April weather forecastThebes, IL
April
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).Temperature
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). In Thebes, the expected average low-temperature for April is a chilly 49.8°F (9.9°C).Humidity
In Thebes, the average relative humidity in April is 77%.Rainfall
The month with the most rainfall in Thebes is April, when the rain falls for 15.3 days and typically aggregates up to 4.33" (110mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.1 snowfall days, in April, Thebes aggregates 0.04" (1mm) of snow. Throughout the year, there are 11.2 snowfall days, and 4.92" (125mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 11min.On the first day of April, sunrise is at 6:42 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:46 pm CDT.
Sunshine
In April, the average sunshine is 8.7h.UV index
In Thebes, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In April, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Thebes, IL
- Average high temperature in April: 67.1°F
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).
- Average low temperature in April: 49.8°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 in April
Thebes, IL
- Average pressure in April: 29.96"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 in April
Thebes, IL
- Average wind speed in April: 8.9mph
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 in April
Thebes, IL
- Average humidity in April: 77%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in April
Thebes, IL
- Average rainfall in April: 4.33"
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 in April
Thebes, IL
- Average rainfall days in April: 15.3 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 in April
Thebes, IL
- Average snowfall in April: 0.04"
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 in April
Thebes, IL
- Average snowfall days in April: 0.1 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 in April /
Average sunshine in April
Thebes, IL
- Average daylight in April: 13h and 12min
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 April: 8h and 42min
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 in April
Thebes, IL
- Average sunshine days in April: 13.1 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 in April
Thebes, IL
- Average UV index in April: 5
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 in April
Thebes, IL
- Average cloud cover in April: 40
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 in April
Thebes, IL
- Average visibility in April: 6mi
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).





