01Weather
London weather in August
Afternoons in August average 22.2 °C (72 °F) and nights cool to 13.7 °C (57 °F). The month brings about 55 mm (2.2 in) of rain spread over roughly 8 days. Compared with July it is 0.2 °C cooler; September is 3.0 °C cooler again.
What the averages hide
| In a typical August | Value | What it means |
|---|---|---|
| Warm afternoons (90th percentile) | 27 °C / 81 °F | one day in ten is at least this warm |
| Cool afternoons (10th percentile) | 18 °C / 64 °F | one day in ten stays below this |
| Cold nights (10th percentile) | 11 °C / 51 °F | one night in ten is colder than this |
| Days above 30 °C (86 °F) | 1.8 | per month, average 2016–2025 |
| Nights at or below 0 °C (32 °F) | 0.0 | frost mornings per month |
| Chance of rain on any given day | 28 % | at least 1 mm |
| Hottest / coldest August day 2016–2025 | 33.2 °C / 8.6 °C | extremes in the ten-year record |
02Daylight
Sunrise, sunset and the length of the day
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 1 August | 05:24 | 20:49 | 15.4 h |
| 15 August | 05:46 | 20:23 | 14.6 h |
| 31 August | 06:11 | 19:49 | 13.6 h |
Daylight shrinks by about 108 minutes over the month. Times are local (Europe/London).
03Crowds
How busy London is in August
very busy The main sights are very busy in August. What drives it:
- Notting Hill Carnival
- school holidays
- August bank holiday
04Public holidays
Public holidays in August 2027
| Date | Holiday |
|---|---|
| 30 Aug 2027 | Summer Bank Holiday |
On public holidays many shops close and museums run on Sunday hours; check opening times for the day before and after as well.
05Events
What's on in London in August
Every year in August
| Event | When | Type |
|---|---|---|
| Notting Hill Carnival | August bank-holiday weekend | festival |
07Packing
What to pack for London in August
- layers: t-shirt plus a light jacket for evenings
- comfortable walking shoes
- a compact umbrella for occasional showers
08Editor's notes
What the numbers don't tell you
August is the busiest month for international visitors, and the Notting Hill Carnival over the bank-holiday weekend at the end of the month draws around a million people to west London for two days of sound systems and parades. Many Londoners are away, so neighbourhood restaurants are easier to book while the big sights are not. Weather is warm but rarely stifling, with afternoons around 23 °C.
The Proms continue nightly at the Royal Albert Hall with cheap standing tickets on the day, and the Palace State Rooms remain open. The last Monday of August is a bank holiday, so museums are open but banks and some shops close. School holidays run all month, which keeps family attractions full until the first week of September. Hotel rates stay at their summer peak until the holidays end, then drop within days.
09Compare
London month by month
| Month | High | Low | Rain days | Sun h | Crowds | Verdict |
|---|---|---|---|---|---|---|
| January | 7 °C | 2 °C | 11 | – | quiet | Mixed |
| February | 9 °C | 4 °C | 11 | – | quiet | Mixed |
| March | 11 °C | 4 °C | 9 | – | moderate | Good |
| April | 14 °C | 5 °C | 7 | – | busy | Good |
| May | 17 °C | 8 °C | 9 | – | busy | Good |
| June | 21 °C | 12 °C | 8 | – | very busy | Good |
| July | 22 °C | 14 °C | 8 | – | very busy | Good |
| August | 22 °C | 14 °C | 8 | – | very busy | Good |
| September | 19 °C | 12 °C | 7 | – | busy | Excellent |
| October | 15 °C | 9 °C | 10 | – | moderate | Good |
| November | 10 °C | 6 °C | 12 | – | moderate | Good |
| December | 8 °C | 4 °C | 11 | – | busy | Mixed |
Not sure about August? See the best time to visit London.
10Elsewhere
August in nearby cities
| City | High | Rain days |
|---|---|---|
| Paris in August | 25 °C | 10 |
| Amsterdam in August | 23 °C | 12 |
| Dublin in August | 20 °C | 14 |
| Copenhagen in August | 22 °C | – |
| Prague in August | 26 °C | 10 |
| Venice in August | 29 °C | 6 |
11FAQ
London in August: your questions
Is August a good time to visit London?
August is a good month to visit London. Daytime highs average 22 °C (72 °F), rain falls on about 8 days, and hotel arrivals run above the yearly average, so the main sights are very busy.
What is the weather like in London in August?
Expect mild days around 22 °C (72 °F) and nights near 14 °C (57 °F). One August in ten brings afternoons above 27 °C, and one in ten stays below 18 °C.
Does it rain a lot in London in August?
August brings about 55 mm (2.2 in) of rain over roughly 8 days, which is fairly dry by London standards. On any given day the chance of at least 1 mm of rain is 28 percent.
What should I wear in London in August?
Pack layers: t-shirt plus a light jacket for evenings, comfortable walking shoes, a compact umbrella for occasional showers.
Is London crowded in August?
The main sights are very busy in August. Main drivers: Notting Hill Carnival; school holidays; August bank holiday.
What time does it get dark in London in August?
Around the middle of August the sun sets at about 20:23 and rises at 05:46, giving 14.6 hours of daylight.