May Weather in Sainyabuli, Laos

Last updated: August 23, 2025

In May, the average temperature in Sainyabuli, Laos hovers around 27°C (80°F), with minimums dipping to 20°C (68°F) and maximums soaring to 38°C (100°F). Expect 118 mm (4.7 in) of precipitation spread over 20 days, while the average humidity lingers at a comfortable 66%.

May Temperature in Sainyabuli

In May in Sainyabuli, the average temperature is 27°C (80°F), with maximums reaching 38°C (100°F) and minimums dropping as low as 20°C (68°F). It's a great time for travelers to enjoy warm weather while exploring the beautiful sights of Sainyabuli.

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

The chart illustrates May temperature patterns in Sainyabuli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sainyabuli, May typically has an average temperature of 27°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec687176788080797979777368
Data source: Temperature data for Sainyabuli 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 Sainyabuli

In Sainyabuli in May, the total precipitation amount reaches 118 mm (4.7 in) over the course of 20 days.

May Precipitation Trends in Sainyabuli

The chart displays monthly precipitation patterns in Sainyabuli, 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 Sainyabuli, May typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec241616901182323374232621642417
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sainyabuli

In Sainyabuli in May, humidity is 66%. With an average temperature of 27°C (80°F), this humidity feels like a warm, sticky embrace, making travel a bit more challenging as you may find yourself perspiring more quickly while exploring, but it's also perfect for a refreshing dip in nearby waters.

May Average Humidity in Sainyabuli

This chart illustrates the average monthly humidity levels in Sainyabuli, 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 Sainyabuli is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%53%45%39%66%79%90%92%85%72%64%60%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sainyabuli

In Sainyabuli 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 Sainyabuli, you can check here.

Maximum UV Index Levels in Sainyabuli for May

The chart shows the monthly maximum UV Index (UVI) for Sainyabuli 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 Sainyabuli typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111313141415151412108
Data source: Sainyabuli 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 Sainyabuli Compares to Other Months

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

This table compares monthly weather conditions in Sainyabuli, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)24 mm (1.0 inches)57%very high
February Weather22°C (71°F)16 mm (0.6 inches)53%extreme
March Weather25°C (76°F)16 mm (0.6 inches)45%extreme
April Weather26°C (79°F)90 mm (3.6 inches)39%extreme
May Weather27°C (80°F)118 mm (4.7 inches)66%extreme
June Weather27°C (80°F)232 mm (9.1 inches)79%extreme
July Weather26°C (80°F)337 mm (13.3 inches)90%extreme
August Weather26°C (79°F)423 mm (16.7 inches)92%extreme
September Weather26°C (79°F)262 mm (10.3 inches)85%extreme
October Weather25°C (77°F)164 mm (6.5 inches)72%extreme
November Weather23°C (74°F)24 mm (0.9 inches)64%very high
December Weather20°C (68°F)17 mm (0.7 inches)60%very high

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