April
Weather in April
Temperature
The arrival of April brings a change in Seoul's weather, with average high-temperatures moving from March's cool 10.4°C (50.7°F) to a refreshing 17.8°C (64°F). In Seoul, the average low-temperature during the month of April is a chilly 7.8°C (46°F).Humidity
April is the least humid month, with an average relative humidity of 56.2%.Rainfall
In Seoul, in April, it is raining for 7.8 days, with typically 65mm (2.56") of accumulated precipitation. In Seoul, during the entire year, the rain falls for 108.8 days and collects up to 1451mm (57.13") of precipitation.Daylight
In Seoul, South Korea, the average length of the day in April is 13h and 10min.On the first day of the month, sunrise is at 06:17 and sunset at 18:54. On the last day of April, sunrise is at 05:37 and sunset at 19:21 KST.
Sunshine
In Seoul, the average sunshine in April is 6.8h.UV index
The average daily maximum UV index in April is 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 7 during April morphs into the following directions:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the least humid month?
What is the average humidity in April in Seoul?
How much does it rain in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Seoul have in April?
How high is the UV index in April?
Average temperature in April
Seoul, South Korea
- Average high temperature in April: 17.8°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in April: 7.8°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).
Average humidity in April
Seoul, South Korea
- Average humidity in April: 56.2%
The month with the highest relative humidity is July (78.3%).
The month with the lowest relative humidity is April (56.2%).
Average rainfall in April
Seoul, South Korea
- Average rainfall in April: 64.5mm
The wettest month (with the highest rainfall) is July (394.7mm).
The driest month (with the least rainfall) is January (20.8mm).
Average rainfall days in April
Seoul, South Korea
- Average rainfall days in April: 7.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (5.8 days).
Average daylight in April /
Average sunshine in April
Seoul, South Korea
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is May (Average sunshine: 6h and 54min).
The month with the least sunshine is July (Average sunshine: 3h and 54min).
Average UV index in April
Seoul, South Korea
- Average UV index in April: 7
The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).
