April 21 is statistically one of the best days of the year in Gdańsk. With minimal rain risk (12%) and pleasant highs of 12°C, it's ideal for outdoor adventures. You'll find plenty of company in Gdańsk this month as tourism activity remains quite robust. Note: April 21 is Easter Monday in Gdańsk, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Gdańsk
Currency
PLN
zł Polish złoty
Language
Polish
Driving
Right side
Connect
Gdańsk provides an extensive network of ...
Safety
High Safety
GPI: 1.552
Gdańsk Weather Forecast for April 21
"Mild & Comfortable. Expect average highs of 12.2°C. 12% chance of rain."
What to Wear in Gdańsk in April
Based on historical data for April 21, Gdańsk typically experiences temperatures between 4.1°C and 12.2°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Gdańsk
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
12.2°C
Daytime Peak
Average Low
4.1°C
Nighttime Low
Feels Like
11.1°C
🌤️ Minor difference
Rain Chance
12%
Avg 0.8mm if it rains
Cloud Cover
49%
Overcast
Pressure
1016.6 hPa
Medium volatility
Gdańsk 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
04:00 - 09:30
16:00 - 18:00
Type I-II
🔴 24 min to burn
Type III-IV
🟡 36 min to burn
Type V-VI
🟢 60 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
7.5°C
Dry air
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
Busy
74/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~81
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Gdańsk
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:31
☀️ Noon
11:45
🌇 Sunset
18:59
⏱️ Daylight
14h 27m
Wind Speed
19.9 km/h
Gentle breeze
Sunshine
10.6 hrs
Direct Sun (Cloud-free)
Humidity
73%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Gdańsk
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Gdańsk
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Gdańsk on April 21 averages 12.2°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 82/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Gdańsk Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
April 28
14.5°C • 18% rain
Score
90
April 24
13.3°C • 13% rain
Score
88
April 23
13°C • 13% rain
Score
87
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 21) in other destinations
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📍 Is Gdańsk Worth Visiting on April 21?
Planning a trip to Gdańsk on April 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 12.2°C with a 12% historical precipitation risk.
🎉 Local Event: The date coincides with Easter Monday, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 81 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Poland, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 7.9°C (polar plunge). Wave conditions are generally fun waves with heights around 0.81m.
📊 Historical Extremes: The hottest April 21 recorded in the last 30 years saw temperatures hit 16.1°C in 2018, while the coldest dropped to 2.2°C in 2020.