London Heathrow Airport Weather, UK

What is the climate in Heathrow?

London, like Heathrow, has cool winters, warm summers, and moderate rainfall throughout the year. Such Heathrow weather is associated with a humid temperate oceanic climate. During the year, the average temperature is from 2°C (36°F) to 23°C (73°F). The temperature rarely drops below -2°C (28°F) or rises above 29°C (84°F). At London Heathrow Airport, summers are short and cloudy, while winters are long and frosty with windiness.

Heathrow Airport weather today

Do you want to know what the Heathrow weather is like now? Our visual weather block can help you! Take a look at the detailed Heathrow weather forecast for today and the coming days. In addition to air temperature, you can learn about humidity and other special weather conditions.

Best time to visit London Heathrow Airport, United Kingdom

According to the rating of tourists, the best time to visit London Heathrow Airport is summer. Average temperatures range from 21°C (70°F) to 23°C (73°F). From the end of June to the beginning of September the weather is warm and great for walks and activities.

• Peak Season

June to August is the warmest month in London. Also in the summer, there are many events where you can feel the rhythm of the city and get a lot of positive emotions.

• Shoulder Season

From September to October and from March to April the weather is changeable. Average temperatures range from 12°C (54°F) to 16°C (61°F). Moderate to heavy showers are also possible. You may need warmer clothes for walking. The main advantage of the shoulder season is the reduction in the number of tourists.

• Low Season

November to February is cold and humid in London. Average temperatures range from 9°C (48°F) to 12°C (54°F). Cold and heavy rains are falling in the city. Decorations in honour of Christmas and New Year can distract from the cold and rain.

Heathrow Airport weather conditions by season

Heathrow Airport weather in winter

The weather in Heathrow is cold and damp in winter. The high air temperature is around 8°C (46°F), rarely falling below 2°C (36°F) or exceeding 13°C (55°F). And the low air temperature is about 3°C (37°F), rarely falling below -2°C (28°F) or exceeding 9°C (48°F). In the winter season at London Heathrow Airport, it is cloudy, but at the same time, it drops from 71% to 64%.

In winter, the days are shorter and the sun sets as early as 16:00, so if you want to see the sights in daylight, you'll have to hurry. But wrapped in a warm scarf, you will enjoy the New Year's atmosphere in the city. By Christmas, all of London is in the scenery and lit up with lights. Activities include the Taste of London Winter food festival and the 10-day EFG London Jazz Festival.

Spring weather near Heathrow

In spring, the days become longer and the sun begins to gradually warm the air. High temperature at Heathrow Airport rises by 10°C (50°F), from 9°C (48°F) to 19°C (66°F), rarely dropping below 5°C (41°F) or exceeding 24°C (75°F). Low temperatures rise by 7°C (45°F), from 3°C (37°F) to 10°C (50°F), rarely falling below -1°C (30°F) or exceeding 13°C (55°F).

The weather in Heathrow in the spring begins to delight more often with sunshine and less cloudiness. Tourists are free to enjoy the sights of the city. Significant spring events include the London Marathon in April and University Rowing in early March. You can also visit the Chelsea Flower Show. You will be surprised by Londoners' love for flowers.

Heathrow weather in summer

Summer weather at Heathrow Airport is warm and sunny. High temperatures rise by 3°С (37°F), from 18°С (64°F) to 21°С (70°F), rarely falling below 14°С (57°F) or exceeding 28°С (82°F). Low temperatures rise by 3°С (37°F), from 10°С (50°F) to 13°С (55°F), rarely falling below 7°С (45°F) or exceeding 17°С (62°F). In summer, the weather in Heathrow is less rainy, but there is high humidity.

Summer is the peak season in London, so tourists from all over the world come to the city for entertainment. In addition to the Notting Hill Carnival and the Ashes series, there are many concerts in London during the summer. Music show venues include the Royal Albert Hall, Hyde Park, Field Day, Lovebox, and All Points East.

Fall weather at London Heathrow Airport

In autumn, the weather at Heathrow Airport becomes cool. High temperatures drop by 12°C (54°F), from 21°C (70°F) to 9°C (48°F), rarely falling below 5°C (41°F) or exceeding 25°C (77°F). Low temperatures drop by 8°C (46°F), from 12°C (54°F) to 4°C (39°F), rarely falling below -1°C (30°F) or exceeding 16°C (61°F). Rainfall is increasing and it can be even colder as a result.

Despite the rainy weather in Heathrow, the city pleases tourists with cultural entertainment. Significant events include the London Design Festival, as well as the Frieze Fair, where you can learn more about art in London. And also in autumn, you can celebrate the presence of the Thames at the festival of food, music, and exhibitions.

FAQs about Heathrow Airport weather

Is it cold inside Heathrow Airport?

The temperature at Heathrow Airport may vary due to weather conditions outside. However, each airport has standard temperatures that are adhered to. The ASHRA organization recommends an ideal temperature from 22°C (72°F) to 25°C (77°F).

Why is Heathrow Airport so hot?

The London Heathrow Airport building, runway, and surrounding areas form an urban heat island. The Heathrow temperature can be quite high. This is due to the fact that buildings tend to absorb and retain heat more than rural areas. Because of this property, temperatures tend to be higher in cities than in villages.