30YearWeather
Mont Saint-Michel, July 18
Mont Saint-Michel street view during July
Historical Weather Analysis

Mont Saint-Michel Weather on July 18 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

22.8°C

High

15.1°C

Low

17%

Rain

☀️ Feels like 23.3°C

partly-cloudy-day
YES, GOOD CHOICE
0

July 18 is generally a great time to visit Mont Saint-Michel. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 23°C weather.

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 July 18

"Mild & Comfortable. Expect average highs of 22.8°C. 17% chance of rain."

What to Wear in Mont Saint-Michel in July

Based on historical data for July 18, Mont Saint-Michel typically experiences temperatures between 15.1°C and 22.8°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Mont Saint-Michel

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

22.8°C

Daytime Peak

Average Low

extreme-cold

15.1°C

Nighttime Low

Feels Like

partly-cloudy-day

23.3°C

☀️ Feels accurate

Rain Chance

rain

17%

Avg 1.1mm if it rains

Cloud Cover

cloudy

57%

Light drizzle

Pressure

pressure

1017.3 hPa

Medium volatility

Mont Saint-Michel Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

62%Moderately Predictable

Based on 10 years of data

Temperature
±5.4°CVariable
Precipitation
9-30%Predictable

~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

4.5Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 22:00

Time to Sunburn

Type I-II

🔴 18 min to burn

Type III-IV

🟡 27 min to burn

Type V-VI

🟢 45 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

78Good
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

18.1°C

Noticeable

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
21.1°C
🏊 Swimming Pool
Avg daily surface temperature
Surf Conditions
0.43m
🌊 Lake-like
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

✅ Excellent Swimming 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

06:23

☀️ Noon

14:13

🌇 Sunset

22:03

⏱️ Daylight

15h 39m

Golden Hour
Morning06:23 - 07:11
21:15 - 22:03Evening

Wind Speed

wind

21.5 km/h

Moderate wind

Sunshine

clear-day

11.9 hrs

Direct Sun (Cloud-free)

Humidity

humidity

75%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Mont Saint-Michel

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 Mont Saint-Michel

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

86/100

Tourist Crowds

🔴 Very Busy

95/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1017.3 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
52AQI
Moderate
PM2.5 Concentration12.6 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Mont Saint-Michel on July 18 averages 22.8°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 98/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Mont Saint-Michel Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2022
39.6°C
Coldest
2023
13.2°C
Rainiest
2025
7.5mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

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Same date (July 18) in other destinations

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📍 Is Mont Saint-Michel Worth Visiting on July 18?

Planning a trip to Mont Saint-Michel on July 18? 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 22.8°C with a 17% historical precipitation risk.

💉 Health Advisory: 7 vaccinations are recommended for France, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 21.1°C (swimming pool). Wave conditions are generally lake-like with heights around 0.43m.

📊 Historical Extremes: The hottest July 18 recorded in the last 30 years saw temperatures hit 39.6°C in 2022, while the coldest dropped to 13.2°C in 2023.

Mont Saint-Michel Weather FAQ