Osaka, Japan

Osaka has a continental climate with average temperatures ranging from 8°C / 47°F in January to 32°C / 89°F in August.

Annual rainfall patterns show an average of 124 mm / 4.9 inches per month, with July being the wettest (192 mm / 7.6 inches) and January the driest (57 mm / 2.2 inches).

The UV index ranges from 4 in December to 8 in June, so strong sun protection is essential during summer months.

Expect approximately 14.4 hours of daylight during June and around 9.9 hours in December.

From the warmth of August to the cooler days of January, Osaka presents diverse weather for year-round exploration.

Today's Forecast

Climate at a glance

The big-picture stats that matter for planning your visit to Osaka.

Typical range

High / low

Average highs up to 31.8°C and lows down to 0.9°C.

Rain pattern

Wettest month

July averages 192 mm.

UV

Typical peak band

Typical peak UV is High.

Daylight

Seasonal range

Roughly 10 hrs to 14 hrs.

Wind

Typical strength

Average around 10 km/h, peaking in March.

When should I go?

Our top-rated months for visiting Osaka, based on long-term weather comfort and conditions

Next steps

Dive deeper into rankings, month details, or packing guidance.

How Osaka compares

See how it ranks against the rest of Japan for key metrics.

HOTTEST (AVG)
in Japan
#1 / 4
COOLEST (AVG)
in Japan
#4 / 4
WETTEST (TOTAL)
in Japan
#1 / 4
WINDIEST (AVG)
in Japan
#3 / 4
HIGHEST UV
in Japan
#1 / 4
MOST HUMID
in Japan
#4 / 4

Short term outlook

Visiting soon? Here's the next 7 days of weather for Osaka, or see an hourly breakdown for the next 14 days.

Frequently asked questions

How does the weather in Osaka feel over the year?

Across the year, daytime highs average about 20°C (68°F), with nights near 12°C (54°F). Overall it feels mild by day and cool after dark. Daylight is fairly typical, with enough time for sightseeing. Expect a mix of sun and cloud across the year.

When is the best time to visit Osaka for dry weather?

The driest month is usually January, with around 57 mm (2.2 in) of rain. In contrast, July is the wettest month, so that’s when you’re most likely to need a raincoat or umbrella.

When is sun exposure strongest in Osaka?

UV tends to peak in June, when UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.

Is Osaka a windy place?

Across the year, average winds sit around 10 km/h (6 mph), with gusts on windier days up to about 58 km/h (36 mph). Overall it is it can feel quite windy at times, particularly when weather systems move through.

How much daylight does Osaka get?

On average, days offer about 12 hours of daylight. Daylight is fairly typical, with enough time for sightseeing.

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