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April Weather in Haishan, China

Last updated: August 23, 2025

In Haishan, China, the average temperature in April hovers around 18°C (65°F), with a minimum of 7°C (45°F) and a maximum of 31°C (87°F). Expect 86 mm (3.4 in) of precipitation over approximately 11 days, contributing to an average humidity level of 86%.

April Temperature in Haishan

In April in Haishan, the average temperature is 18°C (65°F). The maximum can reach 31°C (87°F), while the minimum can dip as low as 7°C (45°F). This makes Haishan an ideal destination for travelers seeking a pleasant climate with warm days and cooler nights.

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

The chart illustrates April temperature patterns in Haishan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haishan, April typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (87°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec505057657378848581726353
Data source: Temperature data for Haishan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Haishan

In Haishan in April, the precipitation amount is 86 mm (3.4 in), spread over 11 days.

April Precipitation Trends in Haishan

The chart displays monthly precipitation patterns in Haishan, 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 Haishan, April typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec394995861522461972071181237137
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Haishan

In Haishan in April humidity is 86%. With an average temperature of 18°C (65°F), this humidity feels like you’re wrapped in a warm, heavy blanket, making outdoor activities feel quite muggy and sticky for traveling.

April Average Humidity in Haishan

This chart illustrates the average monthly humidity levels in Haishan, 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 Haishan is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%80%86%88%89%91%88%79%79%80%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Haishan

In Haishan in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Haishan.

Maximum UV Index Levels in Haishan for April

The chart shows the monthly maximum UV Index (UVI) for Haishan 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 Haishan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212121311875
Data source: Haishan 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 Haishan Compares to Other Months

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

This table compares monthly weather conditions in Haishan, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)39 mm (1.5 inches)68%high
February Weather10°C (51°F)49 mm (1.9 inches)73%very high
March Weather14°C (58°F)95 mm (3.7 inches)80%very high
April Weather18°C (65°F)86 mm (3.4 inches)86%extreme
May Weather23°C (73°F)152 mm (6.0 inches)88%extreme
June Weather26°C (78°F)246 mm (9.7 inches)89%extreme
July Weather29°C (85°F)197 mm (7.7 inches)91%extreme
August Weather30°C (85°F)207 mm (8.1 inches)88%extreme
September Weather27°C (81°F)118 mm (4.6 inches)78%extreme
October Weather22°C (72°F)123 mm (4.9 inches)79%very high
November Weather17°C (63°F)71 mm (2.8 inches)80%high
December Weather12°C (53°F)37 mm (1.5 inches)80%moderate

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