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London Weather in June 2025: Temperatures, Packing Tips & Events

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June in London is a fantastic time to experience the city as it transitions into summer. The weather is mild and perfect for outdoor activities, making it one of the best months for sightseeing. Expect a mix of sunshine, warm days, and occasional rain showers, adding to London’s vibrant atmosphere. This article explores what to expect from London weather in June, including temperatures, rainfall, and tips for making the most of your stay.

Read also: Best Time to Visit Cottonwood Lakes California: Seasonal Guide & Weather Tips


Average Temperatures in June

Average Temperatures in June

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London in June experiences relatively warm weather compared to other times of the year. The average high temperature typically reaches 21°C (70°F), while the average low hovers around 13°C (55°F). These mild temperatures make June one of the best times to explore the city. Over the past decade, temperatures have fluctuated, with highs reaching as much as 29°C (84°F) during particularly warm years, as recorded by Weather Atlas.

Here’s a look at the temperature trends over the past decade:

June in London offers mild and comfortable weather, ideal for exploring the city. According to AccuWeather, the average high temperature in June 2025 is around 20°C (68°F), while the average low is close to 11°C (52°F). This mix of warm days and cooler evenings makes it perfect for sightseeing, evening walks, and outdoor dining.

Here’s a look at the average June temperatures over the past decade, reflecting seasonal data and yearly variations:

YearAverage Low (°C)Average High (°C)
201411°C22°C
201512°C24°C
201611°C23°C
201713°C26°C
201814°C28°C
201912°C25°C
202011°C24°C
202112°C25°C
202213°C28°C
202314°C27°C
202412°C29°C
2025 (Forecast)11°C20°C

Climate Insights

  • June usually starts mild, with temperatures warming toward the middle and end of the month.
  • Brief heatwaves can push highs above 25°C, especially during sunny spells.
  • Light layers, a rain jacket, and comfortable shoes are essential for managing London’s variable summer conditions.

What Locals Say About June Weather in London

“Mornings in June are perfect for walking by the Thames with a coffee in hand.” – Sarah, London local

“It might rain, but it usually passes quickly. I always carry a foldable umbrella.” – Tom, East London


How London Compares to Other Cities

CityAverage High (°C/°F)Average Low (°C/°F)
London22°C / 72°F14°C / 57°F
Paris24°C / 75°F13°C / 55°F
Rome28°C / 82°F17°C / 63°F
Berlin23°C / 73°F12°C / 54°F

Compared to other European cities, London is slightly cooler, making it comfortable for sightseeing.


Daytime Temperatures

Daytime Temperatures

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Daytime temperatures in June often rise to comfortable levels, making it ideal for outdoor activities and exploring the city. For comfort, it’s best to dress in light layers, as mornings and evenings can be cooler. The guide on World Weather suggests that these daytime temperatures are perfect for activities like walking tours or visiting parks.


Nighttime Temperatures

Nighttime Temperatures

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Evening temperatures in June can drop slightly, and having a light jacket or sweater on hand can make your evenings more comfortable. This cooler weather at night is ideal for enjoying a relaxing evening stroll or dining outdoors, as suggested by Time and Date.


Rainfall in June

Rainfall in June
Rainfall in June (Image via pinterest.com)

June in London typically sees moderate rainfall, with an average of 45mm spread over 16 days. Although rain is common, it usually doesn’t last long. For more detailed rainfall information, the London Travel Planning guide suggests carrying a small umbrella or raincoat.


Frequency of Rain

Frequency of Rain

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While it rains on several days in June, showers are usually brief and intermittent. This allows plenty of time to explore London’s attractions. Many indoor options like museums and galleries make excellent backups for rainy days, as noted by World Weather.


Sunshine Hours

Sunshine Hours

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London enjoys plenty of daylight in June, with approximately 16.5 hours of light each day. This extended daylight is perfect for sightseeing, allowing you to make the most of your time outdoors. According to Time and Date, the sunniest parts of the day are typically from late morning to early afternoon, making it ideal for outdoor activities like visiting Hyde Park.


Humidity Levels

Humidity Levels

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Humidity during June in London is moderate, averaging around 76%. The balance of not-too-dry and not-too-humid weather makes it comfortable for most travelers. Managing the mild humidity with breathable clothing is recommended, as highlighted in the report from Weather Atlas.


Wind Conditions

Wind Conditions

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Wind speeds in June are generally mild, averaging around 10 km/h (6 mph). The gentle breezes make outdoor activities like Thames river cruises or visits to the London Eye enjoyable. More detailed information on wind conditions can be found in the London Travel Planning guide.


What to Wear in London in June

What to Wear in London in june

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Packing Checklist

  • Light cardigans, t-shirts, and a rain jacket
  • Comfortable walking shoes
  • Small umbrella
  • Sunglasses & sun hat
  • Travel adapter (UK 3-pin)
  • Portable phone charger

Travel Tips for Visiting London in June

  • Use an Oyster Card to save on Tube fares
  • Avoid peak hours: 8–9 AM and 5–6 PM
  • Book West End show tickets in advance
  • Sunscreen is essential for long outdoor hours
  • Many attractions require timed-entry tickets

What’s On in June: Key London Events

DateEventLocation
Early JuneWest End LiveTrafalgar Square
Mid-JuneTrooping the ColourThe Mall
Late JuneTaste of LondonRegent’s Park
All MonthOpen-air theatresAcross London

Popular Activities in June

Popular Activities in June

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June is a lively month in London, filled with various outdoor activities and events. Popular attractions include:

  • Outdoor Events: Summer festivals, outdoor concerts, and open-air theaters are abundant in June. Events like West End Live and the Serpentine Pavilion are must-see attractions, according to World Weather.
  • Parks and Gardens: June is perfect for visiting London’s green spaces, including Kew Gardens, Regent’s Park, and St. James’s Park, which are in full bloom.

Best Day Trips from London

Best Day Trips from London

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  • Windsor Castle: Royal history and scenic riverside town
  • Brighton: Beachside fun just 1 hour away
  • Hampton Court Palace: History and June flower festivals

Budget Travel Tips

Best Day Trips from London

Image source: pinterest.com

  • Visit free museums like the British Museum or Tate Modern
  • Use contactless cards on public transport to avoid extra charges
  • Opt for walking tours or free city guides
  • Eat at food halls like Mercato Metropolitano for affordable local eats

Conclusion

London in June 2025 offers the perfect mix of mild weather, long sunny days, and a vibrant city atmosphere. With average highs around 20°C (68°F) and cooler evenings, it’s an ideal time to explore historic landmarks, enjoy outdoor festivals, or simply relax in the city’s beautiful parks. Whether you’re walking along the Thames, attending world-class events like Trooping the Colour, or enjoying a picnic in Hyde Park, June sets the stage for unforgettable experiences.

To make the most of your trip, plan ahead: pack light layers, carry a small umbrella for those quick summer showers, and take advantage of the extended daylight to explore more of the city. With the right preparation, your visit to London in June will be nothing short of extraordinary — blending comfort, adventure, and the unique charm that only London can offer.

Read more: 15 Best Cheap Places to Travel in Europe in 2025


FAQs

Q: Is June a good time to visit London?
A: Yes, June is an excellent time to visit London due to its mild weather and long daylight hours.

Q: What should I pack for London in June?
A: Pack light layers, a raincoat or umbrella, comfortable walking shoes, and a light jacket for cooler evenings.

Q: How much does it rain in London in June?
A: London receives about 45mm of rain in June, spread over approximately 16 days.

Q: Are there any major events in London in June?
A: Yes, June hosts several outdoor events and festivals, including West End Live and various summer concerts.

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About author
Jack Turner is a seasoned writer and creative thinker with a passion for crafting engaging, insightful, and informative content. With years of experience in writing about diverse topics, Jack excels at transforming complex ideas into simple, relatable narratives. He specializes in lifestyle, home improvement, technology, and business content, providing readers with valuable information that’s easy to understand and apply. When he’s not writing, Jack enjoys exploring new trends, traveling, and spending quality time with his family. Always aiming to connect with his audience, Jack’s work reflects a commitment to delivering meaningful and helpful insights.
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