April Weather in Hyesan, North Korea

Last updated: August 23, 2025

In April, the average temperature in Hyesan, North Korea is a chilly 4°C (40°F), where you can expect a wide temperature range from a brisk -16°C (3°F) to a more temperate 26°C (79°F). With an average precipitation of 52 mm (2.1 in) spread over 9 days, it's wise to pack an umbrella. Humidity levels hover around 65%, adding to the overall experience of this fascinating locale.

April Temperature in Hyesan

In April in Hyesan, the average temperature is 4°C (40°F). Maximums can reach 26°C (79°F), while minimums can drop as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

April Weather in Hyesan: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Hyesan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hyesan, April typically has an average temperature of 4°C (40°F), with highs reaching up to 26°C (79°F) and lows dropping to around -16°C (3°F).

Data source: Temperature data for Hyesan generated using information from the Copernicus Climate Change Service.

April Precipitation in Hyesan

In Hyesan in April, the total precipitation amount is 52 mm (2.1 in) over the course of 9 days.

April Precipitation Trends in Hyesan

The chart displays monthly precipitation patterns in Hyesan, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Hyesan, April typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Hyesan

In Hyesan in April, humidity is 65%. With an average temperature of 4°C (40°F), this humidity feels like a brisk chill that wraps around you, making outdoor activities invigorating yet brisk, perfect for bundling up and exploring cozy cafés or festive markets.

April Average Humidity in Hyesan

This chart illustrates the average monthly humidity levels in Hyesan, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Hyesan is approximately 65%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hyesan

In Hyesan in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hyesan.

Maximum UV Index Levels in Hyesan for April

The chart shows the monthly maximum UV Index (UVI) for Hyesan in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Hyesan typically reaches 9, which falls under the very high exposure category.

Data source: Hyesan April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Hyesan Compares to Other Months

Weather in Hyesan varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hyesan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Hyesan, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-16°C (4°F)	14 mm (0.6 inches)	78%	moderate
February Weather	-13°C (9°F)	29 mm (1.2 inches)	71%	moderate
March Weather	-3°C (27°F)	42 mm (1.6 inches)	62%	high
April Weather	4°C (40°F)	52 mm (2.1 inches)	65%	very high
May Weather	10°C (51°F)	109 mm (4.3 inches)	73%	very high
June Weather	15°C (59°F)	100 mm (3.9 inches)	83%	extreme
July Weather	20°C (68°F)	97 mm (3.8 inches)	87%	extreme
August Weather	19°C (66°F)	187 mm (7.4 inches)	89%	extreme
September Weather	13°C (55°F)	79 mm (3.1 inches)	79%	very high
October Weather	5°C (41°F)	56 mm (2.2 inches)	80%	high
November Weather	-4°C (25°F)	44 mm (1.7 inches)	69%	moderate
December Weather	-14°C (7°F)	24 mm (0.9 inches)	75%	low