🇬🇧 London vs Santorini 🇬🇷

London, United Kingdom vs Santorini, Greece — a side-by-side climate comparison to help you pick. Santorini is the warmer of the two — about 5 degrees warmer on average across the year. Santorini is drier, with roughly 65 fewer rainy days a year.

Climate at a glance

🇬🇧 London🇬🇷 Santorini
Avg annual high16°C21°C
Hottest monthJuly (24°C)July (28°C)
Coldest monthJanuary (3°C low)January (9°C low)
Rainy days / year11146
SnowYesRare
Best months to visitJune, July, AugustMay, September, October

🇬🇧 London

Best around June, July, August. Hottest in July (24°C), coldest lows in January (3°C).

🇬🇷 Santorini

Best around May, September, October. Hottest in July (28°C), coldest lows in January (9°C).

Frequently asked questions

Is London or Santorini warmer?

Santorini is warmer overall, averaging about 5 degrees higher across the year.

Which is rainier, London or Santorini?

London is rainier — Santorini sees about 65 fewer rainy days per year.

When is the best time to visit London vs Santorini?

London is best around June, July, August; Santorini is best around May, September, October.

Not sure? Find your ideal destination by climate →