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Japan Weather

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Live forecasts update automatically; written guidance last reviewed 14 June 2026 by the StoryShift weather desk. Data from national met services via Open-Meteo.

🌤️19°C
Mainly clearTokyoFeels like 20° · Wind 6 km/h · Humidity 82%
UV 1 LowSunrise 04:24Sunset 18:58
Today🌦️21°17°💧100%
Tue27°16°💧0%
Wed☁️27°18°💧58%
Thu🌦️26°18°💧71%
Fri🌦️27°20°💧29%
Sat🌦️23°18°💧57%
Sun🌧️20°18°💧73%

Live data from Open-Meteo · updates automatically ·

Japan’s weather varies dramatically from the snowy north to the subtropical south. For travellers heading to Tokyo, the live forecast above shows current conditions; the best travel windows are spring (March–May) and autumn (October–November), when temperatures are mild and rainfall is relatively low.

What is the climate like in Japan?

Japan spans a long archipelago, giving it four distinct seasons. Tokyo, Osaka and most major cities experience a humid subtropical climate with hot, humid summers and cool winters. The country’s geography means weather can shift quickly, especially during the rainy season and typhoon period.

Japan weather by month: a season-by-season guide

Spring (March to May) — the most popular time to visit

Spring is widely considered the best time to visit Japan. Temperatures are comfortable, cherry blossoms bloom, and rainfall is moderate. Japan weather April sees Tokyo highs of around 18°C, while weather in japan in may warms to 23°C, making it ideal for sightseeing. Sea temperatures remain cool, around 15–18°C, so swimming is limited.

Summer (June to August) — hot, humid and rainy

Summer is intense across most of Japan. Japan in august is the hottest month, with Tokyo often exceeding 30°C and high humidity. The rainy season (tsuyu) typically runs from early June to mid-July, bringing frequent downpours. Japan weather Osaka follows a similar pattern, though it can feel slightly more humid due to its inland location. Sea temperatures peak at 26–27°C in August, perfect for swimming.

Autumn (September to November) — mild and colourful

Autumn offers crisp air, stunning foliage and fewer crowds. Weather in japan in september remains warm (Tokyo highs around 27°C) but typhoons are possible, especially early in the month. Japan in november is cooler and dry, with Tokyo highs near 16°C — excellent for exploring temples and gardens.

Winter (December to February) — cold and clear

Winters are generally dry and sunny in Tokyo and Osaka, with daytime highs around 10–12°C. Japan weather snow is common in the northern island of Hokkaido and the Japanese Alps, but the Pacific side (including Tokyo) sees very little. Sea temperatures drop to 14–16°C, making swimming impractical.

Best monthsApril, May, October, November
Rainiest monthJune (rainy season)
Hottest monthAugust (Tokyo avg. high 31°C)
Coldest monthJanuary (Tokyo avg. high 10°C)

What to pack for Japan

Packing depends entirely on the season. For spring and autumn, bring layers — a light jacket, long sleeves and comfortable walking shoes. Summer requires lightweight, breathable clothing, an umbrella and sun protection. Winter calls for a warm coat, scarf and gloves, especially if visiting the mountains. A compact rain jacket is useful year-round.

When is the rainy season in Japan?

The rainy season (tsuyu) affects most of Japan from early June to mid-July. During this period, expect overcast skies and frequent, sometimes heavy, rain. It is not the best time for outdoor sightseeing, though indoor attractions and shopping districts remain accessible. The rainy season ends by late July, giving way to the full heat of summer.

When is the best time to visit Japan?

For most travellers, the best months are April and May (spring) and October and November (autumn). These periods offer the most comfortable temperatures, lower humidity and beautiful natural scenery. If you prefer fewer crowds and lower prices, consider late November or early March, though weather can be cooler.

How reliable are long-range forecasts for Japan?

Short-term forecasts (up to 7 days) are generally reliable. For planning, a tokyo weather forecast 14 days gives a useful trend but not precise daily details. A japan weather forecast 30 days can indicate broad seasonal patterns but should not be relied upon for exact temperatures. For the most accurate view, always check the live forecast above before travelling.

Japan weather forecast 14 days and 30 days — what to expect

If you are checking a japan weather forecast 14 days, focus on the general trend (warming or cooling) rather than exact numbers. A japan weather forecast 30 days is best used to understand the season — for example, whether you are entering the rainy season or approaching winter. For day-to-day planning, a 7-day outlook is far more dependable.

How hot is Japan in August?

August is the hottest month. In Tokyo, daytime highs average 31°C with high humidity. Osaka and Kyoto are similarly hot. Sea temperatures reach 26–27°C, making it a good time for coastal resorts. Be prepared for intense heat and occasional typhoons.

Is September a good month to visit Japan?

September is warm but can be unsettled. Early in the month, temperatures remain near 27°C in Tokyo, but typhoon season peaks, bringing heavy rain and strong winds. By late September, conditions improve. It is a quieter travel period but pack for rain.

What is the weather like in Japan in November?

November is one of the best months. Tokyo highs are around 16°C, with cool evenings and very little rain. Autumn foliage is at its peak in many regions. It is ideal for sightseeing, hiking and outdoor activities without the summer crowds.

Does it snow in Tokyo?

Snow in Tokyo is rare. The city typically sees one or two light snowfalls per winter, which rarely settle. For reliable snow, head to Hokkaido or the Japanese Alps. The live conditions above will show any current snow in the region.

For travellers planning a trip, the live forecast above provides the most current conditions. Compare Japan’s climate with other destinations such as Paris Weather or Barcelona Weather if you are considering alternatives. For UK-based readers, our UK weather hub offers local forecasts and weather warnings for the British Isles.