April 21 is generally a great time to visit Santander. While there is a slight chance of rain (36%), showers are usually brief. Expect comfortable 17°C weather. It's a quieter period for Santander, ideal for those who prefer unhurried sightseeing. Note: April 21 is Easter Monday in Santander, so expect special events, closures, and festive atmosphere.
View the full calendar
Essential Travel Info for Santander
Currency
EUR
€ Euro
Language
Spanish
+3 more
Driving
Right side
Safety
High Safety
GPI: 1.603
Santander Weather Forecast for April 21
"Mild & Comfortable. Expect average highs of 17.2°C. 36% chance of rain."
What to Wear in Santander in April
Based on historical data for April 21, Santander typically experiences temperatures between 9.5°C and 17.2°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 36% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Santander
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
17.2°C
Daytime Peak
Average Low
9.5°C
Nighttime Low
Feels Like
17.2°C
🌤️ Feels accurate
Rain Chance
36%
Avg 2.6mm if it rains
Cloud Cover
65%
Light drizzle
Pressure
1014.4 hPa
Medium volatility
Santander Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 87% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 20:00
Type I-II
🔴 22 min to burn
Type III-IV
🟡 33 min to burn
Type V-VI
🟢 55 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.3°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Holiday
Easter Monday
Flight Traffic
Quiet
34/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~10
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Santander
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:24
☀️ Noon
13:15
🌇 Sunset
20:05
⏱️ Daylight
13h 41m
Wind Speed
18 km/h
Gentle breeze
Sunshine
9.6 hrs
Direct Sun (Cloud-free)
Humidity
78%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Santander
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Santander
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Santander on April 21 averages 17.2°C with a 36% precipitation probability. Wedding/Outdoor Event Score: 83/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Santander Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
April 23
17.8°C • 31% rain
Score
88
April 24
17.6°C • 32% rain
Score
87
April 16
16.8°C • 29% rain
Score
86
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Santander Worth Visiting on April 21?
Planning a trip to Santander on April 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 17.2°C with a 36% historical precipitation risk.
🎉 Local Event: The date coincides with Easter Monday, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 10 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Spain, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 14.4°C (polar plunge). Wave conditions are generally surfers only with heights around 1.67m.
📊 Historical Extremes: The hottest April 21 recorded in the last 30 years saw temperatures hit 26.3°C in 2018, while the coldest dropped to 7.4°C in 2024.