Weather & climate · London

Best Time to Visit United Kingdom

July to August

The best time to visit the United Kingdom is July to August, when daytime highs in London are around 22–23°C. June and September are also a good time to go. July is the warmest month (23°C by day), February the coldest (1°C at night), and November the wettest with about 74 mm of rain.

23°C

Warmest: July

1°C

Coldest nights: February

710 mm

Rain per year

74 mm

Wettest: November

United Kingdom weather by month

Jan7°C2°C65 mm
Feb7°C1°C54 mm
Mar10°C2°C50 mm
Apr14°C4°C42 mm
May17°C7°C55 mm
Jun20°C11°C56 mm
Jul23°C13°C60 mm
Aug22°C12°C66 mm
Sep20°C10°C44 mm
Oct15°C8°C73 mm
Nov10°C4°C74 mm
Dec7°C2°C71 mm

Best time Good Less ideal

Average high Average low Rain (mm per month)

Month	High	Low	Rain	Humidity	Cloud cover	Verdict
January	7°C	2°C	65 mm	93%	75%	Cold
February	7°C	1°C	54 mm	90%	75%	Cold
March	10°C	2°C	50 mm	86%	73%	Fair
April	14°C	4°C	42 mm	81%	68%	Fair
May	17°C	7°C	55 mm	79%	71%	Fair
June	20°C	11°C	56 mm	78%	72%	Good
July	23°C	13°C	60 mm	76%	69%	Best time
August	22°C	12°C	66 mm	78%	72%	Best time
September	20°C	10°C	44 mm	81%	68%	Good
October	15°C	8°C	73 mm	87%	73%	Fair
November	10°C	4°C	74 mm	92%	75%	Fair
December	7°C	2°C	71 mm	94%	76%	Cold

Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around London (51.5, -0.08). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in the United Kingdom have their own climate.

Frequently asked questions

When is the best time to visit the United Kingdom?

July to August. The best time to visit the United Kingdom is July to August, when daytime highs in London are around 22–23°C. June and September are also a good time to go. July is the warmest month (23°C by day), February the coldest (1°C at night), and November the wettest with about 74 mm of rain.

What is the hottest month in the United Kingdom?

July, with average highs of 23°C in London.

What is the coldest month in the United Kingdom?

February, when nights drop to about 1°C and days reach 7°C.

What is the rainiest month in the United Kingdom?

November with about 74 mm; April is the driest (42 mm).

When should I avoid visiting the United Kingdom?

December is the least comfortable month on average: 7°C by day and 71 mm of rain.

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