| < 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 Walnut, Il in April is a little cool at 9.8 °C (49.64 °F).
- Afternoons can be very mild with average high temperatures reaching 15.9 °C (60.6 °F).
- Overnight temperatures are generally cool with an average low of 3.6 °C (38.5 °F).
- The range/ variation of daily mean temperatures in April is 12.3 °C (22.1 °F).
- The weather in April is not exactly parched. Circa 100.8mm (4in) of H2O tumbles.
- The shortest day is 12:38 long and the longest day is 13:58 long with an average length of 13:19.
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Weather Trend Graph for April in Walnut, Il, Usa
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