Hottest (avg)
#1 / 12
Osaka in August
August weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 13h
What to expect
August marks a typically very warm period of summer, where the weather is warming up. Thermometers typically reach 32°C / 89°F, with evenings cooling to 25°C / 76°F.
The atmosphere is generally hot and tropical, with heavy bursts of rain breaking the heat. The sun is very strong at this time of year, making sun protection essential during the day.
Statistically, this is the hottest month of the year.
August in context
How it compares to the rest of the year in Osaka.
Wettest (avg)
#7 / 12
Daylight Hours
#4 / 12
Windiest (avg)
#8 / 12
Highest UV
#4 / 12
Most Humid
#7 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 13.4 hours
- UV index (max)
- 8
- Typical sun hours
- 05:18 – 18:44
Rain & Snow
- Total
-
- Rainy days
- 16
- Cloud cover
- 58%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 75%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is August a good time to visit Osaka?
Typical August days in Osaka reach highs of 32°C (90°F) with nights around 25°C (77°F). It usually feels hot by day and warm after dark. Overall, August sits in the middle of the Osaka climate range.
What are temperatures like in August?
In August, you can usually expect highs of 32°C (90°F) and lows near 25°C (77°F). That means hot days and warm nights, so pack layers you can add or remove.
How much does it rain in August?
Rainfall in August averages 123 mm (4.8 in) across roughly 16 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in August?
You can expect about 13 hours of daylight in August. Sunrise is typically around 05:18 and sunset near 18:44. You get long days with comfortable amounts of daylight.
How strong is the sun in August?
UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Is it windy in August?
In August, average wind speeds are around 9 km/h (6 mph), with gusts on the windiest days reaching about 49 km/h (30 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.