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May Weather in Phongsali, Laos

Last updated: August 23, 2025

In Phongsali, Laos, the average temperature in May is a pleasant 25°C (77°F). However, be prepared for a range, as temperatures can dip to a minimum of 15°C (59°F) and soar up to a maximum of 39°C (102°F). Expect some rain too, with an average precipitation of 152 mm (6.0 in) over 15 days. The average humidity hovers around 60%, making the atmosphere feel tropical and vibrant.

May Temperature in Phongsali

In May in Phongsali, the average temperature is 25°C (77°F), with maximums reaching up to 39°C (102°F) and minimums dropping as low as 15°C (59°F). It's a great time to visit for warm weather enthusiasts, but be prepared for some temperature fluctuations during your stay.

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

The chart illustrates May temperature patterns in Phongsali, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phongsali, May typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (102°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec616369727678777776726761
Data source: Temperature data for Phongsali 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 Phongsali

In Phongsali in May, the precipitation amount is 152 mm (6.0 in) over the course of 15 days.

May Precipitation Trends in Phongsali

The chart displays monthly precipitation patterns in Phongsali, 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 Phongsali, May typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec4635481791522553633612001394545
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Phongsali

In Phongsali in May humidity is 60%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet requiring some effort to stay cool while exploring.

May Average Humidity in Phongsali

This chart illustrates the average monthly humidity levels in Phongsali, 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 Phongsali is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%57%48%41%60%80%92%92%84%71%68%64%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Phongsali

In Phongsali in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Phongsali.

Maximum UV Index Levels in Phongsali for May

The chart shows the monthly maximum UV Index (UVI) for Phongsali 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 Phongsali typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9101212151415141412108
Data source: Phongsali 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 Phongsali Compares to Other Months

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

This table compares monthly weather conditions in Phongsali, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)46 mm (1.8 inches)57%very high
February Weather17°C (63°F)35 mm (1.4 inches)57%very high
March Weather21°C (70°F)48 mm (1.9 inches)48%extreme
April Weather22°C (72°F)179 mm (7.1 inches)41%extreme
May Weather25°C (77°F)152 mm (6.0 inches)60%extreme
June Weather25°C (78°F)255 mm (10.0 inches)80%extreme
July Weather25°C (77°F)363 mm (14.3 inches)92%extreme
August Weather25°C (77°F)361 mm (14.2 inches)92%extreme
September Weather24°C (76°F)200 mm (7.9 inches)83%extreme
October Weather22°C (72°F)139 mm (5.5 inches)71%extreme
November Weather19°C (67°F)45 mm (1.8 inches)68%very high
December Weather16°C (61°F)45 mm (1.8 inches)64%very high

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