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May Weather in Heihe, China

Last updated: August 23, 2025

In May, the average temperature in Heihe, China hovers around 2°C (35°F), with extremes ranging from a chilly -18°C (1°F) to a mild 16°C (62°F). Expect about 56 mm (2.2 in) of precipitation spread over 14 days, contributing to an average humidity of a refreshing 80%.

May Temperature in Heihe

In May in Heihe, the average temperature is 2°C (35°F). Maximum temperatures can reach up to 16°C (62°F), while minimums can drop as low as -18°C (1°F). Be prepared for a wide range of temperatures when traveling to Heihe during this time.

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

The chart illustrates May temperature patterns in Heihe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heihe, May typically has an average temperature of 2°C (35°F), with highs reaching up to 16°C (62°F) and lows dropping to around -18°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec591826354448484128146
Data source: Temperature data for Heihe 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 Heihe

In Heihe in May, the precipitation amount is 56 mm (2.2 in) over a span of 14 days.

May Precipitation Trends in Heihe

The chart displays monthly precipitation patterns in Heihe, 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 Heihe, May typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1113233556117841359957169
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Heihe

In Heihe in May humidity is 80%. With an average temperature of 2°C (35°F), this humidity feels like a heavy, damp chill that clings to your skin, making outdoor excursions uncomfortable and your clothes feel soggy, while constantly reminding you to seek shelter indoors to escape the oppressive moisture in the air.

May Average Humidity in Heihe

This chart illustrates the average monthly humidity levels in Heihe, 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 Heihe is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%78%77%73%80%85%87%89%88%82%73%67%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Heihe

In Heihe in May, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in Heihe.

Maximum UV Index Levels in Heihe for May

The chart shows the monthly maximum UV Index (UVI) for Heihe 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 Heihe typically reaches 18, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47111318161515131085
Data source: Heihe 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 Heihe Compares to Other Months

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

This table compares monthly weather conditions in Heihe, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-15°C (5°F)11 mm (0.5 inches)71%moderate
February Weather-13°C (10°F)13 mm (0.5 inches)78%high
March Weather-8°C (19°F)23 mm (0.9 inches)77%extreme
April Weather-3°C (26°F)35 mm (1.4 inches)73%extreme
May Weather2°C (35°F)56 mm (2.2 inches)80%extreme
June Weather6°C (44°F)117 mm (4.6 inches)85%extreme
July Weather9°C (49°F)84 mm (3.3 inches)87%extreme
August Weather9°C (48°F)135 mm (5.3 inches)89%extreme
September Weather5°C (41°F)99 mm (3.9 inches)88%extreme
October Weather-2°C (29°F)56 mm (2.2 inches)82%very high
November Weather-10°C (14°F)16 mm (0.6 inches)73%very high
December Weather-15°C (6°F)9 mm (0.4 inches)67%moderate

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