Historical climate averages in Rome for December

Italy · 2023–2025 · 93 daily observations

A month-level reference built from observed daily highs, lows, and precipitation values. Use it to see how December fits into Rome's annual pattern, then jump to nearby months below.

Average High

13.7°C

Average Low

5.5°C

Record High

20.5°C

Record Low

0.2°C

Average Daily Precipitation

2.0mm

Data Coverage

2023–2025 (93 obs)

December in context

December in Rome is the coolest month by average daytime high. Average highs reach 13.7°C and average lows settle near 5.5°C.

the 8th wettest month by average daily precipitation. Average daily precipitation is 2.0mm, versus 3.9mm in March, the wettest month.

This snapshot is built from 93 daily observations collected between 2023 and 2025. Record highs and lows mark the single hottest and coldest daily readings in the archive for this month.

Relative to the full year

  • Daytime highs: -8.9°C vs city-wide monthly average
  • Nighttime lows: -7.2°C vs city-wide monthly average
  • Daily precipitation: -0.6mm vs city-wide monthly average

Archive quality

  • Coverage: 2023–2025 (93 obs)
  • Temperature span: 20.3°C between record low and high
  • Driest month benchmark: July at 0.7mm

How this summary is calculated

PastWeather groups all recorded days for December, then calculates the average daytime high, average nighttime low, and average daily precipitation value for that month. The cards above stay tied to observed data rather than travel copy or generic climate descriptions.

Average high / low

Mean daily maximum and minimum temperatures across every recorded December day in the archive.

Record extremes

The single hottest and coldest daily readings observed during this month, useful for understanding outlier risk.

Precipitation note

Precipitation is shown as an average daily value for this month, which helps compare wetter and drier parts of the year on the same basis.

Explore another month

Move month by month or jump straight to the warmest, coldest, or wettest part of the year for Rome.