☀️ SunnyWhen

Best Time to Visit London

United Kingdom · 30-year monthly climate averages

☀️ When to go

Based on 30 years of climate data, the most comfortable months to visit London are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.

Climate profile

London sees its warmest weather in July, when daytime highs average around 24°C, and its coolest in January (around 9°C).

Annual precipitation totals roughly 615mm — October is typically the wettest month (~67mm) and March the driest (~37mm).

Rainfall is spread fairly evenly through the year, so no single season is dramatically wetter than the rest.

Year at a glance

JanFebMarAprMayJunJulAugSepOctNovDec0°12°24°

🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall

🔥 Recent heat vs normal

Daily forecast highs vs the 30-year normal — last 36 days

27/ 36
days ≥2°C above normal
36°C
highest recorded · August 13
+4.3°C
avg anomaly · vs 30-year normal
2026-07-12: +5.2°C2026-07-13: +4.1°C2026-07-14: +6.0°C2026-07-15: +4.8°C2026-07-16: +5.4°C2026-07-17: +5.3°C2026-07-18: +2.5°C2026-07-19: -0.6°C2026-07-20: +1.6°C2026-07-21: +0.8°C2026-07-22: +4.0°C2026-07-23: +2.5°C2026-07-24: +5.0°C2026-07-25: +4.9°C2026-07-26: +1.8°C2026-07-27: +3.7°C2026-07-28: +6.7°C2026-07-29: +9.5°C2026-07-30: +4.4°C2026-07-31: +1.6°C2026-08-01: +2.8°C2026-08-02: +4.0°C2026-08-03: +7.8°C2026-08-04: +5.7°C2026-08-05: +1.7°C2026-08-06: +0.2°C2026-08-07: +2.1°C2026-08-08: +3.8°C2026-08-09: +8.0°C2026-08-10: +2.9°C2026-08-11: +1.7°C2026-08-12: +8.5°C2026-08-13: +12.5°C2026-08-14: +9.9°C2026-08-15: +4.1°C2026-08-16: +0.6°C

Each bar is one day: orange above normal, blue below.

Month by month

MonthHigh / LowRainfallTravel rating
January9° / 4°C58mm🤔 Fair
February9° / 4°C44mm🤔 Fair
March12° / 5°C37mm🤔 Fair
April15° / 7°C43mm👍 Good
May18° / 10°C45mm🌟 Great
June21° / 13°C51mm🌟 Great
July24° / 15°C43mm🌟 Great
August23° / 15°C55mm🌟 Great
September20° / 12°C50mm🌟 Great
October16° / 10°C67mm👍 Good
November12° / 6°C66mm🤔 Fair
December9° / 4°C59mm🤔 Fair

FAQ

What is the best time to visit London?
Based on 30 years of climate data, the most comfortable months to visit London are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
What is the hottest month in London?
July is typically the hottest month in London, with average daytime highs around 24°C.
What is the rainiest month in London?
October is usually the wettest month, with around 67mm of precipitation.