December 21 is generally a great time to visit Berlin. While there is a slight chance of rain (30%), showers are usually brief. Expect comfortable 5°C weather. Berlin is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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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 December 21
"Cold & Crisp. Expect average highs of 4.5°C. 30% chance of snow."
What to Wear in Berlin in December
Based on historical data for December 21, Berlin typically experiences temperatures between 0.3°C and 4.5°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 30% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Berlin
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
4.5°C
Daytime Peak
Average Low
0.3°C
Nighttime Low
Feels Like
0.8°C
❄️ Slightly colder
Snow Chance
30%
Avg 1.3mm if it snows
Snowfall
0.2 cm
~30% chance
Pressure
1015 hPa
High volatility
Berlin Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
2.7°C
Dry air
Heat Stress
Low
No heat warning
😣 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Germany
Flight Traffic
High
88/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~389
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Berlin
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:16
☀️ Noon
12:05
🌇 Sunset
15:55
⏱️ Daylight
7h 38m
Wind Speed
17.2 km/h
Gentle breeze
Sunshine
2.3 hrs
Direct Sun (Cloud-free)
Humidity
88%
Humid / Damp
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
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
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 December 21 averages 4.5°C with a 30% precipitation probability. Wedding/Outdoor Event Score: 32/100."
— 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
December 16
4.1°C • 13% rain
Score
42
December 18
4.5°C • 18% rain
Score
38
December 26
4.8°C • 25% rain
Score
37
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Berlin Worth Visiting on December 21?
Planning a trip to Berlin on December 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 4.5°C with a 30% historical precipitation risk.
✈️ Travel Logistics: Approximately 389 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 December 21 recorded in the last 30 years saw temperatures hit 10.6°C in 2015, while the coldest dropped to -3.8°C in 2021.