Weather in Santander on 15 August 2026
Preliminary outlook for 15 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +23°C and nighttime around +18°C, average precipitation 0.2 mm, wind around 3 m/s, humidity around 77%.
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.
+24°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 761 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.) | 9 m/s | Wind direction (avg.) | 132° ↗ (ENE) |
Sunrise
07:20
Duration
13 h 58 min
Sunset
21:18
Moonrise
23:56
Moonset
14:08
Moon phase
Last Quarter
Illumination
51%
+19°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +17°C
Sea temperature: +25°C
Precipitation: 0.1 mm
Wind: 3 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 49% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +25°C |
| Feels like (avg.) | +19°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 146° ↑ (NNE) |
Sunrise
07:20
Duration
13 h 58 min
Sunset
21:18
Moonrise
18:50
Moonset
02:06
Moon phase
Waxing Gibbous
Illumination
71%
+20°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +18°C
Precipitation: 0.1 mm
Wind: 2 — 3 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 55% |
| 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.) | 7 m/s | Wind direction (avg.) | 119° ↑ (N) |
Sunrise
07:20
Duration
13 h 59 min
Sunset
21:19
Moonrise
06:13
Moonset
21:29
Moon phase
New Moon
Illumination
0%
+20°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 39% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 270° ← (WNW) |
Sunrise
07:20
Duration
13 h 59 min
Sunset
21:19
Moonrise
23:21
Moonset
11:02
Moon phase
Waning Gibbous
Illumination
76%
+19°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +18°C
Precipitation: 0.2 mm
Wind: 3 — 4 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 9 h |
| UV index | 5 | Cloud cover (avg.) | 41% |
| Pressure (avg.) | 766 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.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 269° ← (WNW) |
Sunrise
07:20
Duration
13 h 58 min
Sunset
21:18
Moonrise
14:37
Moonset
00:21
Moon phase
First Quarter
Illumination
47%
+20°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +18°C
Precipitation: 0.5 mm
Wind: 3 — 5 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 9 h |
| UV index | 4 | Cloud cover (avg.) | 77% |
| Pressure (avg.) | 760 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.) | 11 m/s | Wind direction (avg.) | 229° ← (WNW) |
Sunrise
07:20
Duration
13 h 58 min
Sunset
21:18
Moonrise
03:19
Moonset
19:10
Moon phase
Waning Crescent
Illumination
16%
Weather in Santander on 15 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+31°C
|
+20°C
|
+24°C | 14 h | 6 | 75% | 4 — 5 m/s |
| 2024 |
+22°C
|
+17°C
|
+19°C | 13 h | 5 | 69% | 3 — 4 m/s |
| 2023 |
+22°C
|
+18°C
|
+20°C | 11 h | 6 | 83% | 2 — 3 m/s |
| 2022 |
+22°C
|
+18°C
|
+20°C | 14 h | 6 | 73% | 4 — 5 m/s |
| 2021 |
+21°C
|
+18°C
|
+19°C | 9 h | 5 | 80% | 3 — 4 m/s |
| 2020 |
+22°C
|
+18°C
|
+20°C | 9 h | 4 | 83% | 3 — 5 m/s |