Average Monthly Sunshine hours in Dumbarton

This graph shows the average number of hours per month that Dumbarton receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

• On average, May is the sunniest month with 188 hours of sunshine.
• January has on average the lowest amount of sunshine with 37 hours.
• On average, the total annual amount of sun is 1282 hours.

Forecast: is it sunny in Dumbarton?

Wed   Dec 11

0°C | -4°C

E 4 km/h

broken clouds and no rain

hourly forecast

Thu   Dec 12

2°C | -2°C

E 4 km/h

1.6 mm

broken clouds and small chance of snow

hourly forecast

Fri   Dec 13

4°C | 0°C

SW 4 km/h

broken clouds and no rain

hourly forecast

5-Day Forecast 10-Day Forecast