Weathermondo.com
JapanThe weather in May in Hiroshima
It's warm in May in Hiroshima with an average temperature of 25°C. Temperatures this month range from a low of 22°C to a high of 27°C. At night, you can expect temperatures between 14°C and 19°C.
Looking for sun? May isn’t a good month to be in Hiroshima. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Hiroshima, Japan. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 31°C in 2022, Hiroshima reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 15°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 23°C.
Rainfall amount
In May, there is an average of 153 mm of precipitation, spread over 16 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in May for Hiroshima
Click on any day in May to get detailed info about the usual weather on that day in Hiroshima. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Hiroshima | New York | |
|---|---|---|
| Average temperature | 25°C | 22°C |
| Max. temperature | 27°C | 28°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 153 mm | 105 mm |
| Rainy days | 16 days | 14 days |
Start of May
The month of May starts in Hiroshima with warm temps, averaging around 24°C during the day and nights around 15°C.
Mid May
By mid-May, daytime temps rise to around 25°C, with nights around 17°C. There’s a high chance of precipitation during this time.
End of May
By the end of May, the average daytime temperature in Hiroshima is around 27°C, while nighttime temps are about 18°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable trips to Hiroshima
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The typhoon season in Hiroshima runs from June to November.
Check out the climate of Hiroshima for all months and discover the best travel time
Curious about the weather in other parts of Japan? Check out the climate and weather for spots like Tokyo, Kyōto, Osaka, or explore other destinations in Japan.
Temperature charts
These charts show the average temperatures in May in Hiroshima, Japan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Hiroshima
Temperature in May in Hiroshima over the years
Precipitation charts
These charts show the average amount of precipitation in May in Hiroshima, Japan. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Hiroshima
Total precipitation in May in Hiroshima over the years
Daily UV index in May in Hiroshima
This chart shows the average daily UV index in May in Hiroshima, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Hiroshima
Have you been to Hiroshima in May?
Share your weather experience in May in Hiroshima.
Average weather in Hiroshima by month
Click on a month below to see detailed weather info for Hiroshima. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.