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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 Thebes, Illinois, is an icy winter month, with an average temperature ranging between min 27.9°F (-2.3°C) and max 41°F (5°C). Thebes experiences its lowest average temperatures in January, reaching a peak of 41°F (5°C) and a minimum of 27.9°F (-2.3°C). Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Thebes, Illinois, with an average temperature ranging between max 45.5°F (7.5°C) and min 31.5°F (-0.3°C). Thebes's average high-temperature in February is a frosty 45.5°F (7.5°C), marking an insignificant difference from the 41°F (5°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Thebes, Illinois, with an average temperature ranging between max 56.3°F (13.5°C) and min 40.5°F (4.7°C). March signals a shift in the average high-temperature, moving from February's chilly 45.5°F (7.5°C) to a mild 56.3°F (13.5°C). Weather in March »
Weather in April
April in Thebes, Illinois, is a comfortable spring month, with an average temperature ranging between min 49.8°F (9.9°C) and max 67.1°F (19.5°C). The start of April brings a shift in the average high-temperature, increasing from March's 56.3°F (13.5°C) to a still refreshing 67.1°F (19.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Thebes, Illinois, with temperature in the range of an average low of 59°F (15°C) and an average high of 76.3°F (24.6°C). An escalation in the average high-temperature is seen with the onset of May, moving from an enjoyable 67.1°F (19.5°C) in April to a moderately hot 76.3°F (24.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Thebes, Illinois, with an average temperature ranging between max 86°F (30°C) and min 67.5°F (19.7°C). Thebes sees a rise in temperature during June, with average high-temperatures transitioning from a moderately hot 76.3°F (24.6°C) in May to a hot 86°F (30°C). Weather in June »
Weather in July
July, the same as June, in Thebes, Illinois, is another tropical summer month, with an average temperature fluctuating between 88.3°F (31.3°C) and 69.4°F (20.8°C). July is the warmest month of the year, registering average temperatures as high as 88.3°F (31.3°C) and as low as 69.4°F (20.8°C). The average heat index in July is appraised at a blistering 104°F (40°C). Weather in July »
Weather in August
August, the last month of the summer in Thebes, is another hot month, with an average temperature fluctuating between 67.1°F (19.5°C) and 86.2°F (30.1°C). Thebes's transition from July to August introduces an average high-temperature of a still hot 86.2°F (30.1°C), marking an insignificant variation from the 88.3°F (31.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Thebes, is still a warm month, with an average temperature varying between 61.3°F (16.3°C) and 81.1°F (27.3°C). Thebes's weather in September indicates an average high-temperature of a warm 81.1°F (27.3°C), nearly consistent with the 86.2°F (30.1°C) of August. Weather in September »
Weather in October
October, like September, is an agreeable autumn month in Thebes, Illinois, with an average temperature varying between 68.9°F (20.5°C) and 50.7°F (10.4°C). Transition into October marks a drop in the average high-temperature, moving from a warm 81.1°F (27.3°C) in September to an agreeable 68.9°F (20.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Thebes, is also a fresh month, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 54.7°F (12.6°C). As November arrives, Thebes's weather displays a decrease in high-temperatures, transitioning from October's agreeable 68.9°F (20.5°C) to a fresh 54.7°F (12.6°C). Weather in November »
Weather in December
December, the first month of the winter in Thebes, is still a chilly month, with an average temperature varying between 45.5°F (7.5°C) and 33.1°F (0.6°C). The shift from November to December corresponds with a decrease in the average high-temperature, down to a frosty 45.5°F (7.5°C) from a fresh 54.7°F (12.6°C). Weather in December »
Updated: Aug 21, 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 time of year?
Thebes records the coldest temperatures in January, averaging a high of 41°F (5°C) and a low of 27.9°F (-2.3°C).
How much does it rain?
In Thebes, Illinois, during the entire year, the rain falls for 158.6 days and collects up to 35.59" (904mm) 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 11.2 snowfall days, and 4.92" (125mm) of snow is accumulated.
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?
February is the month with the most snowfall. Snow falls for 3.6 days and accumulates 2.17" (55mm) of snow.
What is the month with the least sunshine?
February has the least sunshine of the year in Thebes, with an average of 4.8h of sunshine.
What is the most humid month?
March and May, with an average relative humidity of 78%, are most humid months.
When is Daylight Saving Time (DST) in Thebes?
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 15.3 days and typically aggregates up to 4.33" (110mm) of precipitation.
When it does not snow?
In Thebes, snow does not fall in May through September.
What are the months with 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 has the most sunshine?
June has the most sunshine of the year, with an average of 10.7h of sunshine.
What are the warmest months?
Thebes's warmest month, July, registers temperatures that range from a high of 88.3°F (31.3°C) to a low of 69.4°F (20.8°C).
What is the driest month?
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.5" (38mm) of precipitation.
What is the least humid month?
With an average relative humidity of 69%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 42min of daylight.
Average temperature
Thebes, 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 (41°F).
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure
Thebes, 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:
29.97"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
Thebes, IL
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.5mph - 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:
6.2mph - Average wind speed in October:
7.7mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8.6mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Thebes, IL
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Thebes, IL
- Average rainfall in January:
2.32" - Average rainfall in February:
3.07" - Average rainfall in March:
3.54" - Average rainfall in April:
4.33" - Average rainfall in May:
3.98" - Average rainfall in June:
2.99"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.72" - Average rainfall in September:
1.5" - Average rainfall in October:
2.83" - Average rainfall in November:
2.95" - Average rainfall in December:
2.44"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days
Thebes, IL
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
11.6 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.8 days).
Average snowfall
Thebes, IL
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Thebes, IL
- Average snowfall days in January:
3.7 days - Average snowfall days in February:
3.6 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.1 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:
0.1 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
1.6 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Thebes, 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 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 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
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 48min).
Average sunshine days
Thebes, IL
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (11.9 days).
Average UV index
Thebes, 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
Thebes, IL
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, August and September (Cloud cover 27).
Average visibility
Thebes, 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).
Thebes, Illinois, USA
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