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SunnyDays

ERA5 almanac comparison — 8 years of real data

London vs Paris: weather in August

Paris edges out London for sun in August: 38% clear historically versus 28% (8-year ERA5 average, a 10-point gap). Both are viable — Paris is the safer bet.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific August. For this week’s actual forecast, each destination links to its live page below.

London

GB

Clear days, August
28%
Sample size
n=248 days
Avg high
73°F
Early August (1st–15th)
38%
Late August (16th–end)
19%

Paris

FR

Clear days, August
38%
Sample size
n=248 days
Avg high
78°F
Early August (1st–15th)
46%
Late August (16th–end)
30%

Compare London vs Paris in another month

All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.