Weather in Bermeo on 21 August 2026
Preliminary outlook for 21 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +18°C, average precipitation 0.4 mm, wind around 2 m/s, humidity around 80%.
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: 1.2 mm
Wind: 3 — 3 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 1 h |
| UV index | 4 | Cloud cover (avg.) | 96% |
| Pressure (avg.) | 763 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.) | 4 m/s | Wind direction (avg.) | 291° ← (WNW) |
Sunrise
07:23
Duration
13 h 41 min
Sunset
21:04
Moonrise
04:38
Moonset
20:22
Moon phase
Waning Crescent
Illumination
8%
+20°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +17°C
Sea temperature: +23°C
Precipitation: 0.1 mm
Wind: 2 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 9 h |
| UV index | 4 | Cloud cover (avg.) | 66% |
| Pressure (avg.) | 765 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.) | 111° ↑ (NNE) |
Sunrise
07:23
Duration
13 h 41 min
Sunset
21:04
Moonrise
22:02
Moonset
08:55
Moon phase
Waxing Gibbous
Illumination
85%
+22°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 1 — 3 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 13% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 112° ↑ (N) |
Sunrise
07:22
Duration
13 h 43 min
Sunset
21:05
Moonrise
12:31
Moonset
23:19
Moon phase
Waxing Crescent
Illumination
30%
+21°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 8 h |
| UV index | 5 | Cloud cover (avg.) | 64% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 183° ↑ (N) |
Sunrise
07:22
Duration
13 h 43 min
Sunset
21:05
Moonrise
01:44
Moonset
18:00
Moon phase
Last Quarter
Illumination
32%
+21°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 19% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 290° ↖ (NNW) |
Sunrise
07:22
Duration
13 h 42 min
Sunset
21:04
Moonrise
20:56
Moonset
05:22
Moon phase
Waxing Gibbous
Illumination
91%
+21°C
Weather archive — for 2020 year
Moderate rain at times
Weather archive — for 2020 year
Nighttime: +20°C
Precipitation: 0.8 mm
Wind: 2 — 3 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 3 h |
| UV index | 5 | Cloud cover (avg.) | 85% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 102° ↑ (NNE) |
Sunrise
07:23
Duration
13 h 41 min
Sunset
21:04
Moonrise
09:37
Moonset
22:39
Moon phase
Waxing Crescent
Illumination
13%
Weather in Bermeo on 21 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+20°C
|
+18°C
|
+19°C | 1 h | 4 | 86% | 3 — 3 m/s |
| 2024 |
+23°C
|
+17°C
|
+20°C | 9 h | 4 | 80% | 2 — 3 m/s |
| 2023 |
+26°C
|
+19°C
|
+22°C | 14 h | 6 | 75% | 1 — 3 m/s |
| 2022 |
+24°C
|
+19°C
|
+21°C | 8 h | 5 | 81% | 2 — 2 m/s |
| 2021 |
+24°C
|
+17°C
|
+21°C | 14 h | 6 | 78% | 2 — 3 m/s |
| 2020 |
+24°C
|
+20°C
|
+21°C | 3 h | 5 | 79% | 2 — 3 m/s |