Helensburgh Weather in August

During August, Helensburgh experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 11°C (52°F). As part of the summer season, expect quite a bit of rainfall. Around 149 mm (5.9 in) is typical.

Rainfall in Helensburgh in August

Expect around 19 days of rain based on historical data, with 149 mm (5.9 in) average. 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 Helensburgh in August

In August, Helensburgh gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 11°C (52°F). August is typically considered a summer month. Even when the weather is stable, mornings and evenings can still feel distinctly cool. 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 Helensburgh in August

The city usually sees around 145 hours of sunlight, indicating a moderately sunny period.

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 Helensburgh's climate page.

Helensburgh Temperature in August

Min Temperature 11°C (52°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 63%  

Precipitation 149 mm (5.9 in)  

Rainy days 19 days  

Humidity 75% *  

Sunshine 145 hours *  

Percentage Sunshine 29% *  

* Data from: Glasgow, Scotland (24 KM, 15 Miles).

What to Wear in Helensburgh in August

For Helensburgh in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Helensburgh 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 Helensburgh's climate page.

More climate data for Helensburgh

Temperature Rainfall Sunshine Humidity

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