Sun, sea & sand

Cádiz weather in May

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

75

Holiday weather in May

Good

Best time to visit: June – September

What is the weather like in Cádiz in May?

In May, Cádiz is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. With around 10 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 good month for a holiday in Cádiz.

May compared

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

AprilAprMayMayJuneJun
Score467589
Day21°24°28°
Night13°15°19°
Sea17°19°21°
Sun9 h10 h12 h
Rain days751

More details for May

Daylight
14 h 5 min07:19 – 21:24
UV index
10 · 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
36 %on averageAll months
Hot days
2 days30 °C or moreAll months
Time zone
UTC+2Europe/Madrid

How the score comes together

  • Temperatureweight 35 %87 %
  • Seaweight 25 %23 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %96 %

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

Cádiz in May: quick answers

Is Cádiz hot in May?

Warm rather than hot: in May, daytime highs in Cádiz average 24 °C and nights cool to about 15 °C. On about 2 days the thermometer climbs to 30 °C or more.

Can you swim in Cádiz in May?

Only if you don't mind cold water: in May the sea averages just 18.6 °C. Comfortable swimming is possible from June to October.

Does it rain much in Cádiz in May?

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

Cádiz 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