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May Weather in Mo Cay, Vietnam

Last updated: August 28, 2025

In May, the average temperature in Mo Cay, Vietnam is a warm 29°C (84°F). Expect a range where the minimum can drop to 25°C (76°F) and the maximum might soar up to 37°C (98°F). This month also sees significant rainfall, with 218 mm (8.6 in) of precipitation spread over 24 days, leaving the air with a balmy average humidity of 80%.

May Temperature in Mo Cay

In May in Mo Cay, the average temperature is 29°C (84°F). Maximums can reach 37°C (98°F) and minimums can drop to as low as 25°C (76°F). It's a great time to enjoy summer activities while staying hydrated and cool.

May Weather in Mo Cay: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mo Cay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mo Cay, May typically has an average temperature of 29°C (84°F), with highs reaching up to 37°C (98°F) and lows dropping to around 25°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808082848483828281818180
Data source: Temperature data for Mo Cay 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 Mo Cay

In Mo Cay in May, the precipitation amount is 218 mm (8.6 in) recorded over a span of 24 days.

May Precipitation Trends in Mo Cay

The chart displays monthly precipitation patterns in Mo Cay, 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 Mo Cay, May typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec4217178521822327729527232018883
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mo Cay

In Mo Cay in May, humidity is 80%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and heavy, as sweat clings to your skin and every step requires extra effort.

May Average Humidity in Mo Cay

This chart illustrates the average monthly humidity levels in Mo Cay, 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 Mo Cay is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%58%61%80%87%89%90%89%87%87%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mo Cay

In Mo Cay in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Mo Cay, you can check here.

Maximum UV Index Levels in Mo Cay for May

The chart shows the monthly maximum UV Index (UVI) for Mo Cay 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 Mo Cay typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101316141413131414131110
Data source: Mo Cay 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 Mo Cay Compares to Other Months

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

This table compares monthly weather conditions in Mo Cay, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)42 mm (1.6 inches)65%very high
February Weather27°C (80°F)17 mm (0.7 inches)61%extreme
March Weather28°C (83°F)17 mm (0.7 inches)58%extreme
April Weather29°C (84°F)85 mm (3.3 inches)60%extreme
May Weather29°C (84°F)218 mm (8.6 inches)80%extreme
June Weather28°C (83°F)223 mm (8.8 inches)87%extreme
July Weather28°C (82°F)277 mm (10.9 inches)89%extreme
August Weather28°C (82°F)295 mm (11.6 inches)90%extreme
September Weather27°C (82°F)272 mm (10.7 inches)89%extreme
October Weather27°C (81°F)320 mm (12.6 inches)87%extreme
November Weather27°C (81°F)188 mm (7.4 inches)87%extreme
December Weather27°C (80°F)83 mm (3.3 inches)80%very high

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