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May Weather in Chaiwan, China

Last updated: August 23, 2025

In May, the average temperature in Chaiwan, China hovers around 21°C (70°F). Expect a range from a cool 8°C (46°F) to a scorching 36°C (97°F). During this time, 122 mm (4.8 in) of precipitation may fall over about 8 days, while the air remains comfortably moist with an average humidity of 87%.

May Temperature in Chaiwan

In May, in Chaiwan, the average temperature is 21°C (70°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as 8°C (46°F). Be sure to pack both lightweight clothing for the heat and layers for the cooler evenings during your travels.

May Weather in Chaiwan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Chaiwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chaiwan, May typically has an average temperature of 21°C (70°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec394251597076828375645543
Data source: Temperature data for Chaiwan 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.

May Precipitation in Chaiwan

In Chaiwan in May, the precipitation amount is 122 mm (4.8 in) spread over 8 days.

May Precipitation Trends in Chaiwan

The chart displays monthly precipitation patterns in Chaiwan, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Chaiwan, May typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec43445164122137251177112544540
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Chaiwan

In Chaiwan in May humidity is 87%. With an average temperature of 21°C (70°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities quite exhausting and requiring frequent breaks to hydrate and cool off.

May Average Humidity in Chaiwan

This chart illustrates the average monthly humidity levels in Chaiwan, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Chaiwan is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%69%79%86%87%90%95%92%79%76%77%73%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chaiwan

In Chaiwan in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Chaiwan.

Maximum UV Index Levels in Chaiwan for May

The chart shows the monthly maximum UV Index (UVI) for Chaiwan in May, 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 May, the maximum UV index in Chaiwan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101010111110854
Data source: Chaiwan May 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 May Weather in Chaiwan Compares to Other Months

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

This table compares monthly weather conditions in Chaiwan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)43 mm (1.7 inches)67%moderate
February Weather5°C (42°F)44 mm (1.7 inches)69%high
March Weather11°C (51°F)51 mm (2.0 inches)79%very high
April Weather15°C (60°F)64 mm (2.5 inches)86%very high
May Weather21°C (70°F)122 mm (4.8 inches)87%very high
June Weather25°C (77°F)137 mm (5.4 inches)90%very high
July Weather28°C (82°F)251 mm (9.9 inches)95%extreme
August Weather28°C (83°F)177 mm (7.0 inches)92%extreme
September Weather24°C (76°F)112 mm (4.4 inches)79%very high
October Weather18°C (64°F)54 mm (2.1 inches)76%very high
November Weather13°C (55°F)45 mm (1.8 inches)77%moderate
December Weather6°C (43°F)40 mm (1.6 inches)73%moderate

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