Rome weather in December
In December, Rome has an average high of 13 °C56 °F and an average low of 5 °C42 °F, with about 91 mm3.6 in of precipitation. It is the 10th warmest month of the year and ranks 2nd for precipitation.
How December compares with other months
Compared with November, December is 4.3 °C7.8 °F cooler on average and drier by 23 mm0.9 in. Compared with January, December is 1.1 °C2 °F warmer on average and wetter by 19 mm0.7 in. Daylight lasts about 9.1 hours around the middle of the month. Average relative humidity is 81% and the average cloud amount 55%.
Is December a good time to visit Rome?
December is not among the most comfortable months by our comfort score: it is cool (average high 13 °C56 °F) and it is fairly wet (91 mm3.6 in). The most comfortable months in Rome are April–June and September and October.
What to wear in December
For Rome in December, pack long sleeves, a sweater and a medium jacket and an umbrella or light rain jacket.
December in nearby places
| Place | High °C°F | Low °C°F | Precip. mmin |
|---|---|---|---|
| Rome | 1356 | 542 | 913.6 |
| Terni | 1253 | 439 | 863.4 |
| Perugia | 947 | 134 | 833.3 |
| Pescara | 1356 | 1051 | 863.4 |
| Arezzo | 948 | 235 | 823.2 |
| Naples | 1356 | 744 | 843.3 |
| San Marino | 643 | 235 | 682.7 |
| Salerno | 1458 | 948 | 823.2 |
| Florence | 1050 | 439 | 702.7 |
Nearby places that are more than 1 °C1.8 °F warmer in December: Pescara and Salerno; cooler: Terni, Perugia, Arezzo and San Marino.
Other months in Rome
- January12 °C54 °F / 4 °C40 °F
- February13 °C55 °F / 4 °C40 °F
- March16 °C61 °F / 7 °C44 °F
- April20 °C68 °F / 10 °C50 °F
- May24 °C76 °F / 14 °C57 °F
- June30 °C85 °F / 18 °C65 °F
- July33 °C92 °F / 21 °C70 °F
- August33 °C92 °F / 21 °C71 °F
- September28 °C82 °F / 17 °C63 °F
- October23 °C74 °F / 14 °C56 °F
- November18 °C64 °F / 10 °C49 °F
- December13 °C56 °F / 5 °C42 °F
Frequently asked questions
How warm is Rome in December?
In December the average high in Rome is 13 °C (56 °F) and the average low is 5 °C (42 °F).
Does it rain a lot in Rome in December?
On average about 91 mm (3.6 in) of precipitation falls in December; it ranks 2nd of the 12 months.
Is December the warmest month in Rome?
No. The warmest month in Rome is August, with an average high of 33 °C (92 °F). The coldest month is January, with an average low of 4 °C (40 °F).
How long is the day in Rome in December?
In the middle of December the day in Rome lasts about 9.1 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.
How humid is Rome in December?
The average relative humidity in December is about 81%. This is a long-term average for the whole day.
How cloudy is Rome in December?
On average about 55% of the sky is covered by cloud in December. This is the mean cloud amount from satellite data, not the number of sunny days.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 198 m, while Rome lies at about 20 m. Temperatures on this page were therefore adjusted by +1.2 °C2.1 °F using the standard lapse rate of 6.5 °C per 1,000 m.