Weather in Biarritz on 19 August 2026
Preliminary outlook for 19 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +25°C and nighttime around +18°C, average precipitation 0.5 mm, wind around 3 m/s, humidity around 75%.
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.
+19°C
Weather archive — latest year: 2025
Light rain shower
Weather archive — latest year: 2025
Nighttime: +18°C
Precipitation: 1.5 mm
Wind: 3 — 4 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 7 h |
| UV index | 4 | Cloud cover (avg.) | 85% |
| Pressure (avg.) | 762 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.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 281° ↙ (WSW) |
Sunrise
07:16
Duration
13 h 47 min
Sunset
21:03
Moonrise
02:02
Moonset
18:50
Moon phase
Waning Crescent
Illumination
22%
+19°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +14°C
Sea temperature: +23°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 4 | Cloud cover (avg.) | 31% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +23°C |
| Feels like (avg.) | +20°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 56° ↗ (ENE) |
Sunrise
07:16
Duration
13 h 47 min
Sunset
21:03
Moonrise
21:12
Moonset
06:18
Moon phase
Full Moon
Illumination
100%
+23°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 7% |
| 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.) | +19°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 140° ↑ (NNE) |
Sunrise
07:15
Duration
13 h 49 min
Sunset
21:04
Moonrise
10:22
Moonset
22:39
Moon phase
Waxing Crescent
Illumination
16%
+20°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +18°C
Precipitation: 1.6 mm
Wind: 4 — 4 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 51% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 317° ↖ (NW) |
Sunrise
07:15
Duration
13 h 49 min
Sunset
21:04
Moonrise
00:27
Moonset
15:47
Moon phase
Last Quarter
Illumination
47%
+19°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 14 h |
| UV index | 4 | Cloud cover (avg.) | 52% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 221° ↙ (WSW) |
Sunrise
07:16
Duration
13 h 47 min
Sunset
21:03
Moonrise
19:14
Moonset
02:53
Moon phase
Waxing Gibbous
Illumination
76%
+25°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 12% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 214° ↙ (WSW) |
Sunrise
07:16
Duration
13 h 47 min
Sunset
21:03
Moonrise
07:11
Moonset
21:40
Moon phase
New Moon
Illumination
0%
Weather in Biarritz on 19 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+21°C
|
+18°C
|
+19°C | 7 h | 4 | 86% | 3 — 4 m/s |
| 2024 |
+25°C
|
+14°C
|
+19°C | 14 h | 4 | 67% | 3 — 4 m/s |
| 2023 |
+27°C
|
+21°C
|
+23°C | 14 h | 6 | 77% | 3 — 3 m/s |
| 2022 |
+24°C
|
+18°C
|
+20°C | 12 h | 5 | 78% | 4 — 4 m/s |
| 2021 |
+21°C
|
+17°C
|
+19°C | 14 h | 4 | 76% | 2 — 3 m/s |
| 2020 |
+31°C
|
+20°C
|
+25°C | 14 h | 7 | 64% | 3 — 3 m/s |