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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 Mound City, Illinois, is an icy winter month, with temperature in the range of an average high of 41.2°F (5.1°C) and an average low of 28.4°F (-2°C). Mound City experiences its lowest average temperatures in January, reaching a peak of 41.2°F (5.1°C) and a minimum of 28.4°F (-2°C). Weather in January »
Weather in February
February, the last month of the winter in Mound City, is a chilly month, with an average temperature fluctuating between 45.7°F (7.6°C) and 31.8°F (-0.1°C). Mound City, Illinois, signifies an average high-temperature of a frosty 45.7°F (7.6°C) in February, closely mirroring the 41.2°F (5.1°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Mound City, Illinois, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 56.8°F (13.8°C). As Mound City transitions into March, a rise in the average high-temperature is observed, moving from a chilly 45.7°F (7.6°C) in February to a moderate 56.8°F (13.8°C). Weather in March »
Weather in April
April in Mound City, Illinois, is a comfortable spring month, with an average temperature varying between 67.6°F (19.8°C) and 50.2°F (10.1°C). In Mound City, the average high-temperature in April increases from a moderate 56.8°F (13.8°C) in March to an enjoyable 67.6°F (19.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Mound City, Illinois, with an average temperature fluctuating between 59.5°F (15.3°C) and 76.6°F (24.8°C). Mound City's transition into May is marked by a temperature shift, moving from a refreshing 67.6°F (19.8°C) in April to a warm 76.6°F (24.8°C). Weather in May »
Weather in June
June, the first month of the summer in Mound City, is a hot month, with an average temperature ranging between max 86°F (30°C) and min 67.6°F (19.8°C). The arrival of June brings a temperature shift, with the average high-temperature escalating from a warm 76.6°F (24.8°C) in May to a tropical 86°F (30°C). Weather in June »
Weather in July
July, like June, is a hot summer month in Mound City, Illinois, with an average temperature varying between 69.8°F (21°C) and 88.2°F (31.2°C). With average high and low temperatures of 88.2°F (31.2°C) and 69.8°F (21°C) respectively, July is Mound City's warmest month. The heat index for July is evaluated at a blisteringly hot 104°F (40°C). Weather in July »
Weather in August
August, the last month of the summer in Mound City, is another hot month, with an average temperature varying between 67.5°F (19.7°C) and 86.4°F (30.2°C). With August's arrival, Mound City's weather records an average high-temperature of a still tropical 86.4°F (30.2°C), marking little difference from July's 88.2°F (31.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Mound City, Illinois, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 81.5°F (27.5°C). September reports an average high-temperature of a warm 81.5°F (27.5°C), slightly varied from August's 86.4°F (30.2°C). Weather in September »
Weather in October
October, like September, is an agreeable autumn month in Mound City, Illinois, with an average temperature fluctuating between 51.1°F (10.6°C) and 68.9°F (20.5°C). Mound City in October undergoes a mild reduction in the average high-temperature, shifting from September's moderately hot 81.5°F (27.5°C) to a pleasant 68.9°F (20.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another mild month in Mound City, Illinois, with an average temperature ranging between max 55.4°F (13°C) and min 40.1°F (4.5°C). As November begins, there is a decrease in the average high-temperature, falling from a pleasant 68.9°F (20.5°C) in October to a mild 55.4°F (13°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Mound City, Illinois, with an average temperature ranging between min 33.8°F (1°C) and max 45.5°F (7.5°C). Setting in of December comes with a decrease in the average high-temperature, moving from a mild 55.4°F (13°C) in November to a chilly 45.5°F (7.5°C). Weather in December »
Updated: Aug 31, 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?
Temperature readings in Mound City reach their annual highs in January, averaging 41.2°F (5.1°C) and a minimum average of 28.4°F (-2°C).
How much does it rain?
In Mound City, during the entire year, the rain falls for 156.3 days and collects up to 36.65" (931mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
How many days does it snow?
In Mound City, during the entire year, snow falls for 11.5 days and aggregates up to 4.88" (124mm) of snow.
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 in Mound City.
What is the most humid month?
The months with the highest humidity are February, March, May and December, with an average relative humidity of 78%.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 3.8 days and typically aggregates up to 1.5" (38mm) of snow.
What is the month with the least sunshine?
With an average of 4.7h of sunshine, February has the least sunshine of the year.
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 in Mound City?
April is the month with the most rainfall. Rain falls for 15.2 days and accumulates 4.21" (107mm) of precipitation.
When it does not snow?
In Mound City, snow does not fall in May through September.
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?
June has the longest days of the year, with an average of 14h and 42min of daylight.
What month has the most sunshine in Mound City?
The month with the most sunshine is June, with an average of 10.7h of sunshine.
What time of the year is the hottest?
With average high and low temperatures of 88.2°F (31.2°C) and 69.8°F (21°C) respectively, July is Mound City's warmest month.
What is the driest month in Mound City?
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.42" (36mm) of precipitation.
What is the least humid month?
October is the least humid month, with an average relative humidity of 69%.
What is the month with the shortest days in Mound City?
With an average of 9h and 42min of daylight, December has the shortest days of the year.
Average temperature
Mound City, IL
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure
Mound City, 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:
30.05"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 (29.94"Hg).
Average wind speed
Mound City, IL
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9mph - Average wind speed in May:
7.6mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Mound City, IL
The months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Mound City, IL
- Average rainfall in January:
2.36" - Average rainfall in February:
3.58" - Average rainfall in March:
3.94" - Average rainfall in April:
4.21" - Average rainfall in May:
3.94" - Average rainfall in June:
2.95"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.72" - Average rainfall in September:
1.42" - Average rainfall in October:
2.68" - Average rainfall in November:
3.11" - Average rainfall in December:
2.91"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days
Mound City, IL
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
11.4 days - Average rainfall days in March:
15.4 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).
Average snowfall
Mound City, IL
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Mound City, IL
- Average snowfall days in January:
3.4 days - Average snowfall days in February:
3.8 days - Average snowfall days in March:
1.3 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:
1.5 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Mound City, IL
- Average daylight in January:
10h and 0min - 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 3min - 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 42min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 4min - 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 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Mound City, IL
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).
Average UV index
Mound City, 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
Mound City, IL
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility
Mound City, 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).
Mound City, Illinois, USA
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