Cannes weather in May
In May, Cannes sees average daytime highs of 19°C and overnight lows near 15°C, with 47 mm of rain across 6.3 wet days and about 14.5 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 54 min at the start of May to 15 hours by month's end. Set against the rest of the year, May is Cannes's 10th-clearest and 8th-windiest month. For the whole year in context, see Cannes's year-round climate.
- Daytime high
- 19°
- 5th warmest
- Overnight low
- 15°
- 7th coldest
- Rainfall
- 47 mm
- 6.3 wet days
- Daylight
- 14 h 30 min
- 5:13 AM – 7:43 PM
- Cloud cover
- 51%
- 10th clearest
- Wind
- 10 km/h
- 8th windiest
- Solar energy
- 6.28 kWh/m²
- Travel score
- 6.8
- out of 10
Cannes is French commune and city in Alpes-Maritimes, Provence-Alpes-Côte d'Azur.
- Air quality
- Elevated
- PM2.5 15.9 µg/m³ · 2015
- Density
- 3,799/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 18°C in the first days to 21°C by the end.
A typical May day in Cannes reaches about 19°C in the afternoon and slips back to 15°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 22°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 13 |
| 2 | 17 | 13 |
| 3 | 18 | 13 |
| 4 | 18 | 13 |
| 5 | 18 | 13 |
| 6 | 18 | 14 |
| 7 | 18 | 14 |
| 8 | 18 | 14 |
| 9 | 18 | 14 |
| 10 | 19 | 14 |
| 11 | 19 | 14 |
| 12 | 19 | 14 |
| 13 | 19 | 14 |
| 14 | 19 | 15 |
| 15 | 19 | 15 |
| 16 | 19 | 15 |
| 17 | 19 | 15 |
| 18 | 20 | 15 |
| 19 | 20 | 15 |
| 20 | 20 | 15 |
| 21 | 20 | 16 |
| 22 | 20 | 16 |
| 23 | 20 | 16 |
| 24 | 20 | 16 |
| 25 | 20 | 16 |
| 26 | 20 | 16 |
| 27 | 21 | 16 |
| 28 | 21 | 16 |
| 29 | 21 | 17 |
| 30 | 21 | 17 |
| 31 | 21 | 17 |
Cannes weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 12° / 8° | 64 | 6.5 | 0.2 | 9.1 | 3.3 |
| Feb | 12° / 7° | 53 | 6.7 | 0.5 | 10.2 | 3.4 |
| Mar | 14° / 9° | 54 | 6.4 | 0.1 | 11.6 | 4.4 |
| Apr | 16° / 11° | 67 | 7.8 | 0 | 13.2 | 5.2 |
| May | 19° / 15° | 47 | 6.3 | 0 | 14.5 | 6.8 |
| Jun | 23° / 19° | 32 | 4.5 | 0 | 15.2 | 8.0 |
| Jul | 26° / 21° | 13 | 2.6 | 0 | 14.9 | 8.5 |
| Aug | 26° / 22° | 19 | 3.7 | 0 | 13.8 | 8.2 |
| Sep | 23° / 19° | 70 | 6.1 | 0 | 12.3 | 7.7 |
| Oct | 19° / 15° | 108 | 8.9 | 0 | 10.8 | 6.4 |
| Nov | 15° / 12° | 129 | 9.4 | 0 | 9.5 | 4.8 |
| Dec | 12° / 9° | 79 | 7.7 | 0.2 | 8.8 | 3.7 |
Cloud cover in May
The sky is clear or mostly clear about 39% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 56 | 56 | 56 | 57 | 57 | 57 | 59 | 59 | 60 | 61 | 61 | 62 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 64 | 63 |
| Cloudier (%) | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 44 | 44 | 44 | 43 | 43 | 43 | 41 | 41 | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 36 | 37 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 54 | 46 |
| 2 | 54 | 46 |
| 3 | 54 | 46 |
| 4 | 54 | 46 |
| 5 | 54 | 46 |
| 6 | 54 | 46 |
| 7 | 54 | 46 |
| 8 | 54 | 46 |
| 9 | 56 | 44 |
| 10 | 56 | 44 |
| 11 | 56 | 44 |
| 12 | 57 | 43 |
| 13 | 57 | 43 |
| 14 | 57 | 43 |
| 15 | 59 | 41 |
| 16 | 59 | 41 |
| 17 | 60 | 40 |
| 18 | 61 | 39 |
| 19 | 61 | 39 |
| 20 | 62 | 38 |
| 21 | 63 | 37 |
| 22 | 63 | 37 |
| 23 | 64 | 36 |
| 24 | 64 | 36 |
| 25 | 64 | 36 |
| 26 | 64 | 36 |
| 27 | 64 | 36 |
| 28 | 64 | 36 |
| 29 | 63 | 37 |
| 30 | 64 | 36 |
| 31 | 63 | 37 |
Chance of precipitation in May
Cannes gets around 47 mm of rain over 6.3 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 21% and peaks near 27% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 27 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 |
| Rain chance (%) | |
|---|---|
| 1 | 27 |
| 2 | 26 |
| 3 | 26 |
| 4 | 26 |
| 5 | 25 |
| 6 | 25 |
| 7 | 24 |
| 8 | 24 |
| 9 | 24 |
| 10 | 23 |
| 11 | 23 |
| 12 | 23 |
| 13 | 22 |
| 14 | 22 |
| 15 | 22 |
| 16 | 21 |
| 17 | 20 |
| 18 | 20 |
| 19 | 19 |
| 20 | 19 |
| 21 | 18 |
| 22 | 18 |
| 23 | 17 |
| 24 | 17 |
| 25 | 17 |
| 26 | 16 |
| 27 | 16 |
| 28 | 16 |
| 29 | 16 |
| 30 | 16 |
| 31 | 16 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 46% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 79 | 77 | 74 | 71 | 69 | 66 | 64 | 60 | 58 | 56 | 55 | 52 | 50 | 48 | 46 | 45 | 43 | 41 | 40 | 38 | 36 | 35 | 33 | 32 | 30 | 28 | 26 | 24 | 22 | 21 | 20 |
| Comfortable (%) | 21 | 23 | 25 | 28 | 30 | 33 | 35 | 38 | 40 | 42 | 43 | 45 | 46 | 47 | 48 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 47 | 46 | 45 | 44 | 43 | 43 | 42 | 41 | 39 |
| Humid (%) | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 5 | 6 | 8 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 24 | 26 | 29 | 31 | 33 | 35 | 37 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 79 | 21 | 0 | 0 |
| 2 | 77 | 23 | 0 | 0 |
| 3 | 74 | 25 | 1 | 0 |
| 4 | 71 | 28 | 1 | 0 |
| 5 | 69 | 30 | 1 | 0 |
| 6 | 66 | 33 | 1 | 0 |
| 7 | 64 | 35 | 1 | 0 |
| 8 | 60 | 38 | 2 | 0 |
| 9 | 58 | 40 | 2 | 0 |
| 10 | 56 | 42 | 2 | 0 |
| 11 | 55 | 43 | 2 | 0 |
| 12 | 52 | 45 | 3 | 0 |
| 13 | 50 | 46 | 4 | 0 |
| 14 | 48 | 47 | 4 | 0 |
| 15 | 46 | 48 | 5 | 0 |
| 16 | 45 | 49 | 6 | 0 |
| 17 | 43 | 49 | 8 | 0 |
| 18 | 41 | 49 | 9 | 0 |
| 19 | 40 | 49 | 11 | 0 |
| 20 | 38 | 49 | 13 | 0 |
| 21 | 36 | 48 | 15 | 1 |
| 22 | 35 | 48 | 17 | 1 |
| 23 | 33 | 47 | 19 | 1 |
| 24 | 32 | 46 | 21 | 1 |
| 25 | 30 | 45 | 24 | 1 |
| 26 | 28 | 44 | 26 | 2 |
| 27 | 26 | 43 | 29 | 2 |
| 28 | 24 | 43 | 31 | 2 |
| 29 | 22 | 42 | 33 | 3 |
| 30 | 21 | 41 | 35 | 3 |
| 31 | 20 | 39 | 37 | 4 |
Wind in May
Winds average 10 km/h in May.
Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 54 min at the start of May to 15 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 66 minutes over May. Sunrise moves from 5:32 AM to 5:00 AM, and sunset from 7:26 PM to 7:58 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.9 | 13.9 | 14.0 | 14.0 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 | 14.7 | 14.8 | 14.8 | 14.8 | 14.9 | 14.9 | 14.9 | 14.9 | 15.0 |
| Sunrise (AM) | 5:32 | 5:31 | 5:29 | 5:28 | 5:27 | 5:25 | 5:24 | 5:23 | 5:21 | 5:20 | 5:19 | 5:18 | 5:16 | 5:15 | 5:14 | 5:13 | 5:12 | 5:11 | 5:10 | 5:09 | 5:08 | 5:07 | 5:06 | 5:05 | 5:05 | 5:04 | 5:03 | 5:02 | 5:02 | 5:01 | 5:00 |
| Sunset (PM) | 7:26 | 7:27 | 7:28 | 7:30 | 7:31 | 7:32 | 7:33 | 7:34 | 7:35 | 7:37 | 7:38 | 7:39 | 7:40 | 7:41 | 7:42 | 7:43 | 7:44 | 7:46 | 7:47 | 7:48 | 7:49 | 7:50 | 7:51 | 7:52 | 7:53 | 7:54 | 7:55 | 7:56 | 7:57 | 7:57 | 7:58 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.9 | 5:32 | 7:26 |
| 2 | 13.9 | 5:31 | 7:27 |
| 3 | 14.0 | 5:29 | 7:28 |
| 4 | 14.0 | 5:28 | 7:30 |
| 5 | 14.1 | 5:27 | 7:31 |
| 6 | 14.1 | 5:25 | 7:32 |
| 7 | 14.2 | 5:24 | 7:33 |
| 8 | 14.2 | 5:23 | 7:34 |
| 9 | 14.2 | 5:21 | 7:35 |
| 10 | 14.3 | 5:20 | 7:37 |
| 11 | 14.3 | 5:19 | 7:38 |
| 12 | 14.4 | 5:18 | 7:39 |
| 13 | 14.4 | 5:16 | 7:40 |
| 14 | 14.4 | 5:15 | 7:41 |
| 15 | 14.5 | 5:14 | 7:42 |
| 16 | 14.5 | 5:13 | 7:43 |
| 17 | 14.5 | 5:12 | 7:44 |
| 18 | 14.6 | 5:11 | 7:46 |
| 19 | 14.6 | 5:10 | 7:47 |
| 20 | 14.6 | 5:09 | 7:48 |
| 21 | 14.7 | 5:08 | 7:49 |
| 22 | 14.7 | 5:07 | 7:50 |
| 23 | 14.7 | 5:06 | 7:51 |
| 24 | 14.8 | 5:05 | 7:52 |
| 25 | 14.8 | 5:05 | 7:53 |
| 26 | 14.8 | 5:04 | 7:54 |
| 27 | 14.9 | 5:03 | 7:55 |
| 28 | 14.9 | 5:02 | 7:56 |
| 29 | 14.9 | 5:02 | 7:57 |
| 30 | 14.9 | 5:01 | 7:57 |
| 31 | 15.0 | 5:00 | 7:58 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.28 kWh/m².
For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 6.96 kWh/m² in July across the year — May's 6.28 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.8 | Bright |
| 2 | 5.8 | Bright |
| 3 | 5.9 | Bright |
| 4 | 5.9 | Bright |
| 5 | 5.9 | Bright |
| 6 | 6.0 | Bright |
| 7 | 6.0 | Intense |
| 8 | 6.0 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.1 | Intense |
| 12 | 6.2 | Intense |
| 13 | 6.2 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.5 | Intense |
| 24 | 6.5 | Intense |
| 25 | 6.5 | Intense |
| 26 | 6.5 | Intense |
| 27 | 6.5 | Intense |
| 28 | 6.6 | Intense |
| 29 | 6.6 | Intense |
| 30 | 6.6 | Intense |
| 31 | 6.6 | Intense |
Hazard calendar for Cannes
None of Cannes's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Cannes's rainy season runs September–January, when most of the year's rain falls.
Is May a good time to visit Cannes?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Cannes for sightseeing.
What to pack for Cannes in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Cannes sees daytime highs around 19°C and nights near 15°C. Pack sun protection. About 6 days see rain.
Sea temperature near Cannes in May
The nearest coast averages about 18°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 25°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 7 to Oct 16 — about 4.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 14 | 15 | 18 | 21 | 24 | 25 | 23 | 20 | 18 | 16 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Bracing |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 20 | Refreshing |
| Nov | 18 | Cool |
| Dec | 16 | Cool |
UV index in Cannes in May
Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cannes peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 4 | 7 | 6 | 8 | 9 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | Very high |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Cannes in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Cannes is worst in March — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Seasonal pattern from CAMS reanalysis, scaled to Cannes's WHO annual average of 15.9 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 17 | 18 | 18 | 18 | 16 | 16 | 15 | 16 | 14 | 15 | 13 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 18 | Moderate |
| Mar | 18 | Moderate |
| Apr | 18 | Moderate |
| May | 16 | Moderate |
| Jun | 16 | Moderate |
| Jul | 15 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 15 | Moderate |
| Nov | 13 | Moderate |
| Dec | 15 | Moderate |
Where is Cannes?
Cannes sits at 43.6°N, 7.0°E, 0 m above sea level, in France. The nearest listed city is Le Cannet, 3.0 km away.
Topography around Cannes
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cannes.
Within 3 km, the terrain around Cannes has significant variations in elevation — a maximum elevation change of 270 m around an average of 47 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 910 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,196 m.
The land around Cannes is covered by water (40%), artificial surfaces (33%) and trees (26%) within 3 km, water (44%) and trees (39%) within 16 km, and trees (50%) and water (32%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Cannes (43.5513°, 7.0127°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).