Year-round weather and climate in Kokubunji, Japan

Average temperatures in Kokubunji run from an average low of 0°C32°F in January up to an average high of 33°C91°F in August. January is the driest month at 4 rainy days; August the wettest at 17 rainy days. Here is the annual climate data, so you know what you are packing for.

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Good to know

Population
129K
Currency
JPY
Language
Japanese
Time zone
Tokyo

Best time to visit

The most pleasant weather falls in September, October, and November, offering a perfect balance of comfortable temperatures and clear skies.

Rain character

Tropical Downpours: Expect intense bursts of rain during wetter months. Pack quick-drying footwear and a compact umbrella.

Day-to-night swing

Evening Chill: Temperatures drop by a noticeable <span class="val-c">10°C</span><span class="val-f">18°F</span> when the sun goes down. A light sweater or jacket is usually all you need for evening plans.

Seasonality Profile

True Four Seasons: Dramatic contrasts. Freezing winters, transitional shoulders, and blazing summers.

Evening vibe

Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.

Sightseeing stamina

Summer Heat Fatigue: Midday heat in July and August is intense. Pack high-SPF sunscreen and a wide-brimmed hat.

Average temperatures, sunshine, and rainfall

Average monthly weather in Kokubunji, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.

Bars span the average daily low to high. Jan is typically driest at 4 rainy days (36mm); Aug the wettest at 17 rainy days (161mm).

Average monthly weather in Kokubunji, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
MonthAverage highAverage lowDaily sunshineRainy daysTotal rainfall
Jan10°C / 49°F0°C / 31°F8h436mm
Feb11°C / 51°F1°C / 34°F8h649mm
Mar15°C / 58°F4°C / 40°F8h13167mm
Apr20°C / 68°F10°C / 50°F8h12121mm
May22°C / 72°F13°C / 56°F8h14222mm
Jun27°C / 80°F19°C / 65°F8h15254mm
Jul32°C / 90°F24°C / 74°F10h1389mm
Aug33°C / 91°F25°C / 77°F11h17161mm
Sep30°C / 85°F22°C / 72°F9h13195mm
Oct22°C / 72°F14°C / 58°F7h11144mm
Nov17°C / 62°F8°C / 46°F7h666mm
Dec12°C / 53°F2°C / 36°F8h530mm

Weather data by Open-Meteo.com (opens in a new tab)

Frequently Asked Questions

When is the sunniest time of year to visit Kokubunji?

August is the sunniest month in Kokubunji, averaging 11 hours of sunshine a day. Pack sunglasses and high-SPF sunscreen.

What clothes should I pack for Kokubunji?

Your packing list depends entirely on when you travel. Temperatures in Kokubunji swing from an average low of 0°C32°F in January up to 33°C91°F in August. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.

Do I need to pack an umbrella for Kokubunji?

Kokubunji gets rain on about 129 days a year, with August being the wettest. If you're traveling then, pack an umbrella and a light rain jacket.

Going to Kokubunji?

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Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Kokubunji with Packola.

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