London Weather
London weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Apr, May, Jun, Jul, Aug, Sep and Oct.
London current weather
London now (local time 08:15)
14°C
Mostly clear
- Feels like
- 14°
- Humidity
- 86%
- Wind
- 3 km/h
Next 7 days · what to wear
9° – 22°C
Rain likely on 4 of 7 days
👕 Long sleeves with a light jacket or sweater; it's wet, so pack a compact umbrella.
London 14-day forecast
Today
10/4
☁️
21°
13°
💧0%
Mon
10/5
⛅
22°
13°
💧0%
Tue
10/6
🌦️
18°
14°
💧9%
Wed
10/7
🌦️
15°
11°
💧62%
Thu
10/8
☁️
15°
9°
💧7%
Fri
10/9
🌦️
16°
9°
💧56%
Sat
10/10
🌦️
15°
10°
💧53%
Sun
10/11
☁️
16°
8°
💧44%
Mon
10/12
🌦️
20°
16°
💧25%
Tue
10/13
🌦️
18°
13°
💧25%
Wed
10/14
☁️
15°
10°
💧24%
Thu
10/15
🌤️
12°
7°
💧24%
Fri
10/16
☁️
11°
4°
💧16%
Sat
10/17
⛅
12°
4°
💧31%
Best time to visit London
On temperature and rainfall, the most comfortable months in London are Apr, May, Jun, Jul, Aug, Sep and Oct. The hottest month is August (average high 23°C) and the coldest is January (average low 2°C).
London climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | 8°C | 2°C | 64 mm | 87% | -12°C |
| Feb | 10°C | 4°C | 64 mm | 82% | -11°C |
| Mar | 11°C | 4°C | 61 mm | 79% | -12°C |
| AprBest | 14°C | 5°C | 41 mm | 72% | -14°C |
| MayBest | 18°C | 8°C | 58 mm | 73% | -14°C |
| JunBest | 21°C | 12°C | 61 mm | 71% | -12°C |
| JulBest | 23°C | 14°C | 65 mm | 71% | -11°C |
| AugBest | 23°C | 14°C | 49 mm | 73% | -11°C |
| SepBest | 21°C | 12°C | 70 mm | 78% | -12°C |
| OctBest | 16°C | 9°C | 107 mm | 84% | -14°C |
| Nov | 11°C | 6°C | 71 mm | 86% | -14°C |
| Dec | 9°C | 4°C | 67 mm | 88% | -12°C |
Data: Open-Meteo historical weather, 2020–2024 averages (ERA5); Hong Kong comparison uses HKO 1991–2020 normals.
London weather month by month: what to wear
London in OctoberBest monthThis month
October in London is mild and cool: average highs of 16°C and lows of 9°C, around 107 mm of rain (some rain) and 84% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
London in November
November in London is chilly: average highs of 11°C and lows of 6°C, around 71 mm of rain (mostly dry) and 86% humidity — about 14°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker.
London in December
December in London is cold: average highs of 9°C and lows of 4°C, around 67 mm of rain (mostly dry) and 88% humidity — about 12°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf.
London in January
January in London is cold: average highs of 8°C and lows of 2°C, around 64 mm of rain (mostly dry) and 87% humidity — about 12°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf.
London in February
February in London is chilly: average highs of 10°C and lows of 4°C, around 64 mm of rain (mostly dry) and 82% humidity — about 11°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker.
London in March
March in London is chilly: average highs of 11°C and lows of 4°C, around 61 mm of rain (mostly dry) and 79% humidity — about 12°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker.
London in AprilBest month
April in London is chilly: average highs of 14°C and lows of 5°C, around 41 mm of rain (mostly dry) and 72% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
London in MayBest month
May in London is mild and cool: average highs of 18°C and lows of 8°C, around 58 mm of rain (mostly dry) and 73% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
London in JuneBest month
June in London is pleasantly warm: average highs of 21°C and lows of 12°C, around 61 mm of rain (mostly dry) and 71% humidity — about 12°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
London in JulyBest month
July in London is pleasantly warm: average highs of 23°C and lows of 14°C, around 65 mm of rain (mostly dry) and 71% humidity — about 11°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
London in AugustBest month
August in London is pleasantly warm: average highs of 23°C and lows of 14°C, around 49 mm of rain (mostly dry) and 73% humidity — about 11°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
London in SeptemberBest month
September in London is mild and cool: average highs of 21°C and lows of 12°C, around 70 mm of rain (mostly dry) and 78% humidity — about 12°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
FAQ
›What is the best time to visit London?
On temperature and rainfall, the most comfortable months in London are Apr, May, Jun, Jul, Aug, Sep and Oct. The hottest month is August (average high 23°C) and the coldest is January (average low 2°C).
›What's the weather like in London in October, and what should I wear?
October in London is mild and cool: average highs of 16°C and lows of 9°C, around 107 mm of rain (some rain) and 84% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Long sleeves with a light jacket or sweater.
›What's the weather like in London in November, and what should I wear?
November in London is chilly: average highs of 11°C and lows of 6°C, around 71 mm of rain (mostly dry) and 86% humidity — about 14°C colder than Hong Kong. What to wear: A sweater plus a coat or windbreaker.
›When is the rainy season in London?
London is wettest in October, with about 107 mm on average, and driest in April, with about 41 mm.
›How cold does London get? Does it snow?
The coldest month is January, averaging 8°C by day and 2°C at night. Early mornings get close to freezing; snow is occasional.
Planning a trip to London?
More United Kingdom weather
Popular destinations in October
Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: August; coldest: January.