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Best time to visit Osaka, Japan

Our verdict

The best time to visit Osaka is September

Osaka can be visited year-round, but based on the ideal climate conditions, cost of travel, and avoiding peak holiday periods, September is the best time to go.

In summer, temperatures can reach as high as 29℃ (84℉) in the middle of the day. In the winter months, it can get down to as low as -13℃ (9℉) at night.

The longest days between sunrise and sunset in Osaka are usually in May, so if you want to get the most out of your daytime activities, be sure to plan your visit around this time. The wet season in Osaka falls around July, so if you prefer the dryer weather, you should look to visit in November instead.

Continue reading to find out more about when to visit Osaka, including the climate, seasonal info, what to pack, FAQs, and the best tools to help you plan and book your next vacation.

Warmest month

August

Least rainfall

November

Most daylight

May

Osaka seasons

Before you continue, it’s important to know when the seasons are in Osaka as they might be different to yours depending on where in the world you’re travelling from. Osaka is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Osaka

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Osaka for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Osaka climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Osaka for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Osaka in January

  • Average temperature: -5℃ (24℉)
  • Average high temperature: 0℃ (33℉)
  • Average low temperature: -9℃ (15℉)
  • Average humidity: 79%
  • Average sunny days: 11 days
  • Average rainfall: 44mm (2") over 13 days
  • Average snow days: 16 days
11 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Osaka in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Osaka in February

  • Average temperature: -3℃ (26℉)
  • Average high temperature: 2℃ (36℉)
  • Average low temperature: -9℃ (16℉)
  • Average humidity: 79%
  • Average sunny days: 12 days
  • Average rainfall: 46mm (2") over 12 days
  • Average snow days: 11 days
12 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Osaka in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Osaka in March

  • Average temperature: 1℃ (34℉)
  • Average high temperature: 7℃ (44℉)
  • Average low temperature: -4℃ (25℉)
  • Average humidity: 74%
  • Average sunny days: 12 days
  • Average rainfall: 66mm (3") over 15 days
  • Average snow days: 8 days
12 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Osaka in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Osaka in April

  • Average temperature: 7℃ (44℉)
  • Average high temperature: 13℃ (55℉)
  • Average low temperature: 1℃ (34℉)
  • Average humidity: 71%
  • Average sunny days: 13 days
  • Average rainfall: 62mm (2") over 15 days
  • Average snow days: 2 days
13 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Osaka in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Osaka in May

  • Average temperature: 13℃ (55℉)
  • Average high temperature: 19℃ (67℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 70%
  • Average sunny days: 15 days
  • Average rainfall: 64mm (3") over 14 days
15 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Osaka in May, make sure you pack a warm jacket or coat.


Osaka in June

  • Average temperature: 16℃ (61℉)
  • Average high temperature: 22℃ (71℉)
  • Average low temperature: 10℃ (50℉)
  • Average humidity: 79%
  • Average sunny days: 9 days
  • Average rainfall: 75mm (3") over 19 days
9 days
of pure sunshine
19 days
of showers or rain

What to pack: If you’re heading to Osaka in June, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Osaka in July

  • Average temperature: 20℃ (68℉)
  • Average high temperature: 26℃ (78℉)
  • Average low temperature: 15℃ (59℉)
  • Average humidity: 82%
  • Average sunny days: 7 days
  • Average rainfall: 106mm (4") over 23 days
7 days
of pure sunshine
23 days
of showers or rain

What to pack: If you’re heading to Osaka in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Osaka in August

  • Average temperature: 21℃ (69℉)
  • Average high temperature: 27℃ (80℉)
  • Average low temperature: 16℃ (60℉)
  • Average humidity: 82%
  • Average sunny days: 7 days
  • Average rainfall: 68mm (3") over 20 days
7 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Osaka in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Osaka in September

  • Average temperature: 16℃ (61℉)
  • Average high temperature: 22℃ (72℉)
  • Average low temperature: 11℃ (53℉)
  • Average humidity: 82%
  • Average sunny days: 13 days
  • Average rainfall: 57mm (2") over 15 days
13 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Osaka in September, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.

Osaka in October

  • Average temperature: 11℃ (52℉)
  • Average high temperature: 17℃ (62℉)
  • Average low temperature: 6℃ (42℉)
  • Average humidity: 81%
  • Average sunny days: 17 days
  • Average rainfall: 99mm (4") over 12 days
17 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Osaka in October, make sure you pack a warm jacket or coat.


Osaka in November

  • Average temperature: 5℃ (41℉)
  • Average high temperature: 10℃ (51℉)
  • Average low temperature: 1℃ (33℉)
  • Average humidity: 77%
  • Average sunny days: 18 days
  • Average rainfall: 38mm (2") over 10 days
  • Average snow days: 1 days
18 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Osaka in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Osaka in December

  • Average temperature: -1℃ (30℉)
  • Average high temperature: 4℃ (38℉)
  • Average low temperature: -5℃ (23℉)
  • Average humidity: 76%
  • Average sunny days: 12 days
  • Average rainfall: 49mm (2") over 13 days
  • Average snow days: 11 days
12 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Osaka in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Top FAQs

The hottest month of the year in Osaka is usually August, where temperatures tend to rise to around 27℃ (80℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Osaka is generally around November. The dry season often coincides with cooler weather, so you should check the temperatures in November first to make sure it’s still a good time to go.
The rainiest time of year in Osaka is generally around July, although the wetter season can sometimes extend a few months either side of July too.
If you want to get the most out of your time visiting Osaka, or if you're just afraid of the dark, the days in May are usually the longest between sunrise and sunset.

Osaka map