Cannes is at its most pleasant from September to mid November, and again from mid April to mid June. For sun, aim for mid June to mid September; for walking, go from late September to May.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here runs from mid June to mid September. It peaks in late July, at 84. The weakest stretch is from November to mid May, when it drops to 0, mostly because it is too cool. The clearest skies come in July, when the sky is typically 43% covered at midday (partly cloudy).
For being outside, go from September to mid November, with a second spell from mid April to mid June. It peaks in late May, at 94. Avoid mid and late January for this: it falls to 5, mostly because it is too cold.
The walking season here runs from late September to May. It peaks in mid November, at 94. The weakest stretch is from July to August, when it drops to 3, mostly because it is too warm.
The year, measured
The average temperature in Cannes over the whole year is 16°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 6°C. Cannes has no sharply defined rainy season: the chance of rain on a given day runs from 2% in July, the driest month, to 10% in November, the wettest. Winds in Cannes are highest in March, averaging 3.5 m/s (13 km/h), and lightest in August, at 2.7 m/s (10 km/h). The prevailing wind is from the SE. The clearest skies in Cannes come in July, when the sky is typically 50% covered; February is the cloudiest month, at 71%.
Month by month Cannes climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 13°C | 6°C | 10°C | 5% | 68% | 3.3 m/s | 9 | 0 | 77 |
| February | 14°C | 6°C | 11°C | 9% | 71% | 3.1 m/s | 15 | 0 | 83 |
| March | 15°C | 7°C | 12°C | 7% | 68% | 3.5 m/s | 25 | 0 | 86 |
| April | 18°C | 10°C | 15°C | 7% | 70% | 3.2 m/s | 62 | 0 | 91 |
| May | 21°C | 14°C | 19°C | 8% | 69% | 3.0 m/s | 88 | 7 | 82 |
| June | 26°C | 20°C | 25°C | 4% | 62% | 2.8 m/s | 72 | 55 | 31 |
| July | 28°C | 21°C | 29°C | 2% | 50% | 2.8 m/s | 35 | 82 | 6 |
| August | 29°C | 21°C | 29°C | 2% | 55% | 2.7 m/s | 28 | 80 | 5 |
| September | 25°C | 17°C | 24°C | 4% | 64% | 2.9 m/s | 74 | 51 | 36 |
| October | 21°C | 14°C | 20°C | 9% | 69% | 3.0 m/s | 90 | 11 | 74 |
| November | 16°C | 9°C | 14°C | 10% | 70% | 3.2 m/s | 53 | 0 | 90 |
| December | 13°C | 6°C | 11°C | 8% | 68% | 3.1 m/s | 22 | 0 | 83 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Cannes weather by season
Year round, Cannes has days of about 13°C at their warmest in January, its coolest month, and 29°C in August, its warmest; the coolest hours of the day run from 6°C to 21°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around November and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Cannes weather in winterDecember to February
Winter in Cannes has typical daily highs of about 13°C and lows of about 6°C, with a 8% chance of rain on a given day.
Cannes weather in springMarch to May
Spring in Cannes has typical daily highs of about 18°C and lows of about 11°C, with a 8% chance of rain on a given day.
Cannes weather in summerJune to August
Summer in Cannes has typical daily highs of about 28°C and lows of about 21°C, with a 3% chance of rain on a given day.
Cannes weather in autumnSeptember to November
Autumn in Cannes has typical daily highs of about 21°C and lows of about 13°C, with a 7% chance of rain on a given day.
When is the rainy season in Cannes?
Cannes has no sharply defined rainy season: the chance of rain on a given day runs from 2% in July, the driest month, to 10% in November, the wettest.
What time of year is Cannes windiest?
Winds in Cannes are highest in March, averaging 3.5 m/s (13 km/h), and lightest in August, at 2.7 m/s (10 km/h). The prevailing wind is from the SE.
What is the average temperature in Cannes year round?
The average temperature in Cannes over the whole year is 16°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 6°C.
Where to go instead in mid January, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.