March 21 is statistically one of the best days of the year in Prague. With minimal rain risk (13%) and pleasant highs of 10°C, it's ideal for outdoor adventures. You'll enjoy Prague with reasonable crowd levels and competitive accommodation options.
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Prague Weather Forecast for March 21
"Mild & Comfortable. Expect average highs of 10.4°C. 13% chance of snow."
What to Wear in Prague in March
Based on historical data for March 21, Prague typically experiences temperatures between 0.8°C and 10.4°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (13% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Prague
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
10.4°C
Daytime Peak
Average Low
0.8°C
Nighttime Low
Feels Like
8.9°C
❄️ Minor difference
Snow Chance
13%
Avg 0.8mm if it snows
Snowfall
0.2 cm
~13% chance
Pressure
1019.1 hPa
High volatility
Prague Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 79% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 35 min to burn
Type III-IV
🟡 53 min to burn
Type V-VI
🟢 88 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
5.4°C
Dry air
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Czech Republic
Flight Traffic
Moderate
51/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~173
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Prague
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:04
☀️ Noon
12:10
🌇 Sunset
18:16
⏱️ Daylight
12h 11m
Wind Speed
16.1 km/h
Gentle breeze
Sunshine
7.8 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Prague
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Prague
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Prague on March 21 averages 10.4°C with a 13% precipitation probability. Wedding/Outdoor Event Score: 72/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Prague Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
March 26
11.5°C • 14% rain
Score
78
March 28
12.5°C • 15% rain
Score
78
March 25
11.3°C • 14% rain
Score
77
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (March 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Prague Worth Visiting on March 21?
Planning a trip to Prague on March 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 10.4°C with a 13% historical precipitation risk.
✈️ Travel Logistics: Approximately 173 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest March 21 recorded in the last 30 years saw temperatures hit 16.3°C in 2025, while the coldest dropped to -4.3°C in 2018.