Dumbarton Weather in March
What's the weather like in Dumbarton (Scotland) in March 2025?
The climate in Dumbarton during March can be summarized as cool and wet.
March is in the spring in Dumbarton and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night 2°C (35°F) is normal.
| Daytime temperature | 8°C 46.3°F |
|---|---|
| Nightly temperature | 1.9°C 35.3°F |
| Average temperature | 4.9°C 40.8°F |
| Daily sunshine | 3.3 hrs |
| Avg rainfall | 136 mm 5.4 ins |
| Rainy days | 20 days |
| Sea temperature | 6.8°C 44.2°F |
| Humidity | 83% |
| Windspeed | 19.1kph 12 mph |
On average March is the 6th wettest month of the year in Dumbarton with around 136mm 5.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.3 hours of sunshine per day.
March temperatures in Dumbarton
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 Dumbarton in March 2025.
Other monthly averages
Dumbarton weather stats
| Hottest month: | July | 17.9°C 64.2°F |
|---|---|---|
| Driest month: | April | 79mm 3.1ins |
| Sunniest month: | May | 6.2hrs |
| Coldest month: | January | 5.5°C 41.9°F |
| Wettest month: | October | 175mm 6.9ins |
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