ClimateForecastMayJune >>

Iwanai weather in May (Hokkaido, Japan)

What weather conditions can you expect in Iwanai this May? Explore our page to find a thorough overview of this month's weather conditions.

Temperatures

In May, Iwanai usually has moderate temperatures and moderate rainfall. In the daytime, temperatures tend to hover near 15°C, cooling down at night to around 7°C.

Precipitation

Iwanai in May usually receives moderate rainfall, averaging around 88 mm for the month. Records from the past 30 years suggest that around 18 days will experience rain.

Average sunshine

With approximately 199 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

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

 

Iwanai, monthly averages in May

Min TemperatureMin Temperature 7°C  
Max TemperatureMax Temperature 15°C  
Chance of RainChance of Rain 60%  
PrecipitationPrecipitation 88 mm  
Rainy daysRainy days 18 days  
HumidityHumidity 66% *  
SunshineSunshine 199 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Sapporo, Japan (69 KM, 43 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.

Map not visible? Whoops sorry! Please refresh the page.
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?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

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

Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
9/10

Interested in more climate information?

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

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.