Dumbarton Weather in December

During December, Dumbarton experiences low daytime temperatures of 8°C (46°F) and cooler nights around 2°C (36°F). As part of the winter season, expect quite a bit of rainfall. Around 152 mm (6 in) is typical.

Rainfall in Dumbarton in December

Analyzing past climate data, one can expect approximately 21 days of rain, averaging 152 mm (6 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Dumbarton in December

In December, Dumbarton gets low temperatures, with highs of 8°C (46°F). Nights cool to around 2°C (36°F). Winter occurs in December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Dumbarton in December

The area sees fewer sunny days, with a projection of about 37 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

December in Dumbarton can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Dumbarton's climate page.

Dumbarton Temperature in December

Min Temperature 2°C (36°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 71%  

Precipitation 152 mm (6 in)  

Rainy days 21 days  

Humidity 87% *  

Sunshine 37 hours *  

Percentage Sunshine 12% *  

* Data from: Glasgow, Scotland (12 KM, 7 Miles).

What to Wear in Dumbarton in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Dumbarton in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Dumbarton's climate page.

More climate data for Dumbarton

Temperature Rainfall Sunshine Humidity

See the full Dumbarton climate overview or explore weather in the United Kingdom.