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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 Old Shawneetown, Illinois, is another cold winter month, with an average temperature varying between 26.8°F (-2.9°C) and 39.7°F (4.3°C). The month of January, characterized by an average high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C), is recognized as the coldest. Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Old Shawneetown, Illinois, with an average temperature fluctuating between 44.6°F (7°C) and 30.6°F (-0.8°C). February commences with an average high-temperature of a chilly 44.6°F (7°C), showing little deviation from January's 39.7°F (4.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Old Shawneetown, Illinois, with an average temperature fluctuating between 55.4°F (13°C) and 39.6°F (4.2°C). The average high-temperature increases in March, moving from a frosty 44.6°F (7°C) in February to a refreshing 55.4°F (13°C). Weather in March »
Weather in April
April is an enjoyable spring month in Old Shawneetown, Illinois, with an average temperature ranging between min 48.9°F (9.4°C) and max 66.4°F (19.1°C). As March transitions into April, a change in temperatures is observed, with average highs moving from a moderate 55.4°F (13°C) to a comfortable 66.4°F (19.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Old Shawneetown, Illinois, with an average temperature fluctuating between 58.3°F (14.6°C) and 75.6°F (24.2°C). The shift into May brings an increase in the average high-temperature, moving from a refreshing 66.4°F (19.1°C) in April 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 Old Shawneetown, Illinois, with an average temperature ranging between max 84°F (28.9°C) and min 66.4°F (19.1°C). A subtle rise in the average high-temperature is observed during June, adjusting from 75.6°F (24.2°C) in May to a still moderately hot 84°F (28.9°C). Weather in June »
Weather in July
July is a tropical summer month in Old Shawneetown, Illinois, with an average temperature ranging between min 68.4°F (20.2°C) and max 86.2°F (30.1°C). July is the warmest month, with the temperature often reaching an average high of 86.2°F (30.1°C) and an average low of 68.4°F (20.2°C). For July, the heat index is evaluated at a sweltering 98.6°F (37°C). Weather in July »
Weather in August
August, the last month of the summer in Old Shawneetown, is also a moderately hot month, with an average temperature fluctuating between 66.2°F (19°C) and 84.9°F (29.4°C). Old Shawneetown experiences a recorded average high-temperature of a moderately hot 84.9°F (29.4°C) in August, closely aligned with July's 86.2°F (30.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Old Shawneetown, is also a moderately hot month, with an average temperature fluctuating between 60.8°F (16°C) and 79.9°F (26.6°C). The advent of September denotes an average high-temperature of a still moderately hot 79.9°F (26.6°C), subtly different from August's 84.9°F (29.4°C). Weather in September »
Weather in October
October, like September, in Old Shawneetown, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 49.6°F (9.8°C) and 67.8°F (19.9°C). October's onset brings a reduction in the average high-temperature, from a moderately hot 79.9°F (26.6°C) in September to a comfortable 67.8°F (19.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Old Shawneetown, Illinois, with an average temperature ranging between max 54.1°F (12.3°C) and min 38.8°F (3.8°C). November's onset brings a reduction in the average high-temperature, from an enjoyable 67.8°F (19.9°C) in October to a fresh 54.1°F (12.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Old Shawneetown, Illinois, with an average temperature fluctuating between 44.6°F (7°C) and 32.9°F (0.5°C). With December's onset, the weather shows a temperature decrease, transitioning from a fresh 54.1°F (12.3°C) in November to a frosty 44.6°F (7°C). Weather in December »
Updated: Aug 24, 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?
Old Shawneetown reaches its average lowest temperatures in January, measuring 39.7°F (4.3°C) at the peak and 26.8°F (-2.9°C) at the lowest.
How many days does it rain?
In Old Shawneetown, Illinois, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
How many days does it snow?
In Old Shawneetown, during the entire year, snow falls for 15.9 days and aggregates up to 3.58" (91mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.5h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
When does it snow the most?
February is the month with the most snowfall in Old Shawneetown. Snow falls for 4.3 days and accumulates 0.87" (22mm) of snow.
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.
What is the rainiest month?
April is the month with the most rainfall. Rain falls for 14.7 days and accumulates 3.27" (83mm) of precipitation.
What is the most humid month?
With an average relative humidity of 80%, May is the most humid month.
When it does not snow?
In Old Shawneetown, snow does not fall in May through October.
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, marked by an average high-temperature of 86.2°F (30.1°C) and a low-temperature of 68.4°F (20.2°C), is the warmest month.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the driest month in Old Shawneetown?
The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.14" (29mm) of precipitation.
What is the least humid month?
October is the least humid month, with an average relative humidity of 70%.
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
Old Shawneetown, IL
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Old Shawneetown, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"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 (29.95"Hg).
Average wind speed
Old Shawneetown, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.5mph - Average wind speed in October:
8.2mph - Average wind speed in November:
8.8mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Old Shawneetown, IL
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Old Shawneetown, IL
- Average rainfall in January:
1.97" - Average rainfall in February:
2.17" - Average rainfall in March:
2.28" - Average rainfall in April:
3.27" - Average rainfall in May:
2.4" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.05" - Average rainfall in August:
1.77" - Average rainfall in September:
1.14" - Average rainfall in October:
1.77" - Average rainfall in November:
1.85" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days
Old Shawneetown, IL
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).
Average snowfall
Old Shawneetown, IL
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Old Shawneetown, IL
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.3 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:
3.5 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Old Shawneetown, 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 3min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Old Shawneetown, IL
- Average sunshine days in January:
17 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
17 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).
Average UV index
Old Shawneetown, 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
Old Shawneetown, IL
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Old Shawneetown, 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).
Old Shawneetown, Illinois, USA
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