| < December >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Cairo, Illinois in December is cool at 4 °C (39.2 °F).
- Afternoons can be a little cool with average high temperatures reaching 8 °C (46.4 °F).
- Overnight temperatures are generally slightly cold with an average low of 0 °C (32 °F).
- The average diurnal temperature variation/ range in December is 8 °C (14.4 °F).
- The weather in December is hardly arid with sleet, rain or snow at times. Circa 94mm (3.7in) of fluid precipitates during on average 10 days.
- The heavens above Cairo, Illinois are slightly fair having on balance a modest 4:38 of radiant solar radiation per day.
- The shortest day is 9:36 long and the longest day is 9:47 long with an average length of 9:39.
- There are approximately 4:51 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 48.9% of daylight hours and cloudy 51.1% of daylight hours.
Check the distance to and compare the Cairo, Illinois December averages with somewhere beginning with:
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Weather Trend Graph for December in Cairo, Illinois, Usa
Navigate to December Weather in Locations Surrounding Cairo, Illinois:
- Mcleansboro, Il, Usa - 133.7 kms (83.1 miles) NNE
- Evansville/ Regional, In, Usa - 185.4 kms (115.2 miles) NE
- Mt Vernon, Il, Usa - 112.2 kms (69.7 miles) N
- Duquoin, Il, Usa - 112.2 kms (69.7 miles) N
- Princeton, In, Usa - 151.5 kms (94.2 miles) NE
- Harrisburg, Il, Usa - 112.2 kms (69.7 miles) N
- Hopkinsville, Ky, Usa - 149.9 kms (93.1 miles) E
- Dickson, Tn, Usa - 189.2 kms (117.6 miles) ESE
- Dover, Tn, Usa - 152.4 kms (94.7 miles) SE
- Jackson, Tn, Usa - 157.3 kms (97.7 miles) SSE