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 5.3 days and accumulates 1.73" (44mm) of snow.
How much does it snow?
Throughout the year, there are 17.7 snowfall days, and 6.57" (167mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.6h of sunshine.
What is the month with the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST) in Herod?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Herod, 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 wettest month?
The month with the most rainfall is April, when the rain falls for 16.6 days and typically aggregates up to 4.8" (122mm) of precipitation.
What is the most humid month?
May is the most humid month, with an average relative humidity of 79%.
When it does not snow?
May through September are months without snowfall.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days in Herod?
With an average of 14h and 42min of daylight, June has the longest days of the year.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.6h of sunshine.
What time of the year is the hottest?
July is the warmest month, with the temperature often reaching an average high of 87.3°F (30.7°C) and an average low of 68.5°F (20.3°C).
What is the driest month?
September is the month with the least rainfall. Rain falls for 10.5 days and accumulates 1.57" (40mm) of precipitation.
What is the least humid month?
The least humid month is October, with an average relative humidity of 70%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Herod, IL
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°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 (26.2°F).
Average pressure
Herod, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Herod, IL
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.4mph - Average wind speed in October:
8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.8mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Herod, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Herod, IL
- Average rainfall in January:
2.68" - Average rainfall in February:
2.8" - Average rainfall in March:
3.39" - Average rainfall in April:
4.8" - Average rainfall in May:
3.86" - Average rainfall in June:
3.46"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.52" - Average rainfall in September:
1.57" - Average rainfall in October:
2.64" - Average rainfall in November:
2.64" - Average rainfall in December:
2.8"
The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days
Herod, IL
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
15.4 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).
Average snowfall
Herod, IL
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Herod, IL
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.6 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:
1.2 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Herod, 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 1min - Average daylight in June:
14h and 4min
- 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 42min).
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 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Herod, IL
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
9.9 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
15 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).
Average UV index
Herod, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Herod, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility
Herod, 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).
Herod, Illinois, USA
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