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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 Jonesboro, Illinois, with an average temperature fluctuating between 26.8°F (-2.9°C) and 39.7°F (4.3°C). January, with an average high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C), signifies the coldest month of the year. Weather in January »
Weather in February
February, the last month of the winter in Jonesboro, is a chilly month, with an average temperature ranging between min 30.4°F (-0.9°C) and max 44.6°F (7°C). Jonesboro observes a minor difference in average high-temperatures between January's 39.7°F (4.3°C) and February's 44.6°F (7°C). Weather in February »
Weather in March
March, the first month of the spring in Jonesboro, is a moderate month, with an average temperature ranging between max 55.6°F (13.1°C) and min 39.4°F (4.1°C). March brings a temperature increase, with average high-temperatures moving from February's chilly 44.6°F (7°C) to a moderate 55.6°F (13.1°C). Weather in March »
Weather in April
April is a comfortable spring month in Jonesboro, Illinois, with an average temperature ranging between max 66.6°F (19.2°C) and min 48.9°F (9.4°C). The shift into April brings an increase in the average high-temperature, moving from a mild 55.6°F (13.1°C) in March to a comfortable 66.6°F (19.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Jonesboro, Illinois, with an average temperature fluctuating between 58.1°F (14.5°C) and 75.7°F (24.3°C). May sees a rise in the average high-temperature, climbing from a refreshing 66.6°F (19.2°C) in April to a warm 75.7°F (24.3°C). Weather in May »
Weather in June
June, the first month of the summer in Jonesboro, is still a warm month, with an average temperature fluctuating between 85.6°F (29.8°C) and 66.2°F (19°C). As May transitions into June, Jonesboro sees a rise in the average high-temperature, moving from 75.7°F (24.3°C) to a still moderately hot 85.6°F (29.8°C). Weather in June »
Weather in July
July is a tropical summer month in Jonesboro, Illinois, with an average temperature fluctuating between 69.1°F (20.6°C) and 88.3°F (31.3°C). Jonesboro experiences its highest average temperatures in July, reaching a peak of 88.3°F (31.3°C) and a minimum of 69.1°F (20.6°C). Throughout July, the heat index is evaluated at a scorching 104°F (40°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Jonesboro, Illinois, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 86.5°F (30.3°C). Jonesboro's shift into August sets the average high-temperature at a still hot 86.5°F (30.3°C), a figure that deviates only slightly from July's 88.3°F (31.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Jonesboro, is still a warm month, with an average temperature ranging between max 81°F (27.2°C) and min 60.6°F (15.9°C). Jonesboro in September experiences a gentle temperature dip, with average high-temperatures reducing from a hot 86.5°F (30.3°C) in August to a moderately hot 81°F (27.2°C). Weather in September »
Weather in October
October, like September, in Jonesboro, Illinois, is another enjoyable autumn month, with an average temperature ranging between max 67.8°F (19.9°C) and min 49.5°F (9.7°C). The shift from September to October involves a decrease in the average high-temperature, dropping from a moderately hot 81°F (27.2°C) to a comfortable 67.8°F (19.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Jonesboro, Illinois, with an average temperature varying between 54.5°F (12.5°C) and 38.7°F (3.7°C). Jonesboro experiences a temperature shift at the start of November, with average high-temperatures adjusting from an enjoyable 67.8°F (19.9°C) in October to a cool 54.5°F (12.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Jonesboro, Illinois, with an average temperature varying between 44.8°F (7.1°C) and 32.2°F (0.1°C). As December commences, the average high-temperature shows a reduction, transitioning from a fresh 54.5°F (12.5°C) in November to a frosty 44.8°F (7.1°C). Weather in December »
Updated: Jun 29, 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 39.7°F (4.3°C) and 26.8°F (-2.9°C) respectively, January is Jonesboro's coldest month.
How much does it rain?
In Jonesboro, during the entire year, the rain falls for 143 days and collects up to 27.44" (697mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 14.9 snowfall days, and 6.06" (154mm) of snow is accumulated.
What is the month with the least sunshine in Jonesboro?
January and February, with an average of 4.6h of sunshine, are months with the least 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.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 3.9 days and typically aggregates up to 1.89" (48mm) of snow.
When is Daylight Saving Time (DST) in Jonesboro?
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.
What is the rainiest month?
The month with the most rainfall is April, when the rain falls for 13.4 days and typically aggregates up to 3.31" (84mm) of precipitation.
What is the most humid month?
The most humid month in Jonesboro is May, with an average relative humidity of 79%.
When it does not snow?
In Jonesboro, snow does not fall in May through September.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
June has the longest days of the year, with an average of 14h and 42min of daylight.
What month is the hottest?
July is the month when Jonesboro's temperatures reach their peak, with averages of 88.3°F (31.3°C) and lows of 69.1°F (20.6°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.4h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.3" (33mm) of precipitation.
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?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Jonesboro, IL
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Jonesboro, 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:
30.02"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
Jonesboro, IL
- Average wind speed in January:
9mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Jonesboro, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Jonesboro, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
2.24" - Average rainfall in March:
2.48" - Average rainfall in April:
3.31" - Average rainfall in May:
2.95" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.44" - Average rainfall in September:
1.3" - Average rainfall in October:
2.01" - Average rainfall in November:
1.97" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days
Jonesboro, IL
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
8.7 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Jonesboro, IL
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Jonesboro, IL
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.4 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:
2.6 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Jonesboro, 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 2min - 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 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Jonesboro, IL
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
21 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
19.6 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index
Jonesboro, 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
Jonesboro, IL
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility
Jonesboro, 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).
Jonesboro, Illinois, USA
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