Royan in Summer
In summer (June, July and August), Royan sees average daytime highs around 25°C and overnight lows near 16°C, with 127 mm of rain over about 22 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 22°C in early June to 25°C by late August. The sky is clear or mostly clear about 35% of the time across summer, and the air most often feels comfortable.
Summer is Royan's best season of the year to visit on our travel score. For the whole year in context, see Royan's year-round climate.
- Avg daytime high
- 25°C
- warmest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 127 mm
- 22 wet days
- Avg wind
- 12 km/h
- Travel score
- 7.2
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Royan in Summer
Over the season highs climb from about 22°C in early June to 25°C by late August.
A typical summer day in Royan reaches about 25°C and drops to 16°C overnight. The warmest of the three months is August, the coolest June.
Royan weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 10° / 4° | 71 | 11.2 | 8.9 | 2.1 |
| Feb | 11° / 4° | 52 | 9.4 | 10.1 | 2.7 |
| Mar | 14° / 6° | 53 | 10.5 | 11.6 | 4.1 |
| Apr | 17° / 8° | 60 | 10.9 | 13.3 | 5.2 |
| May | 20° / 11° | 63 | 11.3 | 14.7 | 6.1 |
| Jun | 24° / 14° | 48 | 8.5 | 15.4 | 7.0 |
| Jul | 26° / 16° | 38 | 7 | 15.1 | 7.3 |
| Aug | 26° / 16° | 41 | 6.9 | 13.9 | 7.3 |
| Sep | 23° / 13° | 52 | 7.9 | 12.3 | 7.2 |
| Oct | 19° / 11° | 74 | 11.4 | 10.7 | 5.7 |
| Nov | 14° / 7° | 81 | 12.5 | 9.3 | 3.6 |
| Dec | 11° / 5° | 79 | 12.3 | 8.6 | 2.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 35% of the time across summer.
Chance of precipitation in Summer
Royan gets around 127 mm of rain over 22 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 12 min in early June to 13 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.0 kWh/m².
Is summer a good time to visit Royan?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Royan for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Royan in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Royan sees daytime highs around 25°C and nights near 16°C. Pack sun protection. Worth having: light clothes and rain gear. About 22 days see rain.
Sea temperature near Royan in Summer
The nearest coast averages about 20°C across summer — 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 21°C and coldest in February near 10°C.
It's comfortable for a long swim from Jul 19 to Aug 31 — about 1.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 11 | 10 | 11 | 13 | 15 | 18 | 20 | 21 | 19 | 17 | 15 | 12 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Cool | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 11 | Bracing |
| Feb | 10 | Bracing |
| Mar | 11 | Bracing |
| Apr | 13 | Bracing |
| May | 15 | Cool |
| Jun | 18 | Cool |
| Jul | 20 | Refreshing |
| Aug | 21 | Refreshing |
| Sep | 19 | Cool |
| Oct | 17 | Cool |
| Nov | 15 | Bracing |
| Dec | 12 | Bracing |
UV index in Royan in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Royan peaks around July 20 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 | 2 | 4 | 6 | 6 | 7 | 8 | 8 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | High | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Royan?
Royan sits at 45.6°N, 1.0°W, 7 m above sea level, in France. The nearest listed city is Saintes, 34 km away.
Topography around Royan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Royan.
Within 3 km, the terrain around Royan has only modest variations in elevation — a maximum elevation change of 37 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 68 m; within 80 km, only modest variations in elevation — a maximum elevation change of 203 m.
The land around Royan is covered by artificial surfaces (35%) and water (30%) within 3 km, water (39%) and cropland (21%) within 16 km, and water (31%), cropland (29%) and trees (21%) 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 Royan (45.6281°, -1.0315°, elevation 7 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.