30YearWeather
San Sebastian, July 28
San Sebastian street view during July
Historical Weather Analysis

San Sebastian Weather on July 28 — Best Time to Visit?

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

cloudy

23.2°C

High

17.4°C

Low

25%

Rain

☀️ Feels like 23.9°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
HolidayPeak Season

July 28 is generally a great time to visit San Sebastian. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 23°C weather. San Sebastian is currently in its most popular travel window, meaning vibrant crowds and premium pricing. Note: July 28 is Day of the Cantabrian Institutions in San Sebastian, so expect special events, closures, and festive atmosphere.

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 July 28

"Mild & Comfortable. Expect average highs of 23.2°C. 25% chance of rain."

What to Wear in San Sebastian in July

Based on historical data for July 28, San Sebastian typically experiences temperatures between 17.4°C and 23.2°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (25% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for San Sebastian

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

23.2°C

Daytime Peak

Average Low

extreme-cold

17.4°C

Nighttime Low

Feels Like

partly-cloudy-day

23.9°C

☀️ Feels accurate

Rain Chance

rain

25%

Avg 1.7mm if it rains

Cloud Cover

cloudy

62%

Light drizzle

Pressure

pressure

1018 hPa

Low volatility

San Sebastian Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

88%Highly Predictable

Based on 10 years of data

Temperature
±3.4°CModerate
Precipitation
13-40%Predictable

🎯 This date historically delivers consistent weather 88% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

4.6Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 20:00

Time to Sunburn

Type I-II

🔴 17 min to burn

Type III-IV

🟡 26 min to burn

Type V-VI

🟢 43 min to burn

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

Outdoor Comfort

How pleasant is it outside?

77Good
TemperatureWarm
HumidityMuggy
WindLight Breeze

Dew Point

20.1°C

Humid/Sticky

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
22.6°C
🏊 Swimming Pool
Avg daily surface temperature
Surf Conditions
0.91m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Holiday

Day of the Cantabrian Institutions

Flight Traffic

High

93/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~28

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in San Sebastian

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:54

☀️ Noon

13:15

🌇 Sunset

20:36

⏱️ Daylight

14h 42m

Golden Hour
Morning05:54 - 06:35
19:55 - 20:36Evening

Wind Speed

wind

13.7 km/h

Gentle breeze

Sunshine

clear-day

10.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

83%

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

☀️ Excellent

80/100

Tourist Crowds

🔴 Very Busy

95/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1018 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

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 Jul (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, San Sebastian on July 28 averages 23.2°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 97/100."

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

San Sebastian Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2024
33.1°C
Coldest
2022
14.6°C
Rainiest
2025
12.9mm

Better Alternatives Nearby

Consider these dates within ±7 days

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

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Same date (July 28) in other destinations

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📍 Is San Sebastian Worth Visiting on July 28?

Planning a trip to San Sebastian on July 28? 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 23.2°C with a 25% historical precipitation risk.

🎉 Local Event: The date coincides with Day of the Cantabrian Institutions, which may influence local business hours and event availability.

✈️ Travel Logistics: Approximately 28 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 22.6°C (swimming pool). Wave conditions are generally fun waves with heights around 0.91m.

📊 Historical Extremes: The hottest July 28 recorded in the last 30 years saw temperatures hit 33.1°C in 2024, while the coldest dropped to 14.6°C in 2022.

San Sebastian Weather FAQ