Dinan climate
Wet Brittany weather and old-town terrain call for heating, damp, and access planning
No Dinan-specific 1991 to 2020 normal was verified. The St-Brieuc Météo-France proxy reports a 5.2 degree Celsius mean minimum, 15.1 degree mean maximum, 1,174 millimeters of annual precipitation, 130 precipitation days, and 2,117.5 sunshine hours.
Inspect heating, insulation, windows, roof, damp, drainage, walls, stairs, summer shade, power, and the route to care through rain, wind, or a freeze.
Living through the seasons
Summers are the easier season. Winter comfort deserves a closer look.
- Overall Comfort
- Very Good
3.7 / 5
- Average Summer High
- 73°F
- Days Above 90°F
- 2 days/year
- Summer Feel
- Excellent
Mild · 73°F
Excellent
4.8 / 5
- Average Winter Low
- 40°F / 4°C
- Days Below Freezing
- 11 days/year
- Winter Feel
- Very Good
Very Good
Excellent
3.9 / 5
The shape of the year
Humidity, comfortable months, and sunshine show how the seasons differ.
- Humidity
- 82%
- Comfortable Months
- 6 months
- Solar Exposure
- 1236 peak sun hrs/yr
Fair
Good
Air, allergies, and weather
Air quality and allergies shape day to day comfort. The best months and weather risks help with timing.
Air and allergies
- Air Quality
- Excellent
- Allergy Levels
- Low
4.4 / 5
Very Good
Current AQI
Checking…
Current PM2.5
Checking…
Timing and weather
- Long Term Fine Particle Pollution
- 8.3 µg/m³ 2021-2025 modeled average
- Best Months
- May, Jun, Jul, Aug, Sep, Oct
- Toughest Months
- Jan, Feb, Mar
- Heat Risk
- Low
- Drought Risk
- Medium - High (0.6-0.8)
- Weather Volatility
- Excellent
Good · 8.3 µg/m³ 2021-2025 modeled average
Very Good
4.3 / 5
Dinan in everyday life
Could Dinan work for you?
What may work well
- The regional proxy provides temperature, rain, and sunshine guidance.
- Dinan has cultural, library, port, green-space, and indoor choices.
What to think about
- The station is a regional proxy rather than a Dinan measurement.
- Damp, heating, rain, stairs, walls, power, and care access require attention.
Choose Dinan for the whole year
Inspect heating and damp
Review HVAC, insulation, windows, walls, roof, gutters, ventilation, and power.
Price rain resilience
Ask about drainage, flood maps, damp, walls, stairs, insurance, roads, and safe routes.
Keep indoor choices
Pair library, museums, culture, port, meals, and home activities during rain, wind, or cold.
Questions retirees ask
Is Dinan rainy?
The St-Brieuc proxy reports 1,174 millimeters of annual precipitation and 130 precipitation days. Heating, damp, drainage, walking surfaces, and indoor choices matter.
What should I inspect before buying?
Review heating, insulation, windows, walls, roof, damp, drainage, stairs, power, and the route to care.
Dinan's climate choice depends on heating, damp control, drainage, old-town access, indoor options, and routes that remain manageable through wet Brittany weather.
Sources
Climate comfort helps estimate how practical daily life may feel across the year, especially for heat, humidity, cold, and seasonal constraints.
Seasonal timing, health conditions, air conditioning, air quality, and elevation can change the lived experience.
- NASA POWER
Used for Overall Comfort, Summer Feel, Average Summer High, Days Above 90°F, Winter Feel, Average Winter Low, Days Below Freezing, Humidity, Comfortable Months, Solar Exposure, Best Months, Toughest Months, Allergy Levels, Heat Risk
- Open-Meteo Air Quality + Humidity Heuristic
Used for Air Quality, Long-Term Fine-Particle Pollution, Weather Volatility
Checked 2026-07-10
- World Resources Institute (WRI)
Used for Drought Risk
Checked 2026-07-13
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Partner with Retirement ListsResearch and writing byGrant Gibson
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