| < 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 Rome in December is a little cool at 7.9 °C (46.22 °F).
- Afternoons can be mild with average high temperatures reaching 12.8 °C (55 °F).
- Overnight temperatures are generally very cool with an average low of 3 °C (37.4 °F).
- The mean daily temperature range/ variation in December is 9.8 °C (17.6 °F).
- The weather in December is hardly arid with rain, sleet or snow at times. Circa 92.5mm (3.6in) of fluid descends during on average 10 days.
- The skies in Rome are dull with on balance merely 3:17 of radiant sunshine daily.
- The shortest day is 9:07 long and the longest day is 9:19 long with an average length of 9:10.
- There are approximately 5:42 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 36.6% of daylight hours and cloudy 63.4% of daylight hours.
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Weather Trend Graph for December in Rome, Italy
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