Get up to €50 off your stay

Osaka weather in January

Osaka in January averages 6°C (44°F), 47 mm of rain and 4.7 hours of sun a day.

Of the twelve months in Osaka, January is the coldest, the driest and the dullest.

Osaka
Average temp
6°C (44°F)

3–10°C · 37–49°F

Rainfall
47 mm

Not much rain

Sunshine
4.7 h

hours per day

Share:
Summarize with:

What is Osaka like in January?

Daytime

Days are cool.

Rain

Rain is usually light.

Evening

Evenings are cooler. A layer helps after sunset.

What should I pack for Osaka in January?

  • A warm mid-layer

    Nights drop to around 3°C (37°F).

January compared with December and February

January in Osaka is 2.4°C cooler than December and about as wet as it, which averages 9°C (48°F).

January in Osaka is about the same temperature as February and 13 mm drier than it, which averages 7°C (44°F).

Daylight in Osaka in January

On 15 January the sun is up for 10 hours 4 minutes in Osaka, rising about 07:05 and setting about 17:09 local time.

January ends 36 minutes longer than it begins, so the last week of the month is a different length of day from the first.

That is 4 hours 24 minutes short of June, the longest-lit month here.

Where to stay in Osaka

Dates are a starting point for January.

All hotels in Osaka

Travel guides for Osaka

What to read before you book.

All travel guides in Osaka

Osaka weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 1 Oct 2026358 places covered

How January compares with the rest of the year

January is highlighted. Every other month links to its own page.

Osaka weather by month: average temperature, rainfall, sunshine for each month, from 1991–2020 climate normals
MonthAverageRainfall
January6°C / 44°F47 mm
February7°C / 44°F61 mm
March10°C / 50°F103 mm
April15°C / 60°F103 mm
May20°C / 69°F136 mm
June24°C / 76°F185 mm
July28°C / 82°F175 mm
August30°C / 85°F113 mm
September26°C / 78°F146 mm
October20°C / 68°F140 mm
November14°C / 57°F73 mm
December9°C / 48°F56 mm

Similar weather in January

Other destinations whose January averages sit close to this one.

Check another month

This is the month you are reading. Change either side to look at another.

FAQs about Osaka in January

January climate averages for Osaka, 1991–2020.

Osaka averages 6°C (44°F) in January, ranging from about 3°C (37°F) at night to 10°C (49°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Barely. January sees only about 47 mm, so rain is unlikely to affect your plans.

They are about the same. January averages 6°C (44°F) and February 7°C (44°F), so temperature alone will not decide between them.

January is 2.4°C cooler than December, and about as wet.

It is outside the easiest window. The most comfortable stretch here is May to October; January sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.

About 4.7 hours of sun a day on the 1991–2020 average.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what January is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 10 hours 4 minutes of daylight in mid-January, against 14 hours 28 minutes in June and 9 hours 51 minutes in December.

On 15 January, sunrise is about 07:05 and sunset about 17:09 local time. Both shift across the month — the month ends 36 minutes longer than it starts.