Sun, sea & sand

Nice weather in May

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

40

Holiday weather in May

Fair

Best time to visit: June – August

Air temperature21°CNight 13°
Sea temperature17.7°Cfresh
Sunshine9hrs / dayof 14.7 h daylight
Rainy days11days / month65 mm

What is the weather like in Nice in May?

In May, Nice is mild: daytime highs average 21 °C, and nights cool down to about 13 °C. The sea averages 17.7 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain is frequent, with about 11 rainy days and 65 mm in total. All in all, May is a so-so month for a holiday in Nice.

May compared

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

AprilAprMayMayJuneJun
Score274083
Day17°21°25°
Night9°13°17°
Sea15°18°22°
Sun8 h9 h10 h
Rain days11119

More details for May

Daylight
14 h 41 min06:06 – 20:48
UV index
8 · very highclear sky, noon (estimate)
Muggy days
0 daysdew point 18 °C or more
Wind
11 km/haverage daily peak
Cloud cover
54 %on average
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %25 %
  • Seaweight 25 %10 %
  • Sunshineweight 20 %97 %
  • Few rainy daysweight 20 %49 %

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
  • Rain jacket or umbrella

Nice in May: quick answers

Is Nice hot in May?

No. In May, Nice is mild: daytime highs average 21 °C and nights drop to about 13 °C.

Can you swim in Nice in May?

Only if you don't mind cold water: in May the sea averages just 17.7 °C. Comfortable swimming is possible from June to October.

Does it rain much in Nice in May?

Rain is frequent, with about 11 rainy days and 65 mm in total.

Nice 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, GeoNames (CC BY 4.0)