Climate averages 1991–2020
Ancona weather
in December.
A cool, moderately wet month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Ancona: daytime highs average 11.1°C and nights cool to about 6.3°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 67 mm of rain on roughly 10 days, which makes December a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 00 min on an average December day.
The nearest other city in this atlas is Pesaro (58 km away). In December its highs average 10.6°C, 0.5°C cooler than Ancona, with 78 mm of rain.
Among the 79 cities listed in Italy, Ancona ranks joint 36th of 79 for the warmest December highs and joint 22nd of 79 for the driest December (rainfall, lowest first). The mean December high of those 79 cities is 10.5°C; Ancona is 0.7°C warmer than that mean.
From December to January, average highs fall by 1.1°C to 10.0°C, and monthly rainfall falls from 67 mm to 49 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ancona climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.0°C4.9°C | 4.9°C | 49 | 8.7 | 9.39 h |
| February | 10.6°C4.6°C | 4.6°C | 53 | 8.8 | 10.510 h |
| March | 13.2°C6.7°C | 6.7°C | 63 | 8.4 | 11.912 h |
| April | 16.3°C9.7°C | 9.7°C | 62 | 9.5 | 13.413 h |
| May | 20.8°C14.2°C | 14.2°C | 57 | 8.3 | 14.715 h |
| June | 25.4°C18.5°C | 18.5°C | 38 | 6.2 | 15.415 h |
| July | 28.2°C21.1°C | 21.1°C | 28 | 4.5 | 15.115 h |
| August | 28.3°C21.3°C | 21.3°C | 41 | 5.8 | 14.014 h |
| September | 23.7°C17.6°C | 17.6°C | 60 | 7.8 | 12.613 h |
| October | 19.4°C13.9°C | 13.9°C | 59 | 8.1 | 11.111 h |
| November | 14.8°C9.9°C | 9.9°C | 71 | 10.5 | 9.710 h |
| December, selected | 11.1°C6.3°C | 6.3°C | 67 | 10.1 | 9.09 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Pesaro in DecemberItaly · 58 kmHigh 10.6°C · Low 6.1°C · 78 mm rain
- Rimini in DecemberItaly · 91 kmHigh 10.4°C · Low 5.5°C · 81 mm rain
- San Marino in DecemberSan Marino · 93 kmHigh 6.6°C · Low -0.2°C · 81 mm rain
- Perugia in DecemberItaly · 106 kmHigh 8.0°C · Low 0.8°C · 83 mm rain
- Cesena in DecemberItaly · 118 kmHigh 9.6°C · Low 2.2°C · 62 mm rain
- Arezzo in DecemberItaly · 132 kmHigh 9.3°C · Low 2.7°C · 99 mm rain
- Terni in DecemberItaly · 136 kmHigh 11.1°C · Low 3.2°C · 107 mm rain
- Forlì in DecemberItaly · 136 kmHigh 9.6°C · Low 1.8°C · 65 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ancona) is explained once on the Ancona year overview and on the Sources, method and limits page.