Best Time to Visit Cornwall: Month-by-Month Guide

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

  • Best months for Cornwall: August, September, June, July.
  • Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: September. Good weather without the busiest period.
  • Wettest months: July, May, June.
  • The least pleasant month is December (score 3.4).

Year at a glance

-3° -12° J -2° -11° F 4° -6° M 12° 2° A 20° 9° M 24° 13° J 26° 16° J 25° 16° A 21° 11° S 14° 5° O 7° -1° N 0° -7° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -3°C-12°C73 mm 12– – 3.5
February -2°C-11°C62 mm 10– – 3.7
March 4°C-6°C76 mm 11– – 4.2
April 12°C2°C101 mm 12– – 5.7
May 20°C9°C98 mm 13– – 6.9
June 24°C13°C105 mm 12– – 7.3
July 26°C16°C100 mm 13– – 7.3
August 25°C16°C94 mm 12– – 7.5
September 21°C11°C92 mm 11– – 7.5
October 14°C5°C104 mm 12– – 6.0
November 7°C-1°C84 mm 12– – 4.8
December 0°C-7°C83 mm 12– – 3.4

Frequently asked questions

When is the best time to visit Cornwall?

The best months are August, September, June, July.

When is the rainy season in Cornwall?

The wettest months are July, May, June.