Weather in Biarritz on 9 August 2026
Preliminary outlook for 9 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +27°C and nighttime around +18°C, average precipitation 0 mm, wind around 3 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.
+21°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +19°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 273° ← (WNW) |
Sunrise
07:04
Duration
14 h 14 min
Sunset
21:18
Moonrise
21:42
Moonset
06:58
Moon phase
Full Moon
Illumination
100%
+21°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +18°C
Sea temperature: +23°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 14% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +23°C |
| Feels like (avg.) | +22°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 281° ↖ (NNW) |
Sunrise
07:05
Duration
14 h 13 min
Sunset
21:18
Moonrise
12:21
Moonset
23:32
Moon phase
Waxing Crescent
Illumination
28%
+25°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +15°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 58%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 112° → (E) |
Sunrise
07:04
Duration
14 h 15 min
Sunset
21:19
Moonrise
00:47
Moonset
16:09
Moon phase
Last Quarter
Illumination
42%
+23°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 66%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 11% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 271° ↖ (NW) |
Sunrise
07:04
Duration
14 h 14 min
Sunset
21:18
Moonrise
19:36
Moonset
03:02
Moon phase
Waxing Gibbous
Illumination
81%
+19°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 200° ↙ (WSW) |
Sunrise
07:04
Duration
14 h 14 min
Sunset
21:18
Moonrise
07:46
Moonset
22:19
Moon phase
Waxing Crescent
Illumination
3%
+24°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 2 — 5 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 29% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 282° ↖ (NNW) |
Sunrise
07:05
Duration
14 h 13 min
Sunset
21:18
Moonrise
00:05
Moonset
13:05
Moon phase
Waning Gibbous
Illumination
59%
Weather in Biarritz on 9 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+24°C
|
+19°C
|
+21°C | 14 h | 6 | 76% | 3 — 4 m/s |
| 2024 |
+23°C
|
+18°C
|
+21°C | 14 h | 6 | 75% | 2 — 4 m/s |
| 2023 |
+35°C
|
+15°C
|
+25°C | 14 h | 6 | 58% | 3 — 5 m/s |
| 2022 |
+28°C
|
+19°C
|
+23°C | 14 h | 6 | 66% | 3 — 4 m/s |
| 2021 |
+23°C
|
+14°C
|
+19°C | 14 h | 5 | 76% | 2 — 3 m/s |
| 2020 |
+27°C
|
+21°C
|
+24°C | 14 h | 5 | 77% | 2 — 5 m/s |