When to go · May

United Kingdom in May

Excellent time to go

Chelsea Flower Show

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Daytime high

17°C

63°F

Overnight low

8°C

46°F

Rainfall

50 mm

moderate

Crowd levels

medium

manageable

Prices

medium

shoulder

What to expect in United Kingdom in May

May brings mild weather to United Kingdom, with daytime highs around 17°C (63°F) and overnight lows near 8°C (46°F). Skies are typically dry with occasional showers, with about 50 mm of rainfall on average. Chelsea Flower Show.

Crowds are manageable in May — busy in popular areas but not overwhelming. Prices sit in the shoulder-season range — not the cheapest, but well off peak. Peak season runs June–August, for context.

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