United Kingdom - When to Visit

When to Visit United Kingdom

Climate guide & best times to travel

Monthly Climate Data for United Kingdom Average temperature and rainfall by month Climate Overview -4°C 3°C 10°C 17°C 24°C Rainfall (mm) 0 58 116 Jan Jan: 7.0°C high, 1.0°C low, 89mm rain Feb Feb: 9.0°C high, 3.0°C low, 51mm rain Mar Mar: 10.0°C high, 3.0°C low, 69mm rain Apr Apr: 13.0°C high, 4.0°C low, 84mm rain May May: 18.0°C high, 9.0°C low, 99mm rain Jun Jun: 19.0°C high, 10.0°C low, 58mm rain Jul Jul: 18.0°C high, 12.0°C low, 117mm rain Aug Aug: 19.0°C high, 12.0°C low, 99mm rain Sep Sep: 17.0°C high, 10.0°C low, 79mm rain Oct Oct: 14.0°C high, 7.0°C low, 97mm rain Nov Nov: 10.0°C high, 4.0°C low, 69mm rain Dec Dec: 8.0°C high, 2.0°C low, 97mm rain Temperature Rainfall
The United Kingdom has what you'd call a classic temperate maritime climate—meaning it's mild, changeable, and honestly a bit unpredictable year-round. You won't see extreme temperatures in either direction, with highs ranging from around 7°C (44°F) in January to a modest 19°C (66°F) in summer months. What really defines the UK weather is the consistency: that 70% humidity sticks around all year, and rain is always a possibility regardless of the month. There's no true dry season here, though February tends to be the lightest at 51mm (2.0 inches), while July actually gets the most rainfall at 117mm (4.6 inches)—which surprises people expecting sunny British summers. The seasons do exist, but they're subtle compared to continental climates. Spring (March-May) sees a gradual warming with temperatures climbing from 10°C to 18°C (50°F to 64°F), while autumn (September-November) reverses that trend. Summer never gets particularly hot—you're looking at highs around 18-19°C (64-66°F)—but the longer daylight hours make it feel more pleasant. Winter is cold and damp rather than freezing, with temperatures hovering between 2-8°C (35-46°F). The key thing to understand about UK weather is that it changes quickly, so you'll want to be prepared for a bit of everything on any given day, particularly during the shoulder seasons.

Best Time to Visit

Beach & Relaxation
Late May through August offers the warmest temperatures (18-19°C/64-66°F) and longest daylight hours, though you'll want to manage expectations—British beaches are more about coastal walks than tropical sunbathing.
Cultural Exploration
April-May and September-October are ideal, with manageable crowds, decent weather, and all attractions fully operational. Spring particularly shines with blooming gardens and reasonable temperatures around 13-18°C (55-64°F).
Adventure & Hiking
May through September gives you the most reliable conditions for hiking, with warmer temperatures and relatively drier paths, though you should still expect rain. The countryside is particularly beautiful in late spring when everything's green.
Budget Travel
November through March (excluding Christmas/New Year) offers the best deals on accommodation and flights, though you'll trade savings for shorter days, colder weather, and that persistent drizzle that defines British winters.

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What to Pack

Year-Round Essentials

Waterproof jacket
Rain happens year-round in the UK, often without warning, so a good waterproof layer is non-negotiable regardless of when you visit.
Umbrella (compact)
The classic British accessory for a reason—showers pop up frequently, and you'll see locals carrying them even on sunny mornings.
Comfortable walking shoes
UK cities are best explored on foot, and you'll be doing a lot of walking on cobblestones, uneven pavements, and possibly muddy paths.
Layers (cardigans, light sweaters)
Temperatures fluctuate throughout the day and between indoor/outdoor spaces, so layering is the key to staying comfortable.
Reusable water bottle
Tap water is safe and tastes fine throughout the UK, and you'll save money while reducing plastic waste.
Small daypack
Essential for carrying your jacket when the sun comes out, plus purchases, water, and the inevitable layers you'll be adding and removing.
Adapter plug (Type G)
UK plugs are unique three-pin types that won't work with most international devices without an adapter.

Spring (Mar-May)

Clothing
Light sweaters or fleeces, Long pants or jeans, Long-sleeve shirts, Light jacket, One warmer layer for evenings
Footwear
Waterproof walking shoes or ankle boots that can handle occasional mud and wet pavements
Accessories
Scarf for chilly mornings, Sunglasses for occasional sunny days, Light gloves for early spring
Layering Tip
Think three-layer system—base, mid-layer, and waterproof outer—since you'll be adding and removing throughout the day as weather changes.

Summer (Jun-Aug)

Clothing
T-shirts and short-sleeve tops, Light pants or shorts, One warm layer for evenings, Light rain jacket, Sundress or casual summer wear
Footwear
Comfortable walking shoes or trainers; sandals are fine for cities but bring closed-toe shoes for countryside
Accessories
Sunglasses, Sun hat for rare hot days, Light scarf for air-conditioned spaces
Layering Tip
Even in summer, evenings cool down and air conditioning can be chilly indoors, so always have a cardigan or light sweater handy.

Autumn (Sep-Nov)

Clothing
Medium-weight sweaters, Long pants or jeans, Long-sleeve shirts, Warm jacket, Thermal base layer for late autumn
Footwear
Waterproof boots or shoes with good grip for wet leaves and muddy paths
Accessories
Warm scarf, Gloves for November, Beanie or warm hat, Sunglasses for low autumn sun
Layering Tip
Autumn weather is unpredictable, so pack versatile pieces that work together—you'll want the option to bundle up or strip down quickly.

Winter (Dec-Feb)

Clothing
Warm sweaters and fleeces, Thermal underlayers, Warm coat or parka, Jeans or warm pants, Wool or thick socks
Footwear
Waterproof insulated boots or shoes that can handle rain, slush, and cold pavement
Accessories
Warm scarf (essential), Gloves or mittens, Warm hat, Thermal socks
Layering Tip
The damp cold penetrates more than dry cold, so focus on windproof and waterproof outer layers combined with warm mid-layers rather than just one heavy coat.
Plug Type
Type G (three rectangular pins)
Voltage
230V, 50Hz
Adapter Note
Yes, essential for all travelers—UK plugs are unique and incompatible with most other countries' devices without an adapter.

Skip These Items

Hair dryer (most accommodations provide them, and UK voltage differs from many countries) Heavy winter coat unless visiting December-February (layering works better for UK's mild but damp climate) Too many 'just in case' outfits (laundry facilities are widely available, and you'll buy things anyway) Beach towels (if your accommodation doesn't provide them, they're easy to buy cheaply) Excessive toiletries (Boots and Superdrug are everywhere, and you can buy anything you forget)

Month-by-Month Guide

January

January is the coldest month, though 'cold' here means chilly and damp rather than freezing. You'll get short daylight hours—sunset around 4pm—and that persistent grey sky that the UK is famous for. It's proper winter weather, but cities like London still function normally, and indoor attractions are pleasantly uncrowded.

7°C (44°F) High
1°C (33°F) Low
89mm (3.5in) Rainfall
Low Crowds
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February

February is actually the driest month of the year, though that's relative—you'll still want your waterproof jacket. Temperatures start creeping up slightly, and you might catch early signs of spring toward the end of the month. It's still off-season, which means good deals and fewer tourists at major sites.

9°C (48°F) High
3°C (37°F) Low
51mm (2.0in) Rainfall
Low Crowds
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March

Spring officially arrives, though the weather hasn't quite gotten the memo yet. You'll see daffodils blooming and days getting noticeably longer, but temperatures remain cool and rain is frequent. It's a transitional month where you might experience four seasons in one day—that classic British weather variability really shows itself.

10°C (50°F) High
3°C (37°F) Low
69mm (2.7in) Rainfall
Medium Crowds
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April

April genuinely feels like spring, with gardens coming alive and temperatures becoming more pleasant for outdoor exploration. That said, 'April showers' is a real thing here—you'll get sudden rain followed by sunshine, so layering is essential. Tourist numbers start picking up, particularly around Easter holidays.

13°C (55°F) High
4°C (39°F) Low
84mm (3.3in) Rainfall
Medium Crowds
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May

May is one of the best months to visit, with warming temperatures, blooming countryside, and relatively manageable crowds before peak summer. The days are long and pleasant, perfect for exploring cities or hiking in national parks. Rainfall increases a bit, but you'll also get stretches of genuinely nice weather.

18°C (64°F) High
9°C (48°F) Low
99mm (3.9in) Rainfall
Medium Crowds
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June

Early summer brings the longest days of the year—sunset can be after 9pm in the south, even later in Scotland. Temperatures are comfortable rather than hot, and interestingly, June has some of the lowest rainfall despite being summer. It's popular with tourists, particularly around school holidays, but the extended daylight hours give you more time to explore.

19°C (66°F) High
10°C (50°F) Low
58mm (2.3in) Rainfall
High Crowds
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July

Peak summer, though don't expect Mediterranean heat—19°C (66°F) is about as warm as it gets. What might surprise you is that July is actually the wettest month of the year, though rain tends to come in showers rather than all-day downpours. School holidays mean attractions are busy, and accommodation prices reflect peak season.

18°C (64°F) High
12°C (53°F) Low
117mm (4.6in) Rainfall
High Crowds
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August

Similar to July with mild temperatures and frequent rainfall, though you might catch the occasional warm spell that feels properly summery. It's the height of tourist season, particularly in London, Edinburgh during Festival time, and coastal areas. Bank Holiday weekend at month's end brings domestic crowds to popular spots.

19°C (66°F) High
12°C (53°F) Low
99mm (3.9in) Rainfall
High Crowds
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September

Early autumn is genuinely lovely—temperatures remain pleasant, crowds thin out after schools return, and you'll often get what locals call an 'Indian summer' with surprisingly nice weather. The countryside takes on golden tones, and it's an excellent time for both city exploration and rural walks.

17°C (62°F) High
10°C (50°F) Low
79mm (3.1in) Rainfall
Medium Crowds
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October

Proper autumn weather sets in, with temperatures dropping and rainfall increasing. The changing leaves make for beautiful scenery, particularly in parks and the countryside, but days get noticeably shorter. It's shoulder season, so you'll find decent deals and fewer crowds, though some seasonal attractions start closing.

14°C (57°F) High
7°C (44°F) Low
97mm (3.8in) Rainfall
Medium Crowds
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November

Winter arrives with grey skies, cold temperatures, and early darkness—sunset can be before 4pm. It's one of the quieter months for tourism, which means good deals if you don't mind the weather. Rain is frequent, and that damp cold penetrates more than you'd expect from the temperature alone.

10°C (50°F) High
4°C (39°F) Low
69mm (2.7in) Rainfall
Low Crowds
View Details →

December

Cold, dark, and damp, but cities come alive with Christmas markets and festive lights that make the weather more bearable. The weeks before Christmas are busy with domestic shoppers and holiday tourists, while the period between Christmas and New Year sees a lull. Days are shortest now, with only about 8 hours of daylight.

8°C (46°F) High
2°C (35°F) Low
97mm (3.8in) Rainfall
Medium Crowds
View Details →

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