Best time to visit United Kingdom

United Kingdom is represented here by London (51.5°, -0.1°). The NASA POWER daily series for 2001–2020 gives that city a mild oceanic climate, 709 mm of rain a year, and a 13.3°C swing between the coolest and warmest monthly averages.

Every city we list in United Kingdom falls in a mild oceanic climate.

Climate in London

London is hottest in July (average 17.5°C) and coolest in January (4.2°C). Rain is spread through the year, peaking in October at 74 mm.

Open the London page for the month-by-month table, the temperature–rainfall chart, and the scoring notes.

Best months by region

London: typical hottest-month average 17.5°C and about 709 mm of rain a year. Best-scoring months — London (July, August, and September).

London in United Kingdom

London sits at 51.51°, -0.13°. It is a mild oceanic climate. July is the warmest month at 17.5°C (high 22.5°C); January is the coolest at 4.2°C (low 1.6°C). The gap between those monthly averages is 13.3°C.

Rainfall totals 709 mm, heaviest in October (74 mm) and lightest in April (42 mm). The three highest-scoring months for a visit are July, August, and September. That ranking uses the same 22°C / low-rain / 60% humidity score as the city pages. Population in the GeoNames record is 8,961,989. The wettest month is October (74 mm, 14 days with at least 1 mm); the driest is April (42 mm).