Skip to content
wherewarm

France

Nice & the Riviera weather in May

Is it warm? Mostly. May in Nice & the Riviera is mild: afternoons average 21°C and nights 15°C. Most days (80%) peak between 18°C and 25°C.

Mild · average high

21°C

25°C or more on about one in ten days; 20°C or more on about seven in ten days.

  • Average low15°overnight
  • Sea18°average, 2022–2025
  • Rainy days658 mm in the month
  • SkyOften cloudy55% cloud · 18% clear days

How warm it really gets

Every May afternoon from 2011–2025: 465 days. Most (80%) peaked between 18° and 25°.

Number of May days by daily high, 2011–2025.

May, year by year

The average May high in each year. The warmest, 2022, averaged 23°C; the coolest, 2019, 19°C.

Average May high by year: 2011: 22.2°C, 2012: 20.1°C, 2013: 19°C, 2014: 20.4°C, 2015: 22°C, 2016: 20.9°C, 2017: 21.6°C, 2018: 21.2°C, 2019: 18.8°C, 2020: 22°C, 2021: 20.5°C, 2022: 22.9°C, 2023: 21.3°C, 2024: 20.8°C, 2025: 21.1°C.

Compared with home

Average May highs. Expect rain on about 6 days (58 mm in a typical month).

  • Nice & the Riviera21°
  • London19°
  • Glasgow17°
  • Manchester16°
  • Cork16°
  • Belfast16°
  • Dublin16°

Other months

Nice & the Riviera all year · Where else is hot in May

Warmer in May, not much further

Flying times are estimates from Dublin; Nice & the Riviera is about 2h 15m.

  • Mild in May

    23°C average high

    avg high · 15° at night

    25°C+ on 2 in 10 days

    Barcelona

    Spain

    Sea
    18°
    Rain
    4 days
    Sky
    Often cloudy
    From Dublin
    ≈ 2h 15m
  • Warm in May

    25°C average high

    avg high · 15° at night

    25°C+ on 5 in 10 days

    Alicante & Costa Blanca

    Spain

    Sea
    19°
    Rain
    3 days
    Sky
    Some cloud
    From Dublin
    ≈ 2h 30m
  • Warm in May

    25°C average high

    avg high · 16° at night

    25°C+ on 5 in 10 days

    Valencia

    Spain

    Sea
    19°
    Rain
    4 days
    Sky
    Some cloud
    From Dublin
    ≈ 2h 30m

Air: Copernicus ERA5-Land, 2011–2025, matched to the official averages for Nice airport. Sea: Copernicus ERA5, 2022–2025. Rainy days = days with 1 mm of rain or more, as weather stations count them. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology