Sun, sea & sand

Cala Millor weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

56

Holiday weather in May

Fair

Best time to visit: June – September

What is the weather like in Cala Millor in May?

In May, Cala Millor is warm: daytime highs average 21 °C, and nights cool down to about 16 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. With around 9 hours of sunshine a day, there is plenty of sun. Rain is rare: about 5 days bring 28 mm in total. All in all, May is a so-so month for a holiday in Cala Millor.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score345693
Day18°21°26°
Night13°16°20°
Sea16°18°22°
Sun8 h9 h11 h
Rain days652

More details for May

Daylight
14 h 19 min06:33 – 20:52
UV index
9 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
19 km/haverage daily peakAll months
Cloud cover
43 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+2Europe/Madrid

How the score comes together

  • Temperatureweight 35 %37 %
  • Seaweight 25 %19 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %94 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings

Cala Millor in May: quick answers

Is Cala Millor hot in May?

Warm rather than hot: in May, daytime highs in Cala Millor average 21 °C and nights cool to about 16 °C.

Can you swim in Cala Millor in May?

Only if you don't mind cold water: in May the sea averages just 18.3 °C. Comfortable swimming is possible from June to October.

Does it rain much in Cala Millor in May?

Rain is rare: about 5 days bring 28 mm in total.

Cala Millor month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences