Best time to visit · UK
Best time to visit London
London averages 27 just-right days a year; July is best. Most other days miss by being too cool.
(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
London weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 27
- Too cool 285
- Too hot 11
- Too muggy 8
- Too gray 35
When to visit London
The best time to visit London for comfortable weather is July, when 26% of days are just right. January, February, March, April, May, September, October, November and December are mostly too cool, with average highs of 46 to 67°F (19°C).
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 46°F (8°C) | 38°F (3°C) | 81% | 0 |
| February | 48°F (9°C) | 37°F (3°C) | 78% | 0 |
| March | 53°F (12°C) | 39°F (4°C) | 75% | 0 |
| April | 58°F (14°C) | 41°F (5°C) | 66% | 0 |
| May | 64°F (18°C) | 46°F (8°C) | 65% | 2 |
| June | 71°F (22°C) | 52°F (11°C) | 64% | 6 |
| July | 74°F (23°C) | 54°F (12°C) | 58% | 8 |
| August | 73°F (23°C) | 55°F (13°C) | 60% | 7 |
| September | 67°F (19°C) | 52°F (11°C) | 65% | 3 |
| October | 60°F (16°C) | 47°F (8°C) | 71% | 0 |
| November | 52°F (11°C) | 42°F (6°C) | 76% | 0 |
| December | 47°F (8°C) | 39°F (4°C) | 81% | 0 |
How London compares
London gets 27 just-right days a year with our default window; the median big US city gets 33. On muggy days: 8. On gray days: 35.
Places with a similar climate
Nearby
London averages 27 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/uk/london/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.