Dumbarton Weather in August

August in Dumbarton brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 11°C (52°F). Quite a bit of rainfall is expected, around 126 mm (5 in), so pack an umbrella.

Rainfall in Dumbarton in August

Climate statistics over the past 30 years suggest around 18 days of rain, with 126 mm (5 in) average for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Dumbarton in August

Temperatures in Dumbarton in August top out at 19°C (66°F) and drop to 11°C (52°F) overnight. August is in the summer season. Conditions are often most pleasant around the middle of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Dumbarton in August

You can expect a moderate amount of sunlight, with approximately 145 hours. This means a pleasant mix of sun and overcast.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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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 August

Min Temperature 11°C (52°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 61%  

Precipitation 126 mm (5 in)  

Rainy days 18 days  

Humidity 75% *  

Sunshine 145 hours *  

Percentage Sunshine 29% *  

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

What to Wear in Dumbarton in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Dumbarton in August

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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.