Valletta climate
Valletta (Malta) has a hot-summer Mediterranean climate (Köppen Csa). The average temperature over the year is 20 °C67 °F, and about 588 mm23 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Valletta climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 1559 | 1456 | 1458 | 742.9 |
| Feb | 1458 | 1355 | 1457 | 652.6 |
| Mar | 1559 | 1457 | 1458 | 512.0 |
| Apr | 1762 | 1559 | 1661 | 331.3 |
| May | 1967 | 1864 | 1965 | 170.7 |
| Jun | 2374 | 2171 | 2272 | 110.5 |
| Jul | 2680 | 2576 | 2578 | 40.2 |
| Aug | 2781 | 2678 | 2679 | 100.4 |
| Sep | 2678 | 2476 | 2577 | 632.5 |
| Oct | 2374 | 2271 | 2373 | 823.2 |
| Nov | 2068 | 1966 | 1967 | 953.8 |
| Dec | 1762 | 1560 | 1661 | 823.2 |
| Year | 2781 | 1355 | 2067 | 58823 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 74% | 64% | 2.6 | 9:58 |
| Feb | 76% | 61% | 3.5 | 10:50 |
| Mar | 80% | 56% | 4.7 | 11:52 |
| Apr | 83% | 50% | 5.9 | 13:04 |
| May | 82% | 40% | 7.1 | 14:03 |
| Jun | 80% | 25% | 7.7 | 14:35 |
| Jul | 77% | 14% | 7.7 | 14:22 |
| Aug | 75% | 16% | 6.9 | 13:30 |
| Sep | 75% | 37% | 5.3 | 12:21 |
| Oct | 76% | 50% | 3.9 | 11:12 |
| Nov | 74% | 61% | 2.8 | 10:13 |
| Dec | 73% | 65% | 2.3 | 9:44 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Valletta is like
The warmest month is August, with an average high of 27 °C81 °F and a low of 26 °C78 °F. The coldest is February, when highs average 14 °C58 °F and lows 13 °C55 °F. There is a clear seasonal cycle, with 12.7 °C22.8 °F between the average temperature of the warmest and the coolest month.
Annual precipitation is moderate at about 588 mm23 in. The wettest three-month stretch is October–December, which brings 44% of the annual total. Months with less than 20 mm0.8 in on average: May–August. The wettest month is November (95 mm3.8 in), the driest is July (4 mm0.2 in).
Relative humidity ranges from 73% in December to 83% in April. The clearest skies (lowest average cloud amount, 14%) are typical of July. Average wind speed near the ground ranges from 12 km/h (8 mph) in August to 22 km/h (14 mph) in December. Daylight lasts from about 9.7 hours in December to 14.6 hours in June.
Best time to visit Valletta
Based on these averages, the most comfortable months for sightseeing and outdoor activities are May–October: average highs of 19 °C67 °F to 27 °C81 °F with 4 mm0.2 in to 82 mm3.2 in of precipitation per month.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Valletta
- Winter (December–February) — highs 1458 to 17 °C62 °F, lows 1355 to 15 °C60 °F, about 74 mm2.9 in of precipitation a month. Pack long sleeves, a sweater and a medium jacket.
- Spring (March–May) — highs 1559 to 19 °C67 °F, lows 1457 to 18 °C64 °F, about 34 mm1.3 in of precipitation a month. Pack long sleeves, a sweater and a medium jacket.
- Summer (June–August) — highs 2374 to 27 °C81 °F, lows 2171 to 26 °C78 °F, about 9 mm0.3 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses.
- Autumn (September–November) — highs 2068 to 26 °C78 °F, lows 1966 to 24 °C76 °F, about 80 mm3.1 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket.
How Valletta compares
Compared with Siracusa, about 148 km to the northeast, Valletta has practically the same average temperature and receives 9% more precipitation (588 mm23 in vs 539 mm21 in). The difference is largest in July (3.9 °C7.1 °F cooler).
Places in other countries with the most similar temperature and rainfall pattern: Bizerte (Tunisia, Csa), Béjaïa (Algeria, Csa) and Jijel (Algeria, Csa).
Nearby places
- Siracusa 148 km · 19 °C67 °F · 539 mm21 in
- Catania 184 km · 19 °C67 °F · 547 mm22 in
- Palermo 267 km · 19 °C66 °F · 714 mm28 in
- Messina 271 km · 20 °C67 °F · 666 mm26 in
- Sousse 350 km · 20 °C67 °F · 400 mm16 in
- Hammamet 354 km · 19 °C67 °F · 460 mm18 in
- Tripoli 356 km · 21 °C70 °F · 254 mm10 in
- Sakiet ed Daier 358 km · 20 °C68 °F · 301 mm12 in
Frequently asked questions
What is the warmest month in Valletta?
August is the warmest month in Valletta, with an average high of 27 °C (81 °F) and an average low of 26 °C (78 °F).
What is the coldest month in Valletta?
February is the coldest month, with an average high of 14 °C (58 °F) and an average low of 13 °C (55 °F).
When does it rain the most in Valletta?
November is the wettest month with about 95 mm (3.8 in) of precipitation; July is the driest with about 4 mm (0.2 in).
What is the best time to visit Valletta?
Judging by long-term averages, the most comfortable months are May–October.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.