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Best Time to Visit United Kingdom
Climate based on London • 2015–2024
The best overall weather in United Kingdom is in July, with average highs around 23°C. The single best 14-day window: Jul 13 - Jul 26. The hottest month is July (23°C highs) and the coolest is January (8°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
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5
10
15
20
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30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Jul 13 - Jul 26
14-day window • Avg 19°C • Comfortable
Alternative 1
Aug 1 - Aug 14
14-day window • Avg 19°C • Comfortable
Alternative 2
Aug 15 - Aug 28
14-day window • Avg 18°C • Comfortable
Month-by-month breakdown
January
Cold5°Cavg
- 8°C / 2°C
- 61mm total
- 4.3h sun/day
February
Cold6°Cavg
- 9°C / 3°C
- 52mm total
- 5.2h sun/day
March
Cold7°Cavg
- 11°C / 4°C
- 59mm total
- 6.4h sun/day
April
Fresh9°Cavg
- 14°C / 5°C
- 39mm total
- 9.5h sun/day
May
Fresh13°Cavg
- 17°C / 8°C
- 57mm total
- 10.7h sun/day
June
Comfortable16°Cavg
- 21°C / 12°C
- 62mm total
- 11.3h sun/day
July
Comfortable18°Cavg
- 23°C / 14°C
- 60mm total
- 11.2h sun/day
August
Comfortable18°Cavg
- 22°C / 14°C
- 57mm total
- 10.1h sun/day
September
Comfortable16°Cavg
- 20°C / 12°C
- 62mm total
- 8.4h sun/day
October
Fresh12°Cavg
- 16°C / 9°C
- 78mm total
- 6.3h sun/day
November
Cold8°Cavg
- 11°C / 5°C
- 67mm total
- 4.5h sun/day
December
Cold7°Cavg
- 9°C / 4°C
- 66mm total
- 3.4h sun/day
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