Weather in Biarritz on 13 August 2026
Preliminary outlook for 13 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +20°C, average precipitation 0.3 mm, wind around 3 m/s, humidity around 78%.
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.
+23°C
Weather archive — latest year: 2025
Partly Cloudy
Weather archive — latest year: 2025
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 26% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 164° ← (W) |
Sunrise
07:09
Duration
14 h 03 min
Sunset
21:12
Moonrise
22:59
Moonset
11:32
Moon phase
Waning Gibbous
Illumination
66%
+21°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 73% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | +22°C |
| Feels like (avg.) | +22°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 242° ← (WNW) |
Sunrise
07:09
Duration
14 h 03 min
Sunset
21:12
Moonrise
16:40
Moonset
00:40
Moon phase
First Quarter
Illumination
57%
+20°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 46% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°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.) | 263° ↖ (NNW) |
Sunrise
07:08
Duration
14 h 05 min
Sunset
21:13
Moonrise
03:50
Moonset
20:15
Moon phase
Waning Crescent
Illumination
13%
+23°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 64% |
| Pressure (avg.) | 760 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.) | 8 m/s | Wind direction (avg.) | 243° ↖ (NNW) |
Sunrise
07:09
Duration
14 h 04 min
Sunset
21:13
Moonrise
22:24
Moonset
08:12
Moon phase
Full Moon
Illumination
100%
+21°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 20% |
| Pressure (avg.) | 767 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.) | +20°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 291° ↖ (NNW) |
Sunrise
07:09
Duration
14 h 03 min
Sunset
21:12
Moonrise
12:08
Moonset
23:48
Moon phase
Waxing Crescent
Illumination
32%
+20°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 5 h |
| UV index | 5 | Cloud cover (avg.) | 75% |
| 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.) | +22°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 284° ← (WNW) |
Sunrise
07:09
Duration
14 h 03 min
Sunset
21:12
Moonrise
01:50
Moonset
17:10
Moon phase
Last Quarter
Illumination
30%
Weather in Biarritz on 13 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+23°C | 13 h | 6 | 73% | 3 — 4 m/s |
| 2024 |
|
|
+21°C | 6 h | 6 | 86% | 2 — 2 m/s |
| 2023 |
|
|
+20°C | 10 h | 5 | 73% | 3 — 4 m/s |
| 2022 |
|
|
+23°C | 11 h | 5 | 75% | 3 — 4 m/s |
| 2021 |
|
|
+21°C | 14 h | 6 | 80% | 3 — 3 m/s |
| 2020 |
|
|
+20°C | 5 h | 5 | 80% | 5 — 5 m/s |