Climate averages 1991–2020
Valletta weather
in December.
A mild, moderately wet month: the 9th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Valletta: daytime highs average 16.2°C and nights cool to about 13.7°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 72 mm of rain on roughly 10 days, which makes December a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 46 min on an average December day.
The nearest other city in this atlas is Ragusa (116 km away). In December its highs average 12.4°C, 3.8°C cooler than Valletta, with 60 mm of rain.
From December to January, average highs fall by 1.6°C to 14.6°C, and monthly rainfall falls from 72 mm to 54 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
Valletta climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.6°C12.1°C | 12.1°C | 54 | 9.4 | 10.010 h |
| February | 14.3°C11.6°C | 11.6°C | 50 | 8.1 | 10.911 h |
| March | 15.4°C12.5°C | 12.5°C | 32 | 5.4 | 11.912 h |
| April | 17.2°C14.2°C | 14.2°C | 14 | 3.3 | 13.113 h |
| May | 20.3°C17.1°C | 17.1°C | 5.7 | 1.4 | 14.014 h |
| June | 24.1°C20.7°C | 20.7°C | 2.5 | 0.4 | 14.515 h |
| July | 26.9°C23.4°C | 23.4°C | 0.3 | 0.1 | 14.314 h |
| August | 27.8°C24.5°C | 24.5°C | 3.4 | 0.6 | 13.514 h |
| September | 25.8°C22.9°C | 22.9°C | 33 | 4.0 | 12.412 h |
| October | 23.0°C20.2°C | 20.2°C | 52 | 6.5 | 11.311 h |
| November | 19.5°C16.8°C | 16.8°C | 69 | 9.3 | 10.310 h |
| December, selected | 16.2°C13.7°C | 13.7°C | 72 | 9.8 | 9.810 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
- Ragusa in DecemberItaly · 116 kmHigh 12.4°C · Low 7.3°C · 60 mm rain
- Gela in DecemberItaly · 133 kmHigh 15.4°C · Low 9.6°C · 65 mm rain
- Siracusa in DecemberItaly · 148 kmHigh 15.7°C · Low 11.0°C · 80 mm rain
- Catania in DecemberItaly · 184 kmHigh 15.3°C · Low 9.1°C · 64 mm rain
- Reggio Calabria in DecemberItaly · 266 kmHigh 13.5°C · Low 8.6°C · 74 mm rain
- Palermo in DecemberItaly · 267 kmHigh 15.3°C · Low 10.6°C · 67 mm rain
- Messina in DecemberItaly · 271 kmHigh 14.8°C · Low 10.6°C · 109 mm rain
- Marsala in DecemberItaly · 281 kmHigh 15.2°C · Low 11.3°C · 70 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 Valletta) is explained once on the Valletta year overview and on the Sources, method and limits page.