| < April >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Mt Vernon, Il in April is mild at 12.7 °C (54.86 °F).
- Afternoons can be somewhat warm with average high temperatures reaching 18.8 °C (65.8 °F).
- Overnight temperatures are generally a little cool with an average low of 6.6 °C (43.9 °F).
- The variation/ range of diurnal mean temperatures in April is 12.2 °C (22 °F).
- The weather in April is not exactly parched. Circa 106.2mm (4.2in) of water falls.
- The shortest day is 12:33 long and the longest day is 13:42 long with an average length of 13:09.
Check the distance to and compare the Mt Vernon, Il April averages with somewhere beginning with:
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Weather Trend Graph for April in Mt Vernon, Il, Usa
Navigate to April Weather in Locations Surrounding Mt Vernon, Il:
- Pana, Il, Usa - 154.6 kms (96.1 miles) N
- Carlinville, Il, Usa - 161.6 kms (100.4 miles) NNW
- White Halle, Il, Usa - 141.2 kms (87.7 miles) NW
- St. Louis/ Lambert, Mo, Usa - 145.4 kms (90.4 miles) NW
- Saint Louis, Missouri, Usa - 146.6 kms (91.1 miles) NW
- Sparta, Il, Usa - 63.5 kms (39.5 miles) WNW
- Farmington, Mo, Usa - 87.6 kms (54.4 miles) W
- Marble Hill, Mo, Usa - 115.1 kms (71.5 miles) SW
- Cairo-Illinois, Usa - 112.2 kms (69.7 miles) S
- Windsor, Il, Usa - 111.2 kms (69.1 miles) N
- Palestine, Il, Usa - 141.2 kms (87.7 miles) NE
- Hillsboro, Il, Usa - 111.2 kms (69.1 miles) N
- Mcleansboro, Il, Usa - 42 kms (26.1 miles) ENE
- Evansville/ Regional, In, Usa - 128.6 kms (79.9 miles) E
- Princeton, In, Usa - 87.6 kms (54.4 miles) E
- Owensboro, Ky, Usa - 164.3 kms (102.1 miles) E
- Hopkinsville, Ky, Usa - 183.6 kms (114.1 miles) SE