Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average UV index in April
Weather in April
Temperature
Hiroshima's weather shows a temperature rise with the arrival of April, moving from a moderate 14°C (57.2°F) in March to an enjoyable 19.7°C (67.5°F). An average nighttime temperature of 9.9°C (49.8°F) is recorded in Hiroshima during April.Humidity
With an average relative humidity of 63%, April is the least humid month.Rainfall
In April, in Hiroshima, Japan, the rain falls for 15 days. Throughout April, 142mm (5.59") of precipitation is accumulated. In Hiroshima, during the entire year, the rain falls for 190 days and collects up to 1538mm (60.55") of precipitation.Snowfall
April through November are months without snowfall.Sea temperature
In Hiroshima, the average seawater temperature in April is 14.3°C (57.7°F).Note: Swimming in 14.3°C (57.7°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.
Daylight
In April, the average length of the day in Hiroshima is 13h and 3min.On the first day of the month, sunrise is at 05:56 and sunset at 18:31. On the last day of April, in Hiroshima, sunrise is at 05:21 and sunset at 18:53 JST.
Sunshine
In Hiroshima, the average sunshine in April is 6.3h.UV index
In April, the average daily maximum UV index is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 8 in April suggests the following recommendations:
Skin and eyes are vulnerable without protection. Ensure you always take precautions. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Hiroshima?
What is the least humid month in Hiroshima?
What is the average humidity in April in Hiroshima?
How many days does it rain in April in Hiroshima?
When it does not snow in Hiroshima?
Does it snow in Hiroshima in April?
What is the water temperature in April in Hiroshima?
What is the average length of the day in April in Hiroshima?
When are sunrise and sunset in April in Hiroshima?
How long on average sun shines in April in Hiroshima?
What is the UV index reading in April in Hiroshima?
Average temperature in April
Hiroshima, Japan
- Average high temperature in April: 19.7°C
The warmest month (with the highest average high temperature) is August (32.5°C).
The month with the lowest average high temperature is January (9.7°C).
- Average low temperature in April: 9.9°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average humidity in April
Hiroshima, Japan
- Average humidity in April: 63%
The month with the highest relative humidity is July (74%).
The month with the lowest relative humidity is April (63%).
Average rainfall in April
Hiroshima, Japan
- Average rainfall in April: 141.7mm
The wettest month (with the highest rainfall) is July (258.6mm).
The driest month (with the least rainfall) is December (41.2mm).
Average rainfall days in April
Hiroshima, Japan
- Average rainfall days in April: 15 days
The month with the highest number of rainy days is January (19 days).
The month with the least rainy days is October (12 days).
Average snowfall in April
Hiroshima, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Hiroshima, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in April
Hiroshima, Japan
- Average sea temperature in April: 14.3°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).
Average daylight in April /
Average sunshine in April
Hiroshima, Japan
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 6h and 2min
The month with the most sunshine is August (Average sunshine: 6h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average UV index in April
Hiroshima, Japan
- Average UV index in April: 8
The month with the highest UV index is July (UV index 11).
The months with the lowest UV index are January and December (UV index 3).
Hiroshima, Japan
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