Climate averages 1991–2020
Valletta weather
in May.
A mild, very dry month: the 6th warmest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Valletta: daytime highs average 20.3°C and nights cool to about 17.1°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 5.7 mm of rain on roughly 1 day, which makes May a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 03 min on an average May day.
The nearest other city in this atlas is Ragusa (116 km away). In May its highs average 20.7°C, about as warm as Valletta, with 24 mm of rain.
From May to June, average highs rise by 3.8°C to 24.1°C, and monthly rainfall falls from 5.7 mm to 2.5 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Ragusa in MayItaly · 116 kmHigh 20.7°C · Low 12.6°C · 24 mm rain
- Gela in MayItaly · 133 kmHigh 23.2°C · Low 14.4°C · 11 mm rain
- Siracusa in MayItaly · 148 kmHigh 22.5°C · Low 15.9°C · 14 mm rain
- Catania in MayItaly · 184 kmHigh 23.8°C · Low 15.2°C · 29 mm rain
- Reggio Calabria in MayItaly · 266 kmHigh 22.8°C · Low 14.3°C · 24 mm rain
- Palermo in MayItaly · 267 kmHigh 22.8°C · Low 15.6°C · 37 mm rain
- Messina in MayItaly · 271 kmHigh 22.1°C · Low 15.5°C · 30 mm rain
- Marsala in MayItaly · 281 kmHigh 22.1°C · Low 15.4°C · 19 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.