In-Water conditions
Temperature
The yearly average water temperature in Malta is the highest in all of Europe, at 20°C. It can reach a maximum of around 29°C in the period of July/August, and reaches a minimum of about 15°C in the period of January/February. The Mediterranean climate makes it a perfect place for diving, from the warm summer to the temperate winter.
| Min (°C) | Max (°C) | Avg (°C) | Minimum Recommended suit | |
| January | 15 | 17 | 16 | Drysuit/Semi-dry (7mm) |
| February | 14 | 16 | 15 | Drysuit/Semi-dry (7mm) |
| March | 14 | 16 | 15 | Drysuit/Semi-dry (7mm) |
| April | 16 | 18 | 17 | Drysuit/Semi-dry (7mm) |
| May | 18 | 20 | 19 | Semidry (7mm) |
| June | 20 | 25 | 22 | Wetsuit (5mm) |
| July | 24 | 28 | 26 | Wetsuit (5mm) |
| August | 25 | 29 | 27 | Wetsuit (5mm) |
| September | 25 | 29 | 26 | Wetsuit (5mm) |
| October | 22 | 25 | 24 | Wetsuit (5mm) |
| November | 20 | 23 | 22 | Semi-dry (7mm) |
| December | 18 | 21 | 19 | Drysuit/Semi-dry (7mm) |
Visibility
The visibility in the Water is some of the best visibility you can get! It can reach as high as 40 m in perfect conditions. The average visibility is between 20 – 30 m: conditions can vary throughout the year and with tourism activity.
Currents & Tides
The currents in Malta/Gozo are low to moderate: for increased safety, ask your local dive guide about any potential currents before starting a dive. Malta and Gozo have a microtidal regime with a typical tidal range of 0.2–0.4 m, rarely exceeding 0.6 m even at spring tides, resulting in generally weak tidal currents at most dive sites.
Surface conditions
Temperature
Malta/Gozo has a mediteranean climate with a warm summer and a temperate winter.
| Min (°C) | Max (°C) | Avg (°C) | |
| January | 13 | 16 | 13 |
| February | 13 | 16 | 13 |
| March | 15 | 18 | 14 |
| April | 17 | 20 | 16 |
| May | 20 | 24 | 20 |
| June | 24 | 29 | 23 |
| July | 27 | 32 | 27 |
| August | 28 | 32 | 27 |
| September | 25 | 28 | 25 |
| October | 22 | 25 | 21 |
| November | 18 | 21 | 17 |
| December | 15 | 18 | 14 |
Humidity
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 79 | 79 | 79 | 77 | 74 | 71 | 69 | 73 | 77 | 78 | 77 | 79 |
Rain
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 94.7 | 63.4 | 37.0 | 26.3 | 9.2 | 71.0 | 0.2 | 6.0 | 67.4 | 77.2 | 108.6 | 107.7 |
| Days | 12 | 12 | 9 | 6 | 3 | 1 | 0 | 1 | 5 | 9 | 13 | 16 |
Sunlight
Malta is one of the sunniest countries in Europe as it enjoys more than 300 days of sun/year!
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours/day | 5 | 7 | 7 | 8 | 10 | 11 | 12 | 12 | 9 | 7 | 7 | 5 |
