30YearWeather
San Sebastian, January 19
San Sebastian street view during January
Historical Weather Analysis

San Sebastian Weather on January 19 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

11.3°C

High

5.8°C

Low

40%

Rain

❄️ Feels like 9.8°C (wind chill)

rain
IT'S A GAMBLE

January 19 sees frequent showers in San Sebastian. Historical data shows a 40% chance of rain, so pack accordingly. Temperatures average 11°C. San Sebastian is very peaceful this time of year, perfect for a secluded and budget-friendly getaway.

Essential Travel Info for San Sebastian

Currency

EUR

Euro

Language

Spanish

+3 more

Driving

Right side

Safety

High Safety

GPI: 1.603

San Sebastian Weather Forecast for January 19

"Mild & Comfortable. Expect average highs of 11.3°C. 40% chance of snow."

What to Wear in San Sebastian in January

Based on historical data for January 19, San Sebastian typically experiences temperatures between 5.8°C and 11.3°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 40% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for San Sebastian

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves
  • Umbrella

Average High

extreme-hot

11.3°C

Daytime Peak

Average Low

extreme-cold

5.8°C

Nighttime Low

Feels Like

partly-cloudy-day

9.8°C

❄️ Minor difference

Snow Chance

snow

40%

Avg 4mm if it snows

Snowfall

snow

0.2 cm

~40% chance

Pressure

pressure

1020.6 hPa

High volatility

San Sebastian Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

90%Highly Predictable

Based on 10 years of data

Temperature
±3.0°CModerate
Precipitation
20-60%Moderate

🎯 This date historically delivers consistent weather 90% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.3Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 267 min to burn

Type III-IV

🟡 401 min to burn

Type V-VI

🟢 668 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

56Moderate
TemperatureCool
HumidityMuggy
WindBreezy

Dew Point

7.6°C

Dry air

Heat Stress

Low

No heat warning

😐 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
13.6°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
1.53m
🌊 Surfers Only
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Spain

Flight Traffic

Minimal

17/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~5

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in San Sebastian

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

08:36

☀️ Noon

13:19

🌇 Sunset

18:02

⏱️ Daylight

9h 26m

Golden Hour
Morning08:36 - 09:20
17:18 - 18:02Evening

Wind Speed

wind

20.3 km/h

Moderate wind

Sunshine

clear-day

5.2 hrs

Direct Sun (Cloud-free)

Humidity

humidity

78%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for San Sebastian

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 San Sebastian

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

68/100

Tourist Crowds

🟢 Moderate

40/100

Price Level

💰💰 Moderate

50/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1020.6 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
35AQI
Good
PM2.5 Concentration5.2 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):15
In Jan (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, San Sebastian on January 19 averages 11.3°C with a 40% precipitation probability. Wedding/Outdoor Event Score: 67/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

San Sebastian Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2025
15.2°C
Coldest
2017
-1.3°C
Rainiest
2023
27.1mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (January 19) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is San Sebastian Worth Visiting on January 19?

Planning a trip to San Sebastian on January 19? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 11.3°C with a 40% historical precipitation risk.

✈️ Travel Logistics: Approximately 5 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 13.6°C (polar plunge). Wave conditions are generally surfers only with heights around 1.53m.

📊 Historical Extremes: The hottest January 19 recorded in the last 30 years saw temperatures hit 15.2°C in 2025, while the coldest dropped to -1.3°C in 2017.

San Sebastian Weather FAQ