Weather in Santander on 31 August 2026
Preliminary outlook for 31 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +22°C and nighttime around +17°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.
+18°C
Weather archive — latest year: 2025
Light rain shower
Weather archive — latest year: 2025
Nighttime: +17°C
Precipitation: 1.2 mm
Wind: 3 — 6 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 2 h |
| UV index | 5 | Cloud cover (avg.) | 79% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 231° ↖ (NW) |
Sunrise
07:38
Duration
13 h 14 min
Sunset
20:52
Moonrise
16:39
Moonset
00:07
Moon phase
First Quarter
Illumination
47%
+21°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +20°C
Sea temperature: +24°C
Precipitation: 0.2 mm
Wind: 2 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 72% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +24°C |
| Feels like (avg.) | +22°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 90° ↑ (NNE) |
Sunrise
07:38
Duration
13 h 14 min
Sunset
20:52
Moonrise
04:30
Moonset
20:05
Moon phase
Waning Crescent
Illumination
16%
+19°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +15°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 13% |
| 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.) | +14°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 200° ↑ (N) |
Sunrise
07:37
Duration
13 h 16 min
Sunset
20:53
Moonrise
21:21
Moonset
07:24
Moon phase
Full Moon
Illumination
100%
+20°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +19°C
Precipitation: 0.4 mm
Wind: 3 — 3 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 66% |
| Pressure (avg.) | 764 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.) | 281° ↖ (NW) |
Sunrise
07:38
Duration
13 h 14 min
Sunset
20:52
Moonrise
11:47
Moonset
22:51
Moon phase
Waxing Crescent
Illumination
22%
+19°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +16°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 31% |
| 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.) | +14°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 102° ↗ (ENE) |
Sunrise
07:38
Duration
13 h 14 min
Sunset
20:52
Moonrise
01:13
Moonset
17:10
Moon phase
Last Quarter
Illumination
40%
+17°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +12°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 38% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 129° ↗ (ENE) |
Sunrise
07:38
Duration
13 h 14 min
Sunset
20:52
Moonrise
20:29
Moonset
05:20
Moon phase
Waxing Gibbous
Illumination
82%
Weather in Santander on 31 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+19°C
|
+17°C
|
+18°C | 2 h | 5 | 84% | 3 — 6 m/s |
| 2024 |
+23°C
|
+20°C
|
+21°C | 11 h | 5 | 89% | 2 — 3 m/s |
| 2023 |
+21°C
|
+15°C
|
+19°C | 13 h | 5 | 70% | 2 — 3 m/s |
| 2022 |
+22°C
|
+19°C
|
+20°C | 11 h | 5 | 82% | 3 — 3 m/s |
| 2021 |
+23°C
|
+16°C
|
+19°C | 13 h | 5 | 72% | 4 — 6 m/s |
| 2020 |
+21°C
|
+12°C
|
+17°C | 12 h | 5 | 70% | 3 — 5 m/s |