London Climate: Weather by Month and Best Time to Visit

Best months for London: September, August, June, July.

Year at a glance

-1° -8° J 0° -8° F 6° -3° M 13° 3° A 19° 9° M 24° 14° J 26° 16° J 25° 16° A 22° 12° S 15° 6° O 8° 1° N 2° -4° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -1°C-8°C72 mm 12– – 3.5
February 0°C-8°C58 mm 10– – 3.8
March 6°C-3°C70 mm 11– – 4.7
April 13°C3°C93 mm 12– – 5.9
May 19°C9°C98 mm 12– – 7.0
June 24°C14°C102 mm 12– – 7.4
July 26°C16°C99 mm 12– – 7.4
August 25°C16°C85 mm 11– – 7.6
September 22°C12°C86 mm 10– – 7.7
October 15°C6°C86 mm 12– – 6.3
November 8°C1°C77 mm 11– – 5.2
December 2°C-4°C69 mm 11– – 3.9