Weather
Weather in London by month
The best time to visit is May–September, with average highs of 17–23°C and moderate rain. July is the warmest month (about 23°C by day) and January the coolest (1°C at night); November is the wettest (around 74 mm of rain) and April the driest.
London weather by month
| Month | Jan | Feb | Mar | Apr | May★ | Jun★ | Jul★ | Aug★ | Sept★ | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High / Low (°C) | 7° 1° | 7° 1° | 10° 2° | 14° 4° | 17° 7° | 20° 11° | 23° 13° | 22° 12° | 19° 10° | 15° 7° | 10° 4° | 7° 2° |
| Rain (mm) | 65 | 54 | 50 | 42 | 55 | 56 | 60 | 66 | 44 | 73 | 74 | 71 |
Average daily high and low (°C) and monthly rainfall (mm) · Forecast: MET Norway (yr.no) · Climate averages: NASA POWER
London month by month
January
7°/ 1°Chilly
65 mm · some rainPack: Winter coat and warm layers · umbrella
Good trips this month
Chilly and some rain: around 7°C by day and 1°C at night, with about 65 mm of rain.
February
7°/ 1°Chilly
54 mm · some rainPack: Winter coat and warm layers · umbrella
Good trips this month
Chilly and some rain: around 7°C by day and 1°C at night, with about 54 mm of rain.
March
10°/ 2°Chilly
50 mm · some rainPack: Winter coat and warm layers · umbrella
Good trips this month
Chilly and some rain: around 10°C by day and 2°C at night, with about 50 mm of rain.
April
14°/ 4°Cool
42 mm · fairly dryPack: Jacket and a sweater
Good trips this month
Cool and fairly dry: around 14°C by day and 4°C at night, with about 42 mm of rain.
- ★ Best time
May
17°/ 7°Cool
55 mm · some rainPack: Jacket and a sweater · umbrella
Good trips this month
Cool and some rain: around 17°C by day and 7°C at night, with about 55 mm of rain.
- ★ Best time
June
20°/ 11°Mild
56 mm · some rainPack: Light layers and a light jacket · umbrella
Good trips this month
Mild and some rain: around 20°C by day and 11°C at night, with about 56 mm of rain.
- ★ Best time
July
23°/ 13°Mild
60 mm · some rainPack: Light layers and a light jacket · umbrella
Good trips this month
Mild and some rain: around 23°C by day and 13°C at night, with about 60 mm of rain.
- ★ Best time
August
22°/ 12°Mild
66 mm · some rainPack: Light layers and a light jacket · umbrella
Good trips this month
Mild and some rain: around 22°C by day and 12°C at night, with about 66 mm of rain.
- ★ Best time
September
19°/ 10°Mild
44 mm · fairly dryPack: Light layers and a light jacket
Good trips this month
Mild and fairly dry: around 19°C by day and 10°C at night, with about 44 mm of rain.
- This month
October
15°/ 7°Cool
73 mm · some rainPack: Jacket and a sweater · umbrella
Good trips this month
Cool and some rain: around 15°C by day and 7°C at night, with about 73 mm of rain.
November
10°/ 4°Chilly
74 mm · some rainPack: Winter coat and warm layers · umbrella
Good trips this month
Chilly and some rain: around 10°C by day and 4°C at night, with about 74 mm of rain.
December
7°/ 2°Chilly
71 mm · some rainPack: Winter coat and warm layers · umbrella
Good trips this month
Chilly and some rain: around 7°C by day and 2°C at night, with about 71 mm of rain.
Weather questions about London
Quick answers
When is the best time to visit London?
What's the weather like in London in October?
Cool and some rain: around 15°C by day and 7°C at night, with about 73 mm of rain. Pack: Jacket and a sweater, umbrella.
When is the best time for boat trips in London?
June–September: that's when the weather suits it best — warm enough and mostly dry.
When is the best time for sightseeing in London?
April–October: that's when the weather suits it best — warm enough and mostly dry.
What is the warmest month in London?
July: average highs of about 23°C and lows of 13°C.
Which month has the most rain in London?
How cold does London get?
In January, the coolest month, days average 7°C and nights 1°C. Frost is rare.
Average daily high and low (°C) and monthly rainfall (mm) · Forecast: MET Norway (yr.no) · Climate averages: NASA POWER · London Things To Do