August in London averages highs of 22 °C (72 °F) and lows of 14 °C (56 °F), with about 7 rainy days and 14 h 35 min of daylight.
August weather in London at a glance
average high to low each dot ≈ 3 rainy days
Is August a good time to visit London?
Good time to go: comfortably warm and some rain. August is usually high season in London: book rooms early, as prices are typically at their highest.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in August 2026
- Mon 31 Aug: Summer Bank Holiday public holiday
- Notting Hill Carnival over the late-August bank holiday weekend event
Banks and many shops close on public holidays, and museums may change their hours, so check before you go.
Things to do in London in August
August's weather suits a mix of outdoor sights and museums, so the open-air ones come first.
- Westminster and Big Ben — then a walk along the South Bank outdoors
- Hyde Park and Kensington — plus the free museums in South Kensington outdoors
- British Museum — free, huge, go with a plan indoors
- Tower of London and Tower Bridge — Crown Jewels inside indoors
- National Gallery and Trafalgar Square — free indoors
- Borough Market — lunch under cover indoors
Where to stay: South Bank or Covent Garden for sights on foot; King's Cross for transport; Shoreditch for nightlife.
What to pack for London in August
- Light layers for the day and a jumper for evenings, which cool to 14 °C (56 °F).
- Comfortable walking shoes.
What a day in London costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | £55–150 | £180–385 |
Excluding flights. August is usually high season in London: book rooms early, as prices are typically at their highest.
August in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Paris | 26° / 15° | 7 | Good time to go |
| Amsterdam | 22° / 14° | 10 | Mixed weather |
| Dublin | 19° / 13° | 10 | Good time to go |
Plan your London trip
- 3 Days in London Itinerary: First-Timer's Plan for 2026
- Is London Expensive? A Realistic Budget Guide for 2026
Want the whole trip planned? Join the Journey waitlist: tell it where, when and your budget, and it plans every day hour by hour.
FAQ
Is August a good time to visit London?
By the numbers, August is a good time to go: comfortably warm and some rain, with average highs of 22 °C (72 °F) and about 7 rainy days. August is usually high season in London: book rooms early, as prices are typically at their highest. The best months for weather are June, July, August, September.
How warm is London in August?
Average highs are 22 °C (72 °F) and lows 14 °C (56 °F) (2015–2024 averages).
Does it rain a lot in London in August?
Expect about 7 days with 2 mm of rain or more, about 57 mm in total. It is the 2nd driest month of the year in London.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights.