Osaka Prefecture · Japan

Osaka in January

In January, Osaka averages a daytime high of 9 °C and a night-time low of 1 °C, with about 52 mm of rain over the month. Osaka has no month that is both mild and dry by the measure used here.

Average high
9 °C
Average low
1 °C
Rain in the month
52 mm
Daylight on 15 Jan
10 h 10 min
Comfortable month
No
Places to stay
196

When to go

How January compares with the rest of the year in Osaka

January is the coolest month in Osaka by average daytime high; across the year the highs run from 9 °C to 33 °C and the lows from 1 °C to 24 °C. By day, January is 2 °C cooler than December, and February is 1 °C warmer than January.

January brings 52 mm of rain, less than the monthly average of 126 mm (1509 mm a year); it is the driest month.

On 15 January the sun is up for about 10 h 10 min, against 9 h 50 min at the shortest and 14 h 30 min at the longest point of the year (calculated from the latitude, sunrise to sunset).

0°16°33°JanFebMarAprMayJunJulAugSepOctNovDec217 mm
Average highAverage lowRain per monthComfortable months
MonthHighLowRainDaylightComfortable
January9 °C1 °C52 mm10 h 10 min
February10 °C1 °C66 mm11 h
March13 °C4 °C114 mm12 h
April20 °C9 °C126 mm13 h
May24 °C14 °C142 mm14 h
June27 °C18 °C210 mm14 h 30 min
July31 °C23 °C217 mm14 h 10 min
August33 °C24 °C130 mm13 h 20 min
September29 °C20 °C195 mm12 h 20 min
October23 °C14 °C133 mm11 h 10 min
November17 °C8 °C71 mm10 h 20 min
December11 °C3 °C54 mm9 h 50 min

Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).

When to go

Is January a good time to visit Osaka?

Not by the measure used here: the average high of 9 °C is below 18 °C. No month in Osaka meets it.

The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.

Public holidays in Japan in January

Nationwide public holidays; shops and offices may close on these dates.

1 Jan 2026 · New Year's Day12 Jan 2026 · Coming of Age Day1 Jan 2027 · New Year's Day11 Jan 2027 · Coming of Age Day

Where to stay

Where to stay in Osaka

This guide lists 196 places to stay in Osaka: 30 chain properties with their details and own websites, and 166 hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 29; 1–3 km, 90; 3–10 km, 49.

← Osaka in DecemberOsaka in February →

Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.