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Best time to visit United Kingdom

The best time to visit the United Kingdom is from May to September, when you'll find the mildest temperatures and longest days. It's the ideal period for everything from city breaks in London and Edinburgh to exploring the great outdoors. Planning your UK holiday during these months gives you the best shot at pleasant weather, but you should always prepare for a chance of rain.

United Kingdom in spring: 5-11°C, a fresh and brightening season

Spring sees the UK come to life as temperatures climb from a cool 5°C to a mild 11°C. It’s a beautiful time to visit, with flowers blooming in parks and gardens across the country. April is the driest month of the year, and also the sunniest, making it a great choice for sightseeing before the summer crowds arrive.

United Kingdom in summer: 11-17°C, the warmest time for exploring

Summer brings the warmest weather, with average temperatures ranging from 11°C to 17°C, and highs reaching 18°C in July. It’s the peak season for a reason, offering the best conditions for enjoying the UK's beaches, national parks, and outdoor festivals. While it’s the most popular time to visit, be prepared for some summer showers, as it's also a surprisingly rainy period.

United Kingdom in autumn: 8-13°C, crisp and colourful

Autumn is a season of striking colours and crisp air, with temperatures cooling to between 8°C and 13°C. September often holds onto summer's mildness with lower rainfall, but as the season progresses into October and November, days become shorter, cooler, and wetter. It's a wonderful time for cosy pub lunches after a walk through golden woodlands.

United Kingdom in winter: 3-7°C, cool and cosy

Winter is the coldest season, with temperatures averaging between 3°C and 7°C. Days are short and sunshine is limited, but cities sparkle with festive lights in the run-up to Christmas. January is the coolest month, while December is the wettest, so pack warm layers and a waterproof jacket. It’s a quieter time for travel, perfect for enjoying museums, galleries, and indoor attractions.

Average weather in United Kingdom by month

The weather in the United Kingdom is famously changeable, with the warmest month being July and the coolest being January. The wettest weather typically arrives in December, so an umbrella is a good idea year-round. These figures are an average across the country – the climate is generally milder in the Channel Islands and cooler in Scotland.

MonthTemp (C)Rainfall (mm/month)Sunshine (avg hrs/day)
January3-6°C89mm2.6
February3-7°C79mm2.5
March3-9°C69mm3.1
April5-11°C54mm3.9
May8-14°C66mm3.6
June10-16°C74mm3.4
July12-18°C81mm3.4
August12-18°C88mm3.2
September10-16°C69mm3.5
October9-13°C107mm2.7
November6-10°C107mm2.5
December4-7°C112mm2.6

Best time to visit United Kingdom for sightseeing and city breaks

For sightseeing in cities like London, Edinburgh, or Belfast, the best times are late spring and early autumn. Months like May, June, and September offer a great balance of mild temperatures, reasonable sunshine, and fewer crowds than the peak summer months of July and August. With average highs between 14°C and 16°C, the weather is ideal for walking tours and exploring historic streets.

Best time to visit United Kingdom for hiking and outdoor activities

If you're planning to explore the UK's impressive national parks and coastlines, the summer months of June, July, and August are your best bet. This period offers the warmest temperatures, with highs averaging 16-18°C, and the longest daylight hours for making the most of your time outdoors. Just be sure to pack a waterproof layer, as summer showers are always a possibility.

Best time to visit United Kingdom for coastal scenery and festivals

To enjoy the UK's beautiful coastline and vibrant local festivals, aim for late spring and early summer. April is the driest and sunniest month, while May and June offer pleasant temperatures before the main school holidays begin. This is a fantastic time to visit coastal regions from Cornwall to the Scottish Highlands, with many towns and villages hosting unique cultural events.

Destinations with similar weather to United Kingdom

Netherlands

The Netherlands shares a similar temperate maritime climate, with comparable winter highs around 7°C and significant annual rainfall.

Germany

Germany has a similar seasonal pattern of cool winters and mild summers, though its summers are generally a little warmer and sunnier.

Denmark

With its cool winters and mild summers, Denmark's climate is very much like the UK's, particularly in terms of temperature ranges.

France

While northern France has some similarities, the country as a whole is typically warmer and sunnier than the UK, especially in summer where highs average 26°C.