Monthly climate guide
Osaka weather in April
Expect mild weather in Osaka in April: afternoons reach about 18°C (64°F), while nights drop to around 7°C (44°F). Around 147 mm of rain falls over the month (wet), and skies are often cloudy. Daytime highs are 5°C warmer than March and 5°C cooler than May.
What stands out in April
- Just 170 km apart, but Osaka runs about 2°C warmer than Fukui this month.
- Skies are at their clearest this time of year.
- In Osaka, April is mid-spring.
- Check the hourly forecast before heading to Osaka Castle — showers are likely.
Avg high
18°C
64°F
Avg low
7°C
44°F
Rainfall
147 mm
wet
Humidity
78%
relative
Sky
61%
cloud · often cloudy
Osaka weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 7°C / 44°F | -1°C / 31°F | 59 mm | 83% | 66% |
| February | 8°C / 47°F | 0°C / 31°F | 75 mm | 81% | 67% |
| March | 12°C / 54°F | 2°C / 36°F | 108 mm | 79% | 61% |
| April | 18°C / 64°F | 7°C / 44°F | 147 mm | 78% | 61% |
| May | 23°C / 73°F | 12°C / 54°F | 142 mm | 78% | 63% |
| June | 25°C / 78°F | 17°C / 62°F | 237 mm | 83% | 79% |
| July | 29°C / 84°F | 22°C / 71°F | 243 mm | 85% | 74% |
| August | 30°C / 87°F | 23°C / 73°F | 190 mm | 83% | 62% |
| September | 27°C / 80°F | 19°C / 65°F | 265 mm | 84% | 69% |
| October | 21°C / 70°F | 12°C / 54°F | 208 mm | 84% | 61% |
| November | 16°C / 60°F | 7°C / 44°F | 84 mm | 83% | 58% |
| December | 9°C / 49°F | 1°C / 34°F | 72 mm | 83% | 65% |
What to pack for April
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is April a good time to visit Osaka?
Our Osaka guide recommends: March to May or October to November, avoiding the hot, humid summer.
Osaka is widely considered Japan's best city for street food — look for takoyaki and okonomiyaki at casual stalls in Dotonbori.
Best time to visit Osaka →Other Japan cities in April
Cite or embed this data
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Osaka weather in April. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/japan/osaka/april
<a href="https://weathercompare.eu/weather/japan/osaka/april">Osaka weather in April</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/japan/osaka" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Osaka weather in April"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/japan/osaka/april">Osaka weather in April</a> – WeatherCompare</p>
Osaka in April: quick answers
Is April a good time to visit Osaka?
Yes. April is one of the best months for Osaka, with highs around 18°C and about 147 mm of rain.
How warm is Osaka in April?
Average highs are about 18°C (64°F) and average lows about 7°C (44°F), based on 10 years of daily data.
Does it rain a lot in Osaka in April?
Osaka typically gets around 147 mm of rain in April — wet.
When is the best time to visit Osaka?
March to May or October to November, avoiding the hot, humid summer.
Figures are long-term averages for the area around Osaka (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.