March 21 is statistically one of the best days of the year in Athens. With minimal rain risk (12%) and pleasant highs of 16°C, it's ideal for outdoor adventures. It's a quieter period for Athens, ideal for those who prefer unhurried sightseeing.
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Essential Travel Info for Athens
Currency
EUR
€ Euro
Language
Greek
Driving
Right side
Connect
As of Sept 2021, Athens has 5G from Cosm...
Safety
High Safety
GPI: 1.838
Athens Weather Forecast for March 21
"Mild & Comfortable. Expect average highs of 16°C. 12% chance of rain."
What to Wear in Athens in March
Based on historical data for March 21, Athens typically experiences temperatures between 7.6°C and 16°C. We recommend packing light jacket, long pants 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 Athens
Smart Suitcase
- Light Jacket
- Long Pants
Average High
16°C
Daytime Peak
Average Low
7.6°C
Nighttime Low
Feels Like
16°C
🌤️ Feels accurate
Rain Chance
12%
Avg 0.6mm if it rains
Cloud Cover
47%
Overcast
Pressure
1016.2 hPa
Medium volatility
Athens Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 25 min to burn
Type III-IV
🟡 38 min to burn
Type V-VI
🟢 63 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10.3°C
Pleasant
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
Business Day
Standard hours in Greece
Flight Traffic
Quiet
39/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~327
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Athens
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:28
☀️ Noon
12:33
🌇 Sunset
18:38
⏱️ Daylight
12h 9m
Wind Speed
14.5 km/h
Gentle breeze
Sunshine
9.8 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Athens
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Athens
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Athens on March 21 averages 16°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 93/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Athens Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
March 27
17.6°C • 14% rain
Score
99
March 28
17.5°C • 14% rain
Score
99
March 26
17.5°C • 12% rain
Score
98
💡 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 Athens Worth Visiting on March 21?
Planning a trip to Athens on March 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 16°C with a 12% historical precipitation risk.
✈️ Travel Logistics: Approximately 327 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 6 vaccinations are recommended for Greece, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 15.8°C (polar plunge). Wave conditions are generally lake-like with heights around 0.24m.
📊 Historical Extremes: The hottest March 21 recorded in the last 30 years saw temperatures hit 19.6°C in 2017, while the coldest dropped to 2.8°C in 2022.