Monthly climate guide
Santander weather in May
Expect mild weather in Santander in May: afternoons reach about 17°C (63°F), while nights drop to around 13°C (55°F). Around 63 mm of rain falls over the month (some rain), and skies are often cloudy. Daytime highs are 2°C warmer than April and 3°C cooler than June.
What stands out in May
- Seasonally, May counts as late spring in Santander.
- Days and nights are close, only about 5°C apart.
- Santander is usually about 2°C cooler than Miranda de Ebro, 110 km away, in May.
Avg high
17°C
63°F
Avg low
13°C
55°F
Rainfall
63 mm
some rain
Humidity
79%
relative
Sky
73%
cloud · often cloudy
Santander weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 12°C / 53°F | 8°C / 47°F | 144 mm | 80% | 83% |
| February | 12°C / 53°F | 8°C / 46°F | 130 mm | 79% | 80% |
| March | 13°C / 56°F | 9°C / 47°F | 104 mm | 78% | 76% |
| April | 15°C / 59°F | 10°C / 51°F | 90 mm | 79% | 74% |
| May | 17°C / 63°F | 13°C / 55°F | 63 mm | 79% | 73% |
| June | 20°C / 68°F | 15°C / 59°F | 61 mm | 79% | 71% |
| July | 23°C / 73°F | 18°C / 64°F | 41 mm | 77% | 66% |
| August | 24°C / 75°F | 18°C / 65°F | 32 mm | 72% | 66% |
| September | 22°C / 72°F | 17°C / 63°F | 50 mm | 72% | 67% |
| October | 20°C / 68°F | 15°C / 58°F | 95 mm | 72% | 72% |
| November | 15°C / 60°F | 11°C / 52°F | 145 mm | 77% | 79% |
| December | 13°C / 56°F | 9°C / 49°F | 129 mm | 78% | 80% |
What to pack for May
- A warm sweater or fleece for layering
- A mid-weight jacket
- A small travel umbrella, just in case
Is May a good time to visit Santander?
Compare the months in the chart above to find your ideal window.
Best time to visit Santander →Other Spain cities in May
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Santander weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/spain/santander/may
<a href="https://weathercompare.eu/weather/spain/santander/may">Santander weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/spain/santander" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Santander weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/spain/santander/may">Santander weather in May</a> – WeatherCompare</p>
Santander in May: quick answers
Is May a good time to visit Santander?
May is a reasonable time for Santander: highs around 17°C and about 63 mm of rain, though not one of the three best months.
How warm is Santander in May?
Average highs are about 17°C (63°F) and average lows about 13°C (55°F), based on 10 years of daily data.
Does it rain a lot in Santander in May?
Santander typically gets around 63 mm of rain in May — some rain.
Figures are long-term averages for the area around Santander (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.