Osaka

Osaka Prefecture Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Osaka Prefecture, Japan in January.

Are you planning a trip a to Osaka Prefecture, Japan in January and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Osaka Prefecture in January

Osaka Prefecture, Japan is a region in Japan. January in Osaka Prefecture generally has cold temperatures, with moderate precipitation. The month of January is in the winter season.

Temperatures

You can expect cold maximum daytime temperatures of around 10°C (50°F) and nighttime temperatures around 2°C (36°F) in Osaka. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

For specific regional insights in Osaka Prefecture, Japan, refer to the map provided below.

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Moriguchi with an average of 63 mm (2.5 in) to moderate rainfall in Misaki with 91 mm (3.6 in). In Osaka, this particular month consistently records the lowest levels of rainfall, making it the driest period throughout the entire year.

Average sunshine

Sunshine is moderately available across various locations. In Osaka, you can expect around 142 hours of sunlight in January, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Osaka Prefecture by month

Pick a month to see the average temperature, rainfall and sunshine in Osaka Prefecture — and find the best time to visit. (based on Osaka)

Best Places to Visit in Osaka Prefecture in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Osaka Prefecture.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Osaka Prefecture

What is the weather like in January for some of the most popular destinations in Osaka Prefecture, Japan?

Temperature range in Osaka Prefecture (January)

Precipitation variation in Osaka Prefecture (January)

Osaka

In January Osaka generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
151 hours
142 hours
140 hours
Monthly rainfall
67 mm (2.6 in)
64 mm (2.5 in)
79 mm (3.1 in)
Monthly rainy days
15 days
18 days
19 days
Weather conditions

Toyonaka

In January Toyonaka generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
151 hours
142 hours
140 hours
Monthly rainfall
66 mm (2.6 in)
63 mm (2.5 in)
79 mm (3.1 in)
Monthly rainy days
15 days
18 days
19 days
Weather conditions

Higashi-osaka

In January Higashi-osaka generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
151 hours
142 hours
140 hours
Monthly rainfall
67 mm (2.6 in)
66 mm (2.6 in)
81 mm (3.2 in)
Monthly rainy days
14 days
18 days
18 days
Weather conditions

Moriguchi

In January Moriguchi generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
151 hours
142 hours
140 hours
Monthly rainfall
64 mm (2.5 in)
63 mm (2.5 in)
78 mm (3.1 in)
Monthly rainy days
15 days
18 days
19 days
Weather conditions

Izumi-Sano

In January Izumi-Sano generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
5°C (41°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
134 hours
137 hours
134 hours
Monthly rainfall
81 mm (3.2 in)
78 mm (3.1 in)
92 mm (3.6 in)
Monthly rainy days
14 days
17 days
17 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Osaka Prefecture, in Japan.

In our records: Japan January extremes

Notable January records observed across cities in Japan in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest January daytime high in Japan was -15°C (5°F) in Mount Fuji on January 18, 2004.

Popular cities in January

Day & night temperatures, rainfall and average weather in Osaka Prefecture in January.

City Weather Day temp Night temp Rainfall
Osaka 10°C (50°F) 2°C (36°F) 64 mm (2.5 in)
Toyonaka 10°C (50°F) 2°C (36°F) 63 mm (2.5 in)
Higashi-osaka 10°C (50°F) 2°C (36°F) 66 mm (2.6 in)
Moriguchi 10°C (50°F) 2°C (36°F) 63 mm (2.5 in)
Izumi-Sano 10°C (50°F) 3°C (37°F) 78 mm (3.1 in)
Sakai 10°C (50°F) 2°C (36°F) 67 mm (2.6 in)

Osaka Prefecture weather in January: frequently asked questions

What is the weather like in Osaka Prefecture, Japan in January?

Expect poor weather across Osaka Prefecture, Japan in January. The popular destination of Osaka averages 10°C (50°F) by day and 2°C (36°F) at night during this winter month.

What is the average temperature in Osaka Prefecture, Japan in January?

In Osaka, the average daytime high in January is 10°C (50°F), while nighttime temperatures drop to around 2°C (36°F).

Does Osaka Prefecture, Japan get a lot of rain in January?

Rain is generally moderate to light in Osaka Prefecture, Japan during January, with Osaka averaging close to 64 mm (2.5 in).

Is January a Good Time to Visit Osaka Prefecture, Japan?

In our view, January might not be the best time to travel to Osaka Prefecture, Japan with often poor weather in Osaka.

On average, the best time to visit Osaka Prefecture, Japan is in April, May, October and November with generally pleasant weather in Osaka. The weather in January, July and August, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Osaka Prefecture.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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