Osaka Weather
Osaka weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Mar, Apr, Oct and Nov.
Osaka current weather
Osaka now (local time 19:15)
18°C
Overcast
- Feels like
- 20°
- Humidity
- 90%
- Wind
- 5 km/h
Next 7 days · what to wear
12° – 27°C
Rain likely on 2 of 7 days
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Osaka 14-day forecast
Today
10/4
🌧️
20°
18°
💧100%
Mon
10/5
🌦️
20°
18°
💧39%
Tue
10/6
🌦️
24°
19°
💧25%
Wed
10/7
🌤️
24°
16°
💧0%
Thu
10/8
☁️
25°
12°
💧6%
Fri
10/9
☀️
27°
16°
💧10%
Sat
10/10
🌤️
26°
16°
💧22%
Sun
10/11
☀️
27°
17°
💧10%
Mon
10/12
☀️
26°
16°
💧13%
Tue
10/13
☀️
27°
17°
💧37%
Wed
10/14
🌤️
27°
17°
💧33%
Thu
10/15
☀️
28°
18°
💧25%
Fri
10/16
☁️
28°
19°
💧19%
Sat
10/17
🌦️
26°
20°
💧20%
Best time to visit Osaka
On temperature and rainfall, the most comfortable months in Osaka are Mar, Apr, Oct and Nov. The hottest month is August (average high 33°C) and the coldest is January (average low 1°C).
Osaka climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | 9°C | 1°C | 53 mm | 74% | -11°C |
| Feb | 11°C | 2°C | 72 mm | 73% | -11°C |
| MarBest | 15°C | 5°C | 127 mm | 73% | -10°C |
| AprBest | 19°C | 10°C | 166 mm | 72% | -9°C |
| May | 23°C | 14°C | 218 mm | 74% | -8°C |
| Jun | 27°C | 19°C | 248 mm | 78% | -6°C |
| Jul | 31°C | 24°C | 274 mm | 80% | -2°C |
| Aug | 33°C | 26°C | 188 mm | 74% | 0°C |
| Sep | 30°C | 23°C | 190 mm | 76% | -2°C |
| OctBest | 23°C | 14°C | 163 mm | 76% | -7°C |
| NovBest | 18°C | 9°C | 98 mm | 76% | -9°C |
| Dec | 12°C | 3°C | 39 mm | 73% | -11°C |
Data: Open-Meteo historical weather, 2020–2024 averages (ERA5); Hong Kong comparison uses HKO 1991–2020 normals.
Osaka weather month by month: what to wear
Osaka in OctoberBest monthThis month
October in Osaka is pleasantly warm: average highs of 23°C and lows of 14°C, around 163 mm of rain (wet) and 76% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; it's wet, so pack a compact umbrella.
Osaka in NovemberBest month
November in Osaka is mild and cool: average highs of 18°C and lows of 9°C, around 98 mm of rain (some rain) and 76% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
Osaka in December
December in Osaka is chilly: average highs of 12°C and lows of 3°C, around 39 mm of rain (mostly dry) and 73% humidity — about 11°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker.
Osaka in January
January in Osaka is cold: average highs of 9°C and lows of 1°C, around 53 mm of rain (mostly dry) and 74% humidity — about 11°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf.
Osaka in February
February in Osaka is chilly: average highs of 11°C and lows of 2°C, around 72 mm of rain (mostly dry) and 73% humidity — about 11°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker.
Osaka in MarchBest month
March in Osaka is chilly: average highs of 15°C and lows of 5°C, around 127 mm of rain (some rain) and 73% humidity — about 10°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
Osaka in AprilBest month
April in Osaka is mild and cool: average highs of 19°C and lows of 10°C, around 166 mm of rain (wet) and 72% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Osaka in May
May in Osaka is pleasantly warm: average highs of 23°C and lows of 14°C, around 218 mm of rain (wet) and 74% humidity — about 8°C colder than Hong Kong.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; it's wet, so pack a compact umbrella.
Osaka in June
June in Osaka is warm to hot: average highs of 27°C and lows of 19°C, around 248 mm of rain (wet) and 78% humidity — about 6°C colder than Hong Kong.
👕 Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella.
Osaka in July
July in Osaka is warm to hot: average highs of 31°C and lows of 24°C, around 274 mm of rain (very wet) and 80% humidity — about 2°C colder than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Osaka in August
August in Osaka is hot: average highs of 33°C and lows of 26°C, around 188 mm of rain (wet) and 74% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella.
Osaka in September
September in Osaka is warm to hot: average highs of 30°C and lows of 23°C, around 190 mm of rain (wet) and 76% humidity — about 2°C colder than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella.
FAQ
›What is the best time to visit Osaka?
On temperature and rainfall, the most comfortable months in Osaka are Mar, Apr, Oct and Nov. The hottest month is August (average high 33°C) and the coldest is January (average low 1°C).
›What's the weather like in Osaka in October, and what should I wear?
October in Osaka is pleasantly warm: average highs of 23°C and lows of 14°C, around 163 mm of rain (wet) and 76% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; it's wet, so pack a compact umbrella.
›What's the weather like in Osaka in November, and what should I wear?
November in Osaka is mild and cool: average highs of 18°C and lows of 9°C, around 98 mm of rain (some rain) and 76% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Long sleeves with a light jacket or sweater.
›When is the rainy season in Osaka?
Osaka is wettest in July, with about 274 mm on average, and driest in December, with about 39 mm.
›How cold does Osaka get? Does it snow?
The coldest month is January, averaging 9°C by day and 1°C at night. Early mornings get close to freezing; snow is occasional.
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: August; coldest: January.