Best time to visit London
The best months to visit London are July, August and June, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
July, August and June score best for London weather:
- June20° / 12°CJune has long daylight, Trooping the Colour season, and comfortable evenings for Regent's Canal and theatre nights.
- July22° / 14°CJuly is peak summer, with Wimbledon demand, outdoor concerts, and warm but still changeable park weather.
- August22° / 14°CAugust is warm and busy, with Notting Hill Carnival and Buckingham Palace State Rooms shaping west London plans.
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By TripSapien Research · Updated May 20, 2026
London weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight |
|---|---|---|---|---|---|
| January | 8° | 3° | 57 | 17 | 8h |
| February | 8° | 3° | 47 | 15 | 9h |
| March | 11° | 4° | 44 | 16 | 11h |
| April | 14° | 6° | 46 | 16 | 13h |
| May | 17° | 9° | 54 | 17 | 15h |
| JuneBest weather | 20° | 12° | 57 | 16 | 16h |
| JulyBest weather | 22° | 14° | 54 | 18 | 17h |
| AugustBest weather | 22° | 14° | 61 | 18 | 15h |
| September | 19° | 12° | 46 | 15 | 14h |
| October | 15° | 9° | 64 | 17 | 12h |
| November | 11° | 6° | 63 | 16 | 10h |
| December | 8° | 4° | 60 | 16 | 8h |
Temperatures in °C. Long-term monthly averages.
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London month by month
January
London in January: 7.7°C high, 3.1°C low, 56.5mm rain over 17 days, 8.4h daylight. Mild but rainy — flexible plans pay off.
February
London in February: 8.4°C high, 3.2°C low, 46.5mm rain over 15 days, 9.2h daylight. Mild but rainy — flexible plans pay off.
March
London in March: 10.6°C high, 4.3°C low, 44.3mm rain over 16 days, 10.9h daylight. Mild but rainy — flexible plans pay off.
April
London in April: 13.6°C high, 5.9°C low, 45.8mm rain over 16 days, 13h daylight. Mild but rainy — flexible plans pay off.
May
London in May: 16.7°C high, 8.9°C low, 53.7mm rain over 17 days, 14.9h daylight. Mild but rainy — flexible plans pay off.
JuneBest weather
London in June: 19.9°C high, 11.9°C low, 57.3mm rain over 16 days, 16.3h daylight. Mild but rainy — flexible plans pay off.
JulyBest weather
London in July: 22.1°C high, 14°C low, 54.3mm rain over 18 days, 16.5h daylight. Mild but rainy — flexible plans pay off.
AugustBest weather
London in August: 21.7°C high, 14°C low, 60.9mm rain over 18 days, 15.4h daylight. Mild but rainy — flexible plans pay off.
September
London in September: 19.1°C high, 11.7°C low, 45.8mm rain over 15 days, 13.6h daylight. Mild but rainy — flexible plans pay off.
October
London in October: 15.2°C high, 9.1°C low, 63.7mm rain over 17 days, 11.6h daylight. Mild but rainy — flexible plans pay off.
November
London in November: 10.8°C high, 5.8°C low, 63.2mm rain over 16 days, 9.7h daylight. Mild but rainy — flexible plans pay off.
December
London in December: 8.1°C high, 3.8°C low, 60.1mm rain over 16 days, 8.2h daylight. Mild but rainy — flexible plans pay off.
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