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May Weather in Rui'an, China

Last updated: August 22, 2025

In May, the average temperature in Rui'an, China is a pleasant 22°C (72°F), with minimums dropping to 14°C (57°F) and maximums reaching a warm 30°C (86°F). Expect about 145 mm (5.7 in) of precipitation over 15 days, alongside an average humidity of 86% which contributes to the region's lush atmosphere.

May Temperature in Rui'an

In May in Rui'an, the average temperature is 22°C (72°F). Maximums can reach 30°C (86°F) and minimums can be as low as 14°C (57°F). This makes it an ideal time for travelers seeking pleasant weather for outdoor activities and exploration.

May Weather in Rui'an: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rui'an, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rui'an, May typically has an average temperature of 22°C (72°F), with highs reaching up to 30°C (86°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec515157637278838480726454
Data source: Temperature data for Rui'an 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 Rui'an

In Rui'an in May, the precipitation amount is 145 mm (5.7 in) spread over the course of 15 days.

May Precipitation Trends in Rui'an

The chart displays monthly precipitation patterns in Rui'an, 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 Rui'an, May typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec54651161041452561712351241327953
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rui'an

In Rui'an in May, humidity is 86%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket wrapping around you as you travel, making it essential to stay hydrated and seek shade during the sun's peak hours.

May Average Humidity in Rui'an

This chart illustrates the average monthly humidity levels in Rui'an, 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 Rui'an is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%73%80%85%86%86%88%86%78%79%80%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rui'an

In Rui'an in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Rui'an.

Maximum UV Index Levels in Rui'an for May

The chart shows the monthly maximum UV Index (UVI) for Rui'an 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 Rui'an typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212131211975
Data source: Rui'an 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 Rui'an Compares to Other Months

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

This table compares monthly weather conditions in Rui'an, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)54 mm (2.1 inches)73%high
February Weather10°C (51°F)65 mm (2.6 inches)73%very high
March Weather14°C (57°F)116 mm (4.6 inches)80%very high
April Weather17°C (64°F)104 mm (4.1 inches)85%extreme
May Weather22°C (72°F)145 mm (5.7 inches)86%extreme
June Weather25°C (78°F)256 mm (10.1 inches)86%extreme
July Weather29°C (84°F)171 mm (6.7 inches)88%extreme
August Weather29°C (84°F)235 mm (9.2 inches)86%extreme
September Weather27°C (80°F)124 mm (4.9 inches)78%extreme
October Weather22°C (72°F)132 mm (5.2 inches)79%very high
November Weather18°C (64°F)79 mm (3.1 inches)80%high
December Weather12°C (54°F)53 mm (2.1 inches)81%moderate

Compare Rui'an's Climate with Cities Worldwide