Weather in Nice in June

Prime time. June is about as good as Nice gets. Highs average 22.8 °C, lows 20.4 °C, and rain falls on 6 days — nothing in the month is working against you.

June ranks 3 of 12 in Nice. Only July scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain falls on only 6 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average June reaches 30 °C; the day barely swings — 2.3 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest June day reached 28.9 °C and the coldest night fell to 13.9 °C, and the wettest single day dropped 32 mm — roughly 110% of the month's rain in one day.

June is moderately variable: 4 mm in the driest year against 67 mm in the wettest, around an average of 29 mm. Roughly two Junes in three land near that average, and the third does something else entirely.

Wind is light at 9.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 77%, high enough to notice on the warm days without dominating them.

How June sits in the year

The month is on the way up: 3.9 °C warmer than May, and July adds another 2.7 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in June

June is at or near the longest days of Nice's year: 15.4 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.

Sea temperature

The sea sits at about 21 °C in June — comfortable for a proper swim. The sea peaks at 24 °C in August and bottoms out at 13.1 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead. If the dates are flexible, May is the trade worth considering — 12 points weaker on weather, and materially quieter.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

June in Nice versus nearby

If Nice is one option among several, the nearby comparison is worth making. Genoa is close enough to be a coin toss — 4.5 °C warmer, 3 days more rain. Marseille is the weaker option in June — 7.2 °C warmer, 1 day less rain.

So: June is effectively as good as it gets here — 4 points behind July, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Nice

See all twelve months in Nice, or where else to go in June.