Osaka, Japan — Weather in July 2026

Climate Overview

Osaka, Japan in July has hot conditions, with highs reaching 30.5°C (87°F) and afternoons the warmest part of the day. Rain falls on about 15 days this month, totalling around 222 mm. Sea temperature reaches 29°C (84°F).

This month falls at the middle of Summer. The combination of heat and frequent rain creates tropical monsoon conditions.

Daily highs in July gradually rise from around 29°C (85°F) at the start to 32°C (90°F) by month's end.

Rainfall is heaviest during the first third of the month, while the last third tends to be drier.

Expect around 7.9h of sunshine at the start of July, increasing to 10.9h by the end.

The warmest days tend to fall around the 31th, averaging 32.6°C (91°F).

Compared to June, this month is about 4°C warmer with 2 more rainy days.

Monthly July Averages

Temperature

31°C / 24°C

Feels Like

35°C / 29°C

Rain

15 days · 222 mm

Sunshine

9.3h / day

Humidity

80% — Very Muggy

Wind

13 km/h

Wind Direction

SW (216°)

Gusts

32 km/h

Daylight

14.2 h

Cloud Cover

69%

Clear Sky Days

2.6

UV Index

7.6 — Very High

Sea Temperature

29°C

Dew Point

24°C — Muggy

Moon Phase

New Moon · 0%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 04:57

Daylight 14.3h

Sunset 19:13

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain most often builds later in the day, so mornings are typically the driest window and afternoon showers are more likely.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	9°C / 2°C	5°C / -2°C	6days (49 mm) Good	7.6h Good	74% Muggy	3.3 Moderate	Poor	View Details
February	10°C / 2°C	6°C / -1°C	7days (60 mm) Good	7.9h Good	72% Muggy	4.1 Moderate	Poor	View Details
March	14°C / 5°C	12°C / 3°C	10days (103 mm) Wet	8.4h Good	72% Muggy	4.9 Moderate	Fair	View Details
April	19°C / 10°C	18°C / 9°C	10days (138 mm) Wet	8.9h Good	72% Muggy	6 High	Good	View Details
May best	23°C / 15°C	24°C / 15°C	10days (164 mm) Wet	9.1h Good	73% Muggy	6.1 High	Excellent	View Details
June best	27°C / 20°C	29°C / 22°C	13days (215 mm) Wet	8.7h Good	78% Humid	6.5 High	Excellent	View Details
July	31°C / 24°C	35°C / 29°C	15days (222 mm) Wet	9.3h Good	80% Humid	7.6 Very High	Wet	View Details
August	32°C / 25°C	37°C / 30°C	12days (163 mm) Wet	10.4h Excellent	76% Humid	7.3 Very High	Poor	View Details
September	29°C / 22°C	32°C / 25°C	13days (170 mm) Wet	8.4h Good	78% Humid	6.4 High	Good	View Details
October best	22°C / 15°C	23°C / 15°C	11days (171 mm) Wet	7.7h Good	77% Humid	4.7 Moderate	Excellent	View Details
November best	17°C / 9°C	15°C / 7°C	7days (63 mm) Good	7.8h Good	76% Humid	3.6 Moderate	Good	View Details
December	11°C / 4°C	8°C / 1°C	6days (47 mm) Good	7.4h Good	75% Muggy	3.1 Moderate	Fair	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketWaterproof shoesBreathable clothingSunscreen (SPF 30+)Sun hatSunglasses

Frequently Asked Questions

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Is July a good time to visit Osaka?

July is typically wet for visiting Osaka, with average highs of 31°C (87°F) and around 15 rainy days. Osaka, Japan in July has hot conditions, with highs reaching 30.5°C (87°F) and afternoons the warmest part of the day. R

Does it rain a lot in Osaka in July?

Osaka typically sees around 15 rainy days in July with 222 mm (8.7 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Osaka in July?

Nights stay pleasantly warm in Osaka during July, around 24°C (76°F). Light evening wear is sufficient.

What should I pack for Osaka in July?

With highs of 31°C (87°F) and lows of 24°C (76°F) in July, we recommend: Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). Comfortable walking shoes are essential.

Is July among the best months weather-wise in Osaka?

July is not the most favourable month weather-wise in Osaka. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Osaka in July?

The average UV index in Osaka during July is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Osaka in July?

Osaka gets approximately 14 hours of daylight per day in July, with around 9 hours of sunshine.

Does it snow in Osaka in July?

Snow is uncommon in Osaka during July based on 10-year climate averages.

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