Trieste in December
5.1out of 10
Not the best time
Cold: highs around 7°C. Frequent rain: about 10 rainy days.
7°CAvg high
3°CAvg low
10Rainy days (129 mm)
8:31 hDaylight
07:46Sunrise · 16:16 Sunset
Why this score
- Cold: highs around 7°C
- Frequent rain: about 10 rainy days
- Rain varies a lot between years (±4.8 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 (±4.8 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 | 6°C | 2°C | 90 mm | 9 | – | – | 5.2 |
| February | 7°C | 2°C | 97 mm | 9 | – | – | 5.4 |
| March | 11°C | 5°C | 101 mm | 10 | – | – | 5.9 |
| April | 15°C | 8°C | 110 mm | 12 | – | – | 6.2 |
| May | 19°C | 13°C | 122 mm | 13 | – | – | 6.7 |
| June | 23°C | 17°C | 111 mm | 12 | – | – | 7.3 |
| July | 26°C | 19°C | 87 mm | 11 | – | – | 7.6 |
| August | 26°C | 19°C | 112 mm | 10 | – | – | 7.6 |
| September | 21°C | 15°C | 169 mm | 11 | – | – | 7.0 |
| October | 16°C | 11°C | 184 mm | 13 | – | – | 5.9 |
| November | 11°C | 7°C | 195 mm | 13 | – | – | 5.0 |
| December | 7°C | 3°C | 129 mm | 10 | – | – | 5.1 |
Frequently asked questions
How hot is Trieste in December?
Daytime highs average 7°C and nights about 3°C.
When is the best time to visit Trieste?
The best months are July, August, June, September.