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May Weather in Jiannan, China

Last updated: August 22, 2025

In Jiannan, China, the average temperature in May is a comfortable 21°C (71°F). However, be prepared for a range of temperatures, with a minimum of 12°C (53°F) and a maximum reaching up to 35°C (95°F). During this time, expect about 78 mm (3.1 in) of precipitation spread over 14 days, contributing to a high average humidity of 87%.

May Temperature in Jiannan

In May in Jiannan, the average temperature is 21°C (71°F). Maximums can reach 35°C (95°F), and minimums can be as low as 12°C (53°F). This pleasant climate makes Jiannan an ideal destination for travelers looking to enjoy both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Jiannan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiannan, May typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec434656647176797971615344
Data source: Temperature data for Jiannan 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 Jiannan

In Jiannan in May, the precipitation amount is 78 mm (3.1 in) over a period of 14 days.

May Precipitation Trends in Jiannan

The chart displays monthly precipitation patterns in Jiannan, 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 Jiannan, May typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec33334970781023023001681104947
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Jiannan

In Jiannan in May humidity is 87%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities seem more strenuous and necessitating frequent breaks in the shade for comfort.

May Average Humidity in Jiannan

This chart illustrates the average monthly humidity levels in Jiannan, 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 Jiannan is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%90%86%87%88%89%92%92%92%92%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Jiannan

In Jiannan 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 Jiannan.

Maximum UV Index Levels in Jiannan for May

The chart shows the monthly maximum UV Index (UVI) for Jiannan 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 Jiannan typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101212101110864
Data source: Jiannan 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 Jiannan Compares to Other Months

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

This table compares monthly weather conditions in Jiannan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)33 mm (1.3 inches)90%moderate
February Weather8°C (47°F)33 mm (1.3 inches)92%high
March Weather14°C (57°F)49 mm (1.9 inches)89%very high
April Weather18°C (64°F)70 mm (2.8 inches)85%very high
May Weather21°C (71°F)78 mm (3.1 inches)87%extreme
June Weather24°C (76°F)101 mm (4.0 inches)88%extreme
July Weather26°C (79°F)302 mm (11.9 inches)89%very high
August Weather26°C (79°F)300 mm (11.8 inches)92%extreme
September Weather22°C (71°F)168 mm (6.6 inches)92%very high
October Weather16°C (62°F)110 mm (4.3 inches)92%very high
November Weather12°C (53°F)49 mm (1.9 inches)92%high
December Weather7°C (45°F)47 mm (1.9 inches)90%moderate

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