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Nagasaki
Nagasaki, JP
7:54 am, Dec 5, 2025
temperature icon 9°C
broken clouds
Humidity: 76 %
Pressure: 1025 mb
Wind: 19 mph
Wind Gust: 0 mph
Clouds: 75%
Visibility: 6 mi
Sunrise: 7:08 am
Sunset: 5:14 pm
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9°/9°°C 0.89 mm 89% 17 mph 76% 1026 mb 0 mm/h
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9°/9°°C 0 mm 0% 14 mph 67% 1026 mb 0 mm/h
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🌤 Nagasaki Prefecture Weather

Nagasaki Prefecture, located in the northwestern part of Kyushu, is famous for its international history, coastal scenery, and cultural landmarks such as Glover Garden and Dejima. The prefecture experiences a humid subtropical climate, with mild winters and hot, humid summers. Its weather is influenced by the East China Sea, making it prone to seasonal rains and occasional typhoons. This report provides a detailed month-by-month overview of Nagasaki’s weather, helping residents and travelers prepare for seasonal changes. For daily updates, reliable resources include Japan Weather and BBC Weather.

Understanding Nagasaki’s weather patterns is essential for planning activities such as visiting historic sites, exploring coastal towns, or enjoying seasonal festivals. Each month brings unique conditions, from cool winters to humid summers. This report outlines the lowest and highest temperatures, common weather types, and clothing recommendations for each season, ensuring comfort and safety throughout the year.

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📅 Monthly Weather Overview: Winter to Early Spring

❄ January

January in Nagasaki is cool, with temperatures ranging from 2°C to 9°C. Snowfall is rare in coastal areas but may occur in mountainous regions. Winds are moderate, and the air is crisp. Thick coats, scarves, and gloves are recommended for comfort. For precise forecasts, consult Japan Weather or BBC Weather.

🌨 February

February remains chilly, with temperatures between 3°C and 11°C. Snow is uncommon in central Nagasaki but can occur in higher elevations. Cold winds and occasional rain showers are typical. Heavy coats, layered clothing, and waterproof footwear are advisable, especially for those visiting rural or mountainous areas.

🌱 March

March marks the beginning of spring, with temperatures ranging from 6°C to 14°C. Rainfall increases, and breezy days are common, especially near the East China Sea. Cherry blossoms begin to bloom toward the end of the month, attracting visitors to parks and temples. A combination of light jackets and layered clothing is recommended, along with waterproof shoes for rainy days.

🌸 Monthly Weather Overview: Spring

🌷 April

April in Nagasaki brings mild spring weather, with temperatures ranging from 9°C to 18°C. Rainfall increases, and breezy days are common, especially along the East China Sea. Cherry blossoms bloom across the prefecture, making it a popular time for sightseeing. A light jacket, layered clothing, and waterproof shoes are recommended. For daily updates, check Japan Weather or BBC Weather.

🌼 May

May is warm and pleasant, with temperatures between 13°C and 23°C. Rain showers occur frequently, and winds can be brisk, but overall conditions are comfortable. Flowers and greenery flourish, making outdoor activities enjoyable. Light sweaters, breathable fabrics, and rain gear are advisable for this month.

☔ June

June marks the start of the rainy season, with temperatures ranging from 17°C to 26°C. Humidity rises, and rainfall is frequent, especially in Nagasaki City and surrounding areas where damp conditions linger. Light clothing, umbrellas, and waterproof footwear are essential. Despite the rain, the lush landscapes and gardens are vibrant and beautiful.

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🌞 Monthly Weather Overview: Summer to Early Autumn

🏖 July

July is hot and humid, with temperatures between 22°C and 30°C. Rain showers continue, but sunny days dominate, making it ideal for festivals and outdoor events such as fireworks displays along the coast. Lightweight clothing, hats, and sunscreen are essential to stay comfortable in the heat.

🌻 August

August is the hottest month in Nagasaki, with temperatures ranging from 24°C to 32°C. Humidity is high, and occasional thunderstorms occur. Breathable fabrics, sun protection, and plenty of hydration are recommended. It is a popular month for exploring Nagasaki’s summer festivals and enjoying seaside activities, so sturdy footwear is also useful.

🍂 September

September signals the transition to autumn, with temperatures cooling to between 19°C and 27°C. Rainfall is moderate, and winds increase, especially in coastal and mountainous areas. Autumn foliage begins to appear toward the end of the month. A light jacket or sweater is advisable, along with rain gear for sudden showers.

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🍁 Monthly Weather Overview: Autumn to Winter

🎃 October

October in Nagasaki is cool and refreshing, with temperatures ranging from 12°C to 20°C. Rainfall decreases, and the air becomes crisp, while autumn foliage begins to appear in temple gardens and mountain trails. Winds are moderate, and evenings can feel chilly. A medium-weight jacket, layered clothing, and comfortable shoes are ideal for enjoying the outdoors. For detailed updates, consult Japan Weather or BBC Weather.

🍂 November

November signals the onset of winter, with temperatures dropping to between 7°C and 15°C. Snow begins to fall in northern Nagasaki’s mountains, while coastal towns remain cool and breezy. The weather is unpredictable, alternating between chilly sunshine and sudden showers. Warm coats, scarves, and gloves are recommended, along with waterproof footwear.

❄ December

December is firmly winter, with temperatures ranging from 3°C to 11°C. Snowfall blankets the mountainous areas, while coastal regions remain cold and windy. Winds can be strong, especially near open plains and coastal zones. Thick winter coats, insulated boots, and thermal layers are essential for staying warm. Festive lights brighten Nagasaki’s towns, making outdoor strolls enjoyable despite the chill.

🌤 Nagasaki Prefecture Weather Report

⭐ 10 Famous People

  • Thomas Glover
  • Takashi Nagai
  • Ken Watanabe
  • Masaharu Fukuyama
  • Ayaka Hirahara
  • Koji Yakusho
  • Shunji Iwai
  • Hiroshi Fujiwara
  • Ryo Ishikawa
  • Sen no Rikyū

📘 20 Facts

  • Nagasaki Prefecture is located in northwestern Kyushu.
  • It faces the East China Sea.
  • Nagasaki City is the capital.
  • It is famous for its international history and Dejima trading port.
  • It has a humid subtropical climate.
  • Summers are hot and humid.
  • Winters are mild compared to northern Japan.
  • It has a rainy season in June and July.
  • Autumn foliage is spectacular in temple gardens.
  • Fishing is a major industry.
  • It produces citrus fruits like biwa and mikan.
  • Tourism is a major economic driver.
  • It hosts cultural festivals year-round.
  • It has national parks and reserves.
  • It is known for Glover Garden.
  • It produces sake and traditional crafts.
  • It is home to Nagasaki Peace Park.
  • It has scenic coastal landscapes and mountains.
  • It is famous for its Christian heritage sites.
  • It has strong ties to international trade and culture.

😂 20 Funny Facts

  • Locals joke that champon noodles are their “fifth season.”
  • Festival floats are decorated with giant bowls of noodles.
  • Some ramen shops serve citrus-flavored broth.
  • Tourists race to spot Glover statues in Nagasaki City.
  • Green tea ice cream is sold everywhere.
  • Locals joke that summer lasts only two months.
  • Some vending machines sell hot miso soup.
  • Festival parades include giant lantern balloons.
  • Snowmen in Nagasaki often wear straw hats.
  • Tourists often wear yukata in shopping malls.
  • Locals joke that shoveling rainwater is a sport.
  • Some houses have noodle-themed decorations year-round.
  • Residents joke that Nagasaki Peace Park watches them more than they watch it.
  • Festival floats are decorated with giant teapots.
  • Locals say “champon is our fifth season.”
  • Tourists often mistake citrus orchards for parks.
  • Some ramen shops serve crab toppings.
  • Festival mascots dance like sumo wrestlers.
  • Locals joke that Nagasaki dialect is stronger than coffee.
  • Tourists race to spot ferries along the East China Sea.

📝 Summary

The Nagasaki Prefecture Weather Report highlights the region’s humid subtropical climate, from mild winters to humid summers along the East China Sea. Each month brings unique conditions, with temperatures, rainfall, and winds shaping daily life. Clothing recommendations vary from heavy coats in winter for mountain areas to breathable fabrics in summer along the coast. Beyond weather, Nagasaki is rich in culture, history, and humor, offering fascinating facts and quirky traditions. With resources like Japan Weather and BBC Weather, travelers and residents can stay informed and prepared for the prefecture’s ever-changing climate.

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