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Monthly climate guide

Osaka weather in January

With highs near 7°C (44°F) and lows around -1°C (31°F), January feels cold in Osaka. Rainfall averages about 59 mm (some rain) and the sky is often cloudy. Daytime highs are 3°C cooler than December and about the same as February.

What stands out in January

  • Mornings start cold: the average low is -1°C, and frost is common.
  • Osaka is usually about 2°C cooler than Kobe, 30 km away, in January.
  • January brings mid-winter to Osaka.
  • It's one of the drier months, with about 61% less rain than Osaka's average.

January is typically Osaka's coolest month.It's usually the driest month of the year.

Avg high

7°C

44°F

Avg low

-1°C

31°F

Rainfall

59 mm

some rain

Humidity

83%

relative

Sky

66%

cloud · often cloudy

Osaka weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Osaka
MonthAvg highAvg lowRainHumidityCloud cover
January7°C / 44°F-1°C / 31°F59 mm83%66%
February8°C / 47°F0°C / 31°F75 mm81%67%
March12°C / 54°F2°C / 36°F108 mm79%61%
April18°C / 64°F7°C / 44°F147 mm78%61%
May23°C / 73°F12°C / 54°F142 mm78%63%
June25°C / 78°F17°C / 62°F237 mm83%79%
July29°C / 84°F22°C / 71°F243 mm85%74%
August30°C / 87°F23°C / 73°F190 mm83%62%
September27°C / 80°F19°C / 65°F265 mm84%69%
October21°C / 70°F12°C / 54°F208 mm84%61%
November16°C / 60°F7°C / 44°F84 mm83%58%
December9°C / 49°F1°C / 34°F72 mm83%65%

What to pack for January

  • A proper insulated winter coat
  • A hat, scarf and gloves
  • Thermal base layers and warm, grippy boots for icy mornings
  • A small travel umbrella, just in case
Full season-by-season packing guide →

Is January a good time to visit Osaka?

Our Osaka guide recommends: March to May or October to November, avoiding the hot, humid summer.

Osaka is widely considered Japan's best city for street food — look for takoyaki and okonomiyaki at casual stalls in Dotonbori.

Best time to visit Osaka →

Other Japan cities in January

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Osaka weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/japan/osaka/january
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Osaka in January: quick answers

Is January a good time to visit Osaka?

January is cool in Osaka, with highs around 7°C. Better for museums and city walks than the beach, and usually quieter.

How warm is Osaka in January?

Average highs are about 7°C (44°F) and average lows about -1°C (31°F), based on 10 years of daily data.

Does it rain a lot in Osaka in January?

Osaka typically gets around 59 mm of rain in January — some rain. It's usually the driest month of the year.

When is the best time to visit Osaka?

March to May or October to November, avoiding the hot, humid summer.

Figures are long-term averages for the area around Osaka (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.