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May Weather in Pho Si Suwan, Thailand

Last updated: August 27, 2025

In May, the average temperature in Pho Si Suwan, Thailand reaches a warm 29°C (85°F). Expect a range with minimum temperatures dipping to 18°C (65°F) and maximums soaring up to 39°C (103°F). Prepare for some rainy days, as you can anticipate about 166 mm (6.5 in) of precipitation over 20 days, paired with an average humidity level of 71%.

May Temperature in Pho Si Suwan

In May, in Pho Si Suwan, the average temperature is 29°C (85°F). Maximums can reach 39°C (103°F) and minimums can drop as low as 18°C (65°F). Be prepared for warm weather and plan your activities accordingly to make the most of your trip!

May Weather in Pho Si Suwan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Pho Si Suwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pho Si Suwan, May typically has an average temperature of 29°C (85°F), with highs reaching up to 39°C (103°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec777884858585838382817976
Data source: Temperature data for Pho Si Suwan 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 Pho Si Suwan

In Pho Si Suwan in May, the precipitation amount is 166 mm (6.5 in) over the course of 20 days.

May Precipitation Trends in Pho Si Suwan

The chart displays monthly precipitation patterns in Pho Si Suwan, 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 Pho Si Suwan, May typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec5133271166141245256312182379
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Pho Si Suwan

In Pho Si Suwan in May humidity is 71%. With an average temperature of 29°C (85°F), this humidity feels like walking through a warm, damp blanket, making travel uncomfortable and sticky, and often leading to a desire for frequent breaks in shaded or air-conditioned spots.

May Average Humidity in Pho Si Suwan

This chart illustrates the average monthly humidity levels in Pho Si Suwan, 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 Pho Si Suwan is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%50%41%44%71%84%87%90%89%83%74%68%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Pho Si Suwan

In Pho Si Suwan 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 Pho Si Suwan.

Maximum UV Index Levels in Pho Si Suwan for May

The chart shows the monthly maximum UV Index (UVI) for Pho Si Suwan 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 Pho Si Suwan typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131415151314141313109
Data source: Pho Si Suwan 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 Pho Si Suwan Compares to Other Months

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

This table compares monthly weather conditions in Pho Si Suwan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)5 mm (0.2 inches)56%very high
February Weather26°C (78°F)12 mm (0.5 inches)50%extreme
March Weather29°C (84°F)32 mm (1.3 inches)41%extreme
April Weather29°C (85°F)71 mm (2.8 inches)44%extreme
May Weather29°C (85°F)166 mm (6.5 inches)71%extreme
June Weather29°C (85°F)141 mm (5.5 inches)83%extreme
July Weather28°C (84°F)245 mm (9.6 inches)87%extreme
August Weather28°C (83°F)256 mm (10.1 inches)90%extreme
September Weather28°C (83°F)312 mm (12.3 inches)89%extreme
October Weather27°C (81°F)182 mm (7.2 inches)83%extreme
November Weather26°C (79°F)37 mm (1.5 inches)74%very high
December Weather24°C (76°F)9 mm (0.4 inches)68%very high

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