Isahaya weather in May (Nagasaki, Japan)

How's the weather trend in Isahaya as May approaches? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

In May, the weather in Isahaya generally includes high temperatures and heavy rainfall. The temperature during the day can rise to approximately 23°C. At night, it falls to around 17°C.

Precipitation

Isahaya in May falls under the rainy season with heavy rainfall, averaging around 186 mm for the month. The climate data from previous years indicates that there are typically about 16 days days of rain.

Average sunshine

The city usually sees around 190 hours of sunlight, indicating many sunny days.

Should you favor a climate that's both dry and comfortably warm October typically offers the most agreeable circumstances. On the other hand, February, June and July tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Isahaya climate page with graphs.

 

Isahaya, monthly averages in May

Min Temperature 17°C  

Max Temperature 23°C  

Water Temperature 19°C *  

Chance of Rain 53%  

Precipitation 186 mm  

Rainy days 16 days  

Humidity 72% *  

Windspeed 7 km/h *  

Sunshine 190 hours *  

Percentage Sunshine 43% *  

Data from: Nagasaki, Japan (23 KM, 14 Miles).

Where to go in Japan in May

Find out more about the weather in Japan and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Isahaya, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 19°C this is a great month to swim so bring your swimwear.

What To Do

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

Swimming

6/10

Camping

6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Isahaya.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find historical weather averages for many cities in Japan. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.