Best Time to Visit United Kingdom
June to August for warmest weather and longest days; May and September as a less crowded, still-pleasant alternative
Quick Answer
Best Overall
June to August for warmest weather and longest days; May and September as a less crowded, still-pleasant alternative
Peak Season
July–August (warmest and relatively driest, school summer holidays)
Shoulder Season
April–May, September–October
Cheapest Period
November to February, excluding the Christmas and New Year period
Weather Varies By Region
United Kingdom is large enough that no single "best time" applies everywhere. Here's how the timing changes region by region.
London & southern/central England
May–SepThe mildest and driest stretch of the year, though even summer sees regular rain — London averages 45-55mm per month year-round.
Scotland (Highlands, Edinburgh)
Jun (sunniest)Notably cooler and wetter than the south — western Scotland receives up to 1,500mm of rain a year versus London's roughly 615mm; June is typically the sunniest month before July-August bring more rain and less sunshine.
Lake District & mountainous areas
May–SepSignificantly cooler than London at altitude — a comparable upland site sees July highs of just 15°C versus London's 24°C — and prone to sudden weather changes in any season.
Month-by-Month Weather
Catalog Data· Climate normals, see sources below(Verified taxonomy records from the TravelGuidesFinder destination catalog.)Average high/low temperatures and rainfall for London (used here as a representative reference point — see regional notes above for other areas).
| Month | High | Low | Rainfall | Season |
|---|---|---|---|---|
| January | 8°C / 47°F | 3°C / 37°F | 60mm | Low |
| February | 9°C / 48°F | 3°C / 37°F | 45mm | Low |
| March | 12°C / 53°F | 4°C / 40°F | 40mm | Low |
| April | 15°C / 59°F | 6°C / 43°F | 40mm | Shoulder |
| May | 19°C / 65°F | 9°C / 48°F | 45mm | Shoulder |
| June | 22°C / 71°F | 12°C / 54°F | 45mm | Peak |
| July | 24°C / 75°F | 14°C / 58°F | 45mm | Peak |
| August | 23°C / 74°F | 14°C / 57°F | 55mm | Peak |
| September | 20°C / 68°F | 12°C / 53°F | 50mm | Shoulder |
| October | 16°C / 60°F | 9°C / 48°F | 65mm | Shoulder |
| November | 11°C / 53°F | 5°C / 42°F | 65mm | Low |
| December | 9°C / 48°F | 3°C / 38°F | 55mm | Shoulder |
Season-by-Season Guide
Summer (Jun–Aug)
The warmest and relatively driest stretch of the year (21-24°C highs in London), though rain remains possible in any month
Good For
Shoulder (Apr–May, Sep–Oct)
Mild and often clear, generally lower rainfall than midsummer or late autumn
Good For
Winter (Nov–Mar)
Cold and grey with the wettest stretch of the year in the south (October-November rainfall peaks around 65mm), snow common in Scotland and upland areas
Good For
Best Time to Visit For...
London sightseeing
May–SeptemberThe mildest, driest stretch of the year, though London sees rain in every month.
Edinburgh Festival Fringe
AugustThe world's largest arts festival transforms the city for most of the month.
Scottish Highlands road trip
May–September, driest around JuneWestern Scotland is markedly wetter than the south — June is typically the sunniest month before rain increases in July-August.
Lake District hiking
May–SeptemberSignificantly cooler than London at altitude and prone to sudden weather changes in any season — pack for rain even in summer.
Christmas markets
Late November–DecemberLondon, Edinburgh and York all run well-established festive markets through most of December.
Cheapest Time to Visit
November through February (outside the Christmas and New Year period) brings the lowest flight and hotel prices nationwide — London's museums and indoor attractions remain fully open, making this workable for a budget-focused city trip.
Busiest Time to Visit
July-August is the busiest and most expensive window, coinciding with UK and European school summer holidays and the Edinburgh Festival Fringe in August specifically — book Edinburgh accommodation for August many months ahead.
Weather vs. Price Trade-off
May and September consistently offer close to summer-level comfort at meaningfully lower prices and thinner crowds than the June-August peak.
How to Get There
London Heathrow (LHR) and Gatwick (LGW) are the principal international gateways; Edinburgh (EDI) serves Scotland directly, and the Lake District is most easily reached by train to Windermere or by car via the M6.
How Long to Stay
4-5 days for London alone; 10-12 days to combine London, the Lake District and Scotland.
Sample Itineraries
What to Pack, By Season
Frequently Asked Questions
What is the best time to visit the UK?
June to August for the warmest, relatively driest weather and longest days; May and September are a less crowded, still-pleasant alternative, given rain is possible in the UK in any month.
Is Scotland much colder and wetter than London?
Yes — western Scotland receives up to roughly 1,500mm of rain a year versus London's around 615mm, and Highland temperatures run noticeably cooler; June is typically Scotland's sunniest month.
Is it worth visiting London in winter?
Yes for a cheaper, festive city break — December brings Christmas markets and lights, and prices outside the holiday period itself (November, January, February) are the lowest of the year, though days are short and often grey.
Last verified: 2026-09-19 · Climate figures are 30-year averages and will not match any single trip exactly.