Grottaferrata in December
5.9out of 10
Possible, with caveats
Cool: highs only around 12°C. Frequent rain: about 11 rainy days.
12°CAvg high
4°CAvg low
11Rainy days (113 mm)
8:59 hDaylight
07:36Sunrise · 16:35 Sunset
Why this score
- Cool: highs only around 12°C
- Frequent rain: about 11 rainy days
- Rain varies a lot between years (±5.0 days)
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in December varies a lot between years (±5.0 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 11°C | 3°C | 79 mm | 10 | – | – | 6.1 |
| February | 12°C | 3°C | 83 mm | 10 | – | – | 6.2 |
| March | 15°C | 6°C | 88 mm | 11 | – | – | 6.5 |
| April | 18°C | 8°C | 94 mm | 13 | – | – | 6.6 |
| May | 22°C | 12°C | 74 mm | 10 | – | – | 7.7 |
| June | 26°C | 16°C | 46 mm | 8 | – | – | 8.1 |
| July | 29°C | 19°C | 29 mm | 5 | – | – | 8.3 |
| August | 30°C | 19°C | 30 mm | 6 | – | – | 8.1 |
| September | 25°C | 16°C | 93 mm | 10 | – | – | 7.7 |
| October | 21°C | 12°C | 125 mm | 11 | – | – | 7.2 |
| November | 16°C | 8°C | 147 mm | 13 | – | – | 6.1 |
| December | 12°C | 4°C | 113 mm | 11 | – | – | 5.9 |
Frequently asked questions
How hot is Grottaferrata in December?
Daytime highs average 12°C and nights about 4°C.
When is the best time to visit Grottaferrata?
The best months are July, June, August.