Malta Weather in May 2026

May in Malta enters comfortable early summer: daytime highs of 22C (72F), overnight lows around 17.1C (63F), rainfall staying low at 14mm across 3.1 wet days, and sunshine climbing to 12.5 hours per day. Sea temperatures reach 19-21C by month-end, warm enough for standard swimming without wetsuits, and the wildflowers of April give way to hardier drought-tolerant species clinging to garrigue slopes at Dingli and Mellieha.

On the ground, May is when Malta operates on village festas: every parish erupts one summer weekend with band clubs, petards, and rival pyrotechnic teams competing. The first festas start rolling from mid-month with St Publius in Floriana and San Gejtanu in Hamrun, previewing what June through September will deliver at a heavier cadence. Sailing regattas out of Msida marina begin their summer schedule, and rock-climbing on Gozo cliffs at Mgarr ix-Xini enters peak conditions before summer humidity spikes.

The ten-year trend shows May warming steadily with earlier onset of what previously counted as June-level heat, and reduced rainfall variability except for occasional sirocco storm events. The 2026 outlook from Copernicus favours slightly above-average temperatures with drier-than-normal conditions across the Central Mediterranean, favouring outdoor sports, sailing, and any activity dependent on stable settled weather patterns in late May.

For 2026 travelers, May pairs early-summer weather with pre-peak pricing before the July surge. Sea swims are properly enjoyable, festas offer authentic cultural theatre, and hiking remains comfortable before June heat forces early starts. Book climbing guides in advance for Gozo, expect village festa fireworks after 11pm on weekends, and reserve Comino crossings before 8am to escape the mid-morning day-tripper flood in 2026.