May 21 is generally a great time to visit Berlin. While there is a slight chance of rain (19%), showers are usually brief. Expect comfortable 20°C weather. Berlin is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Berlin
Currency
EUR
€ Euro
Language
German
Driving
Right side
Connect
You can find internet cafes and telephon...
Safety
Very High Safety
GPI: 1.462
Berlin Weather Forecast for May 21
"Mild & Comfortable. Expect average highs of 20°C. 19% chance of rain."
What to Wear in Berlin in May
Based on historical data for May 21, Berlin typically experiences temperatures between 10.5°C and 20°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (19% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Berlin
Smart Suitcase
- Light Jacket
- Long Pants
Average High
20°C
Daytime Peak
Average Low
10.5°C
Nighttime Low
Feels Like
20°C
☀️ Feels accurate
Rain Chance
19%
Avg 1mm if it rains
Cloud Cover
63%
Overcast
Pressure
1014.7 hPa
Medium volatility
Berlin Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 97% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 20:00
Type I-II
🔴 21 min to burn
Type III-IV
🟡 32 min to burn
Type V-VI
🟢 53 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.7°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Germany
Flight Traffic
Busy
63/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~281
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Berlin
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:03
☀️ Noon
12:04
🌇 Sunset
20:05
⏱️ Daylight
16h 2m
Wind Speed
17.2 km/h
Gentle breeze
Sunshine
11.2 hrs
Direct Sun (Cloud-free)
Humidity
67%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Berlin
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Berlin
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
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, Berlin on May 21 averages 20°C with a 19% precipitation probability. Wedding/Outdoor Event Score: 97/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Berlin Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
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 (May 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Berlin Worth Visiting on May 21?
Planning a trip to Berlin on May 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 20°C with a 19% historical precipitation risk.
✈️ Travel Logistics: Approximately 281 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Germany, including COVID-19.
📊 Historical Extremes: The hottest May 21 recorded in the last 30 years saw temperatures hit 26.3°C in 2023, while the coldest dropped to 7°C in 2020.