Valletta weather in May
May in Valletta: nice, dry, with very humid — one of the best months to visit.
#2 of 12 months in Valletta · #121 of 604 destinations to visit in May · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Valletta climate normals — May
| Daytime high | 20°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 9 mm / 0.3 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 15°C / 60°F | |
| Sunshine | 12.1 h/day | |
| Daylight | 14.1 h | |
| Wind | 28 km/h / 17 mph | |
| Air quality (US AQI) | 58 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Valletta?
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Valletta in May — FAQ
- Is May a good time to visit Valletta?
- May in Valletta: nice, dry, with very humid — one of the best months to visit. It ranks #2 of 12 months for Valletta on SeasonMap's comfort score (89/100).
- What is the weather like in Valletta in May?
- In May, Valletta averages a daily high of 20.4°C and a low of 17.2°C, with about 8.7 mm of rain over roughly 3.8 rainy days.
- What is the air quality in Valletta in May?
- Valletta has a mean US Air Quality Index of about 58 in May.