London & Britain Travel Guide: Best Season, Weather, Plugs & Itineraries

Royal landmarks, free museums and world-class theatre — add the Cotswolds, Bath and Edinburgh for the full British experience.

Updated 2026-10-31 United Kingdom

🗓 Best time to goMay–Sep has long days and steadier weather; winters are short and grey — always pack a light jacket and umbrella.
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🔌 Plugs & voltage230V | Type G (three-pin). Adapter needed
🌦 ClimateChangeable weather and rain any time of year — a light jacket and compact umbrella are essential.

Monthly average temperatures in London & Britain

City / monthJanFebMarAprMayJunJulAugSepOctNovDec
London
High / low
8°
3°
9°
3°
11°
4°
14°
6°
18°
9°
21°
12°
23°
14°
23°
14°
20°
12°
15°
9°
11°
6°
8°
4°
Edinburgh
High / low
7°
1°
8°
1°
10°
3°
12°
4°
15°
7°
18°
10°
19°
12°
19°
12°
17°
10°
13°
7°
10°
4°
7°
1°

°C — top is the average high, bottom the average low. Typical values only; check the forecast before you go. See charts in the climate tool.

London & Britain travel tips

London & Britain itineraries

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General travel information — entry rules, e-authorisations, weather and opening details change often, so check official sources.