Dinan Weather in March
What's the weather like in Dinan (Brittany) in March 2026?
The climate in Dinan during March can be summarized as cool and reasonably dry.
March is in the spring in Dinan and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 11°C 51.7°F |
|---|---|
| Nightly temperature | 4.1°C 39.3°F |
| Average temperature | 7.5°C 45.5°F |
| Daily sunshine | 4.9 hrs |
| Avg rainfall | 62 mm 2.5 ins |
| Rainy days | 16 days |
| Sea temperature | 9.5°C 49.2°F |
| Humidity | 81% |
| Windspeed | 18kph 11 mph |
On average March is the 6th wettest month of the year in Dinan with around 62mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
March temperatures in Dinan
March rainfall
March hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Dinan in March 2025.
Other monthly averages
Dinan weather stats
| Hottest month: | July | 21.8°C 71.2°F |
|---|---|---|
| Driest month: | July | 42mm 1.7ins |
| Sunniest month: | July | 8.8hrs |
| Coldest month: | January | 7.9°C 46.2°F |
| Wettest month: | November | 93mm 3.7ins |
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