Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed 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 sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's arrival brings a change in high-temperatures, moving from a chilly 8.6°C (47.5°F) in March to a mild 14.8°C (58.6°F). Throughout April, the temperature tends to fall to a consistent average low of 6.4°C (43.5°F).Humidity
The months with the lowest humidity are March and April, with an average relative humidity of 58%.Rainfall
In Haeju, during April, the rain falls for 7.9 days and regularly aggregates up to 29mm (1.14") of precipitation. In Haeju, during the entire year, the rain falls for 101.6 days and collects up to 591mm (23.27") of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, in April, Haeju aggregates 1mm (0.04") of snow. In Haeju, during the entire year, snow falls for 15.7 days and aggregates up to 89mm (3.5") of snow.Sea temperature
In April, the average sea temperature is 7.3°C (45.1°F).Note: Dipping into 7.3°C (45.1°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.
Daylight
In April, the average length of the day is 13h and 11min.On the first day of the month, sunrise is at 06:21 and sunset at 19:00. On the last day of April, sunrise is at 05:41 and sunset at 19:27 KST.
Sunshine
The average sunshine in April is 9.7h.UV index
In Haeju, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in April translates into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the water temperature in April?
How many hours of daylight does Haeju have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Haeju have in April?
How high is the UV index in April?
Average temperature in April
Haeju, North Korea
- Average high temperature in April: 14.8°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in April: 6.4°C
The month with the highest average low temperature is August (21°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).
Average pressure in April
Haeju, North Korea
- Average pressure in April: 1015.4mbar
The month with the highest atmospheric pressure is January (1025.6mbar).
The month with the lowest atmospheric pressure is July (1006.5mbar).
Average wind speed in April
Haeju, North Korea
- Average wind speed in April: 12.8km/h
The windiest month (with the highest average wind speed) is March (14km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in April
Haeju, North Korea
- Average humidity in April: 58%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are March and April (58%).
Average rainfall in April
Haeju, North Korea
- Average rainfall in April: 29mm
The wettest month (with the highest rainfall) is July (144mm).
The driest month (with the least rainfall) is January (10mm).
Average rainfall days in April
Haeju, North Korea
- Average rainfall days in April: 7.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in April
Haeju, North Korea
- Average snowfall in April: 1mm
The month with the highest snowfall is December (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Haeju, North Korea
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is December (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Haeju, North Korea
- Average sea temperature in April: 7.3°C
The best month for swimming (with the highest average sea temperature) is August (22.9°C).
The coldest month (with the lowest average sea temperature) is February (2.3°C).
Average daylight in April /
Average sunshine in April
Haeju, North Korea
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The months with the least sunshine are November and December (Average sunshine: 5h and 30min).
Average sunshine days in April
Haeju, North Korea
- Average sunshine days in April: 21.1 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is August (10.2 days).
Average UV index in April
Haeju, North Korea
- Average UV index in April: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Haeju, North Korea
- Average cloud cover in April: 30
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in April
Haeju, North Korea
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The month with the lowest visibility is July (8km).
Haeju, North Korea
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