Heathrow Weather in August

Heathrow in August sees high temperatures, with highs around 23°C (73°F) and overnight lows of 13°C (55°F). Rainfall is fairly high at around 66 mm (2.6 in) on average, so pack waterproofs just in case.

Rainfall in Heathrow in August

This month experiences about 12 days of rain according to historical data, averaging 66 mm (2.6 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Heathrow in August

The perfect temperature in Heathrow in August makes it a solid month to visit, with 23°C (73°F) during the day and 13°C (55°F) at night. The month of August belongs to the summer season. This kind of day-to-night contrast is typical for this time of year. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Heathrow in August

Enjoy a sunny month with about 204 hours of sunshine, the clear skies make Heathrow even more beautiful.

Wind Speed in Heathrow in August

August has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Heathrow.

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

Heathrow Temperature in August

Min Temperature 13°C (55°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 41%  

Precipitation 66 mm (2.6 in)  

Rainy days 12 days  

Humidity 68% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 204 hours *  

Percentage Sunshine 45% *  

What to Wear in Heathrow 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. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Heathrow in August

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

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

8/10

Outdoor sports

10/10

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 Heathrow's climate page.

More climate data for Heathrow

Temperature Rainfall Sunshine Humidity Wind Speed

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