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May Weather in Diem Dien, Vietnam

Last updated: August 28, 2025

In Diem Dien, Vietnam, the average temperature in May hovers around 28°C (83°F), making it a delightful time to enjoy the outdoors. Expect temperatures to range from a comfortable 21°C (69°F) to a sweltering 36°C (97°F). However, be prepared for some rainfall, as the area experiences about 147 mm (5.8 in) of precipitation over 14 days. The average humidity sits at a warm 73%, so staying hydrated is essential!

May Temperature in Diem Dien

In May in Diem Dien, the average temperature is 28°C (83°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 21°C (69°F). This makes Diem Dien an ideal destination for travelers seeking warm weather and outdoor adventures during this time.

May Weather in Diem Dien: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Diem Dien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Diem Dien, May typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (97°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec656671768287868584787467
Data source: Temperature data for Diem Dien 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 Diem Dien

In Diem Dien in May, the total precipitation amount is 147 mm (5.8 in) over the course of 14 days.

May Precipitation Trends in Diem Dien

The chart displays monthly precipitation patterns in Diem Dien, 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 Diem Dien, May typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec312747821471562864333023056141
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Diem Dien

In Diem Dien in May, humidity is 73%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping your skin, making travel feel heavy and stifling, often requiring frequent breaks in shaded or air-conditioned areas to stay comfortable.

May Average Humidity in Diem Dien

This chart illustrates the average monthly humidity levels in Diem Dien, 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 Diem Dien is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%69%64%73%81%90%89%82%77%72%71%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Diem Dien

In Diem Dien in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Diem Dien.

Maximum UV Index Levels in Diem Dien for May

The chart shows the monthly maximum UV Index (UVI) for Diem Dien 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 Diem Dien typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131414131297
Data source: Diem Dien 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 Diem Dien Compares to Other Months

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

This table compares monthly weather conditions in Diem Dien, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (66°F)31 mm (1.2 inches)66%very high
February Weather19°C (66°F)27 mm (1.1 inches)71%very high
March Weather22°C (72°F)47 mm (1.9 inches)69%extreme
April Weather24°C (76°F)82 mm (3.2 inches)64%extreme
May Weather28°C (83°F)147 mm (5.8 inches)73%extreme
June Weather31°C (88°F)156 mm (6.1 inches)81%extreme
July Weather30°C (87°F)286 mm (11.3 inches)90%extreme
August Weather30°C (86°F)433 mm (17.1 inches)89%extreme
September Weather29°C (84°F)302 mm (11.9 inches)82%extreme
October Weather26°C (79°F)305 mm (12.0 inches)77%extreme
November Weather23°C (74°F)61 mm (2.4 inches)72%very high
December Weather19°C (67°F)41 mm (1.6 inches)71%high

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