Onjuku Weather in May

May in Onjuku brings pleasant temperatures, with highs of 22°C (72°F) and nights dropping to 17°C (63°F). Rainfall is on the higher side this month, averaging around 141 mm (5.6 in), so keep a rain jacket handy.

Rainfall in Onjuku in May

Expect around 16 days of rain based on historical data, with 141 mm (5.6 in) average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Onjuku in May

Temperatures in Onjuku in May top out at 22°C (72°F) and drop to 17°C (63°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Onjuku in May

The month brings about 183 hours of sunlight, offering a comfortable mix of sun and overcast.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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For a detailed overview over the year and the best time to visit Japan, check out our Onjuku's climate page.

Onjuku Temperature in May

Min Temperature 17°C (63°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 52%  

Precipitation 141 mm (5.6 in)  

Rainy days 16 days  

Humidity 70% *  

Sunshine 183 hours *  

Percentage Sunshine *  

* Data from: Chiba, Japan (49 KM, 30 Miles).

What to Wear in Onjuku in May

For Onjuku in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Onjuku in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Onjuku's climate page.

More climate data for Onjuku

Temperature Rainfall Sunshine Humidity

See the full Onjuku climate overview or explore weather in Japan.