London in August
In August, London averages 23°C (73°F) during the day and 15°C (59°F) at night, with around 8 days of rain (50 mm total).
Peak seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
August is a great month to visit London: pleasant temperatures and relatively few wet days.
How August compares to the rest of the year in London
August is one of the warmest months in London (2nd of 12) and one of the driest months (11th of 12). Daytime temperature runs 8°C above the annual average (16°C). August runs 1°C cooler than July (24°C) and cools 3°C in September (20°C).
August sunrise & sunset in London
Times shown for London local time (Europe/London), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in London — August
Golden-hour and blue-hour windows for the 15th of August, in London's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — London in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Peak season) and London's popularity.
August in United Kingdom — events that affect travel
Known cultural, religious, or national events that surge prices, fill hotels, or close businesses during this month. Plan around them, or build your itinerary around the ones you'd like to see.
UK has long-weekend bank holidays in early May, late May, and late August. Many independent shops and some attractions close; popular destinations (Cotswolds, Cornwall) get busy.
Plan: Sundays + Mondays surrounding bank holidays = peak domestic travel. Book accommodation 4-6 weeks out.
Crowds & pricing — August in London
London is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather Northern Hemisphere summer holidays
Sun & mosquito risk — August in London
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
London in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 8°C / 46°F | 3°C / 37°F | 55 mm | 11 | 2 |
| February | 9°C / 48°F | 3°C / 37°F | 41 mm | 9 | 2 |
| March | 12°C / 54°F | 5°C / 41°F | 42 mm | 9 | 1 |
| April | 15°C / 59°F | 7°C / 45°F | 44 mm | 9 | 0 |
| May | 18°C / 64°F | 10°C / 50°F | 49 mm | 9 | 0 |
| June | 22°C / 72°F | 13°C / 55°F | 45 mm | 8 | 0 |
| July | 24°C / 75°F | 15°C / 59°F | 45 mm | 8 | 0 |
| August | 23°C / 73°F | 15°C / 59°F | 50 mm | 8 | 0 |
| September | 20°C / 68°F | 13°C / 55°F | 49 mm | 8 | 0 |
| October | 16°C / 61°F | 10°C / 50°F | 69 mm | 10 | 0 |
| November | 11°C / 52°F | 6°C / 43°F | 59 mm | 11 | 1 |
| December | 8°C / 46°F | 3°C / 37°F | 55 mm | 11 | 2 |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for London in August →
Frequently asked questions
How hot is London in August?
In August, London averages a high of 23°C (73°F) and a low of 15°C (59°F) — generally mild and pleasant.
Does it rain a lot in London in August?
August sees occasional rain in London, with about 8 rainy days on average.
Is August a good time to visit London?
August is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for London in August?
Pack light layers for warm days and cooler evenings. See the full August packing list for London for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.