May 21 is generally a great time to visit Paris. While there is a slight chance of rain (26%), showers are usually brief. Expect comfortable 20°C weather. It's a great middle-ground for visiting Paris—enough activity to feel the pulse, but no overwhelming lines.
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Essential Travel Info for Paris
Currency
EUR
€ Euro
Language
French
Driving
Right side
Connect
As of Sept 2021, Paris has 5G from all F...
Safety
High Safety
GPI: 1.895
Paris Weather Forecast for May 21
"Mild & Comfortable. Expect average highs of 19.6°C. 26% chance of rain."
What to Wear in Paris in May
Based on historical data for May 21, Paris typically experiences temperatures between 10.4°C and 19.6°C. We recommend packing light jacket, long pants to stay comfortable. With a 26% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Paris
Smart Suitcase
- Light Jacket
- Long Pants
Average High
19.6°C
Daytime Peak
Average Low
10.4°C
Nighttime Low
Feels Like
19.6°C
🌤️ Feels accurate
Rain Chance
26%
Avg 1.5mm if it rains
Cloud Cover
64%
Overcast
Pressure
1016.5 hPa
Medium volatility
Paris Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 90% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 20:00
Type I-II
🔴 20 min to burn
Type III-IV
🟡 30 min to burn
Type V-VI
🟢 50 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.2°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 France
Flight Traffic
Moderate
56/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~718
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Paris
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:03
☀️ Noon
12:48
🌇 Sunset
20:33
⏱️ Daylight
15h 30m
Wind Speed
17.2 km/h
Gentle breeze
Sunshine
10.5 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Paris
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Paris
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
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 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, Paris on May 21 averages 19.6°C with a 26% precipitation probability. Wedding/Outdoor Event Score: 94/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Paris Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 26
20.6°C • 21% rain
Score
97
May 27
20.8°C • 21% rain
Score
97
May 28
21°C • 23% rain
Score
97
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 21) in other destinations
Barcelona
Spain
Lisbon
Portugal
Rome
Italy
Prague
Czech Republic
London
United Kingdom
🌍 Explore the same date in different destinations around the world
📍 Is Paris Worth Visiting on May 21?
Planning a trip to Paris 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 19.6°C with a 26% historical precipitation risk.
✈️ Travel Logistics: Approximately 718 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for France, including COVID-19.
📊 Historical Extremes: The hottest May 21 recorded in the last 30 years saw temperatures hit 28.3°C in 2020, while the coldest dropped to 8.5°C in 2017.