Roma in December
If December is your window for visiting Roma, here's what the climate data says you can expect.
Daytime highs average 32.6 degrees, dropping to 20.9 degrees overnight. That's a 12-degree swing between day and night. Warm days and warm nights. It doesn't cool down much, even after sunset.
December is 5.5 degrees warmer than the yearly average here.
The rain data says 66mm over 9 days. A decent amount, but not relentless.
Sunshine-wise, December delivers around 27.5 MJ/m2 of daily solar radiation. UV sits in the extreme category. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
The Comfort Score is 4.6/10 for December. It's fine, but not the highlight of the calendar.
Packing tip: bring light, breathable clothing, waterproof gear, and serious sun protection.
Check the data table below for the full picture, or compare Roma in December with another destination.
December at a Glance
Temperature Range
Daily temperature range in December. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Light, breathable clothing and a wide-brimmed hat
- A light rain jacket just in case
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How December in Roma stacks up against major cities around the world.
About 25 degrees warmer and considerably wetter.
About 27 degrees warmer and considerably drier.
About 21 degrees warmer and considerably wetter.
How December Compares
Roma's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 33.9 | 23.1 | 115mm | 3.2 |
| Feb | 32.4 | 21.9 | 54mm | 4.9 |
| Mar | 30.0 | 20.1 | 102mm | 5.8 |
| Apr | 24.7 | 13.9 | 76mm | 9.7 |
| May | 22.3 | 11.3 | 10mm | 9.2 |
| Jun | 18.6 | 6.8 | 16mm | 6.5 |
| Jul | 17.7 | 6.8 | 18mm | 5.9 |
| Aug | 24.2 | 11.3 | 28mm | 10.0 |
| Sep | 26.7 | 12.3 | 3mm | 9.5 |
| Oct | 30.7 | 16.8 | 29mm | 6.5 |
| Nov | 31.9 | 20.3 | 163mm | 4.3 |
| Dec | 32.6 | 20.9 | 66mm | 4.6 |