June 21 is generally a great time to visit Mont Saint-Michel. While there is a slight chance of rain (26%), showers are usually brief. Expect comfortable 21°C weather.
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Essential Travel Info for Mont Saint-Michel
Currency
EUR
€ Euro
Language
French
Driving
Right side
Safety
High Safety
GPI: 1.895
Mont Saint-Michel Weather Forecast for June 21
"Mild & Comfortable. Expect average highs of 21.1°C. 26% chance of rain."
What to Wear in Mont Saint-Michel in June
Based on historical data for June 21, Mont Saint-Michel typically experiences temperatures between 13.7°C and 21.1°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 Mont Saint-Michel
Smart Suitcase
- Light Jacket
- Long Pants
Average High
21.1°C
Daytime Peak
Average Low
13.7°C
Nighttime Low
Feels Like
21.3°C
☀️ Feels accurate
Rain Chance
26%
Avg 1.4mm if it rains
Cloud Cover
60%
Overcast
Pressure
1017.3 hPa
Medium volatility
Mont Saint-Michel 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 30 recommended
06:00 - 10:00
16:00 - 22:00
Type I-II
🔴 17 min to burn
Type III-IV
🟡 26 min to burn
Type V-VI
🟢 43 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.5°C
Noticeable
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
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in France
Flight Traffic
N/A
0/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
N/A
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Mont Saint-Michel
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:04
☀️ Noon
14:09
🌇 Sunset
22:13
⏱️ Daylight
16h 8m
Wind Speed
20.3 km/h
Moderate wind
Sunshine
11.7 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Mont Saint-Michel
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Mont Saint-Michel
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very 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, Mont Saint-Michel on June 21 averages 21.1°C with a 26% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Mont Saint-Michel 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
21.2°C • 21% rain
Score
98
June 23
21.2°C • 21% rain
Score
98
June 15
20.1°C • 23% rain
Score
97
💡 Moving your event by a few days could significantly improve weather conditions
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📍 Is Mont Saint-Michel Worth Visiting on June 21?
Planning a trip to Mont Saint-Michel on June 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 21.1°C with a 26% historical precipitation risk.
💉 Health Advisory: 7 vaccinations are recommended for France, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 20.6°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.35m.
📊 Historical Extremes: The hottest June 21 recorded in the last 30 years saw temperatures hit 34.3°C in 2025, while the coldest dropped to 11.3°C in 2019.