June 21 is statistically one of the best days of the year in Athens. With minimal rain risk (4%) and pleasant highs of 32°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Athens right now—this is when the city truly comes alive with visitors.
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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 June 21
"Warm & Sunny. Expect average highs of 31.9°C. 4% chance of rain."
What to Wear in Athens in June
Based on historical data for June 21, Athens typically experiences temperatures between 21.3°C and 31.9°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (4% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Athens
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
31.9°C
Daytime Peak
Average Low
21.3°C
Nighttime Low
Feels Like
33.9°C
🔥 Minor difference
Rain Chance
4%
Avg 0.1mm if it rains
Cloud Cover
11%
Clear sky
Pressure
1012.3 hPa
Low volatility
Athens Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 50+, limit exposure 10am-4pm
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 9 min to burn
Type III-IV
🟡 14 min to burn
Type V-VI
🟢 23 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
19.8°C
Noticeable
Heat Index
33.9°C
Feels hotter
😐 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Greece
Flight Traffic
High
92/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~767
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Athens
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:04
☀️ Noon
12:28
🌇 Sunset
19:52
⏱️ Daylight
14h 48m
Wind Speed
15.5 km/h
Gentle breeze
Sunshine
13.3 hrs
Direct Sun (Cloud-free)
Humidity
49%
Comfortable
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
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
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 June 21 averages 31.9°C with a 4% precipitation probability. Wedding/Outdoor Event Score: 97/100."
— 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
June 22
32.2°C • 3% rain
Score
100
June 23
32.6°C • 2% rain
Score
100
June 24
32.8°C • 3% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (June 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Athens Worth Visiting on June 21?
Planning a trip to Athens on June 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 31.9°C with a 4% historical precipitation risk.
✈️ Travel Logistics: Approximately 767 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 24.6°C (swimming pool). Wave conditions are generally lake-like with heights around 0.21m.
📊 Historical Extremes: The hottest June 21 recorded in the last 30 years saw temperatures hit 35.7°C in 2024, while the coldest dropped to 18°C in 2017.