Weather in Les Sables-d'Olonne on 15 August 2026
Preliminary outlook for 15 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +18°C, average precipitation 0.2 mm, wind around 4 m/s, humidity around 71%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+27°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 6% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 114° ↘ (SE) |
Sunrise
07:06
Duration
14 h 11 min
Sunset
21:17
Moonrise
23:38
Moonset
14:08
Moon phase
Last Quarter
Illumination
51%
+18°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +20°C |
| Feels like (avg.) | +18°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 152° ← (WNW) |
Sunrise
07:06
Duration
14 h 10 min
Sunset
21:16
Moonrise
18:58
Moonset
01:41
Moon phase
Waxing Gibbous
Illumination
71%
+19°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 25% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 279° ← (W) |
Sunrise
07:05
Duration
14 h 12 min
Sunset
21:17
Moonrise
05:53
Moonset
21:31
Moon phase
New Moon
Illumination
0%
+20°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 11 h |
| UV index | 4 | Cloud cover (avg.) | 71% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 249° ↙ (WSW) |
Sunrise
07:05
Duration
14 h 12 min
Sunset
21:17
Moonrise
23:12
Moonset
10:53
Moon phase
Waning Gibbous
Illumination
76%
+20°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 239° ↖ (NW) |
Sunrise
07:05
Duration
14 h 12 min
Sunset
21:17
Moonrise
14:36
Moonset
00:08
Moon phase
First Quarter
Illumination
47%
+20°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 53% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 167° ↓ (S) |
Sunrise
07:06
Duration
14 h 10 min
Sunset
21:16
Moonrise
02:58
Moonset
19:15
Moon phase
Waning Crescent
Illumination
16%
Weather in Les Sables-d'Olonne on 15 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+27°C | 14 h | 7 | 46% | 4 — 6 m/s |
| 2024 |
|
|
+18°C | 14 h | 5 | 69% | 5 — 6 m/s |
| 2023 |
|
|
+19°C | 14 h | 5 | 81% | 3 — 5 m/s |
| 2022 |
|
|
+20°C | 11 h | 4 | 82% | 5 — 6 m/s |
| 2021 |
|
|
+20°C | 11 h | 6 | 66% | 6 — 8 m/s |
| 2020 |
|
|
+20°C | 12 h | 5 | 81% | 3 — 4 m/s |