Osaka weather
Our guide to the weather in Osaka during April
We've looked at the most up-to-date weather data for Osaka, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Osaka weather in April.
What's the temperature like in Osaka during April?
The temperature reaches around 19℃ during the daytime in April, falling away to 9℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Osaka during April?
On average, there will be 7 rainy days during the month, amounting to 151.9mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. You're not likely to see a thunderstorm during your trip.
Is it windy in Osaka during April?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in April. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.
Is it too cold to swim in the sea in Osaka during April?
The water around Osaka is a bracing 15℃ during April and would be considered too cold for swimming. Those who are a bit more hardy or frequently swim in cooler open water might want to take a quick dip. A wetsuit would be advisable if you wish to spend longer than 5 minutes in the water.
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