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May Weather in Si Sawat, Thailand

Last updated: August 27, 2025

In Si Sawat, Thailand, the average temperature in May rises to a warm 27°C (82°F), with temperatures dipping as low as 21°C (71°F) and occasionally soaring to a scorching 38°C (100°F). Expect 127 mm (5.0 in) of precipitation spread over 18 days, contributing to an average humidity level of 77%. Enjoy the warmth, but be prepared for occasional showers!

May Temperature in Si Sawat

In May in Si Sawat, the average temperature is 27°C (82°F). Maximums can reach 38°C (100°F), and minimums can be as low as 21°C (71°F). This climate makes Si Sawat an ideal destination for travelers seeking warm weather and sunny days.

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

The chart illustrates May temperature patterns in Si Sawat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si Sawat, May typically has an average temperature of 27°C (82°F), with highs reaching up to 38°C (100°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec767882828179787879797774
Data source: Temperature data for Si Sawat 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 Si Sawat

In Si Sawat in May, the precipitation amount is 127 mm (5.0 in) spread over 18 days.

May Precipitation Trends in Si Sawat

The chart displays monthly precipitation patterns in Si Sawat, 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 Si Sawat, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec171022781271972302732511934614
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Si Sawat

In Si Sawat in May, humidity is 77%. With an average temperature of 27°C (82°F), this humidity feels like a warm blanket wrapping around you, making travel feel heavy and slightly stifling, requiring frequent breaks and hydration to enjoy the sights comfortably.

May Average Humidity in Si Sawat

This chart illustrates the average monthly humidity levels in Si Sawat, 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 Si Sawat is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec53%54%56%65%77%87%89%89%86%79%69%60%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Si Sawat

In Si Sawat 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 Si Sawat, you can check here.

Maximum UV Index Levels in Si Sawat for May

The chart shows the monthly maximum UV Index (UVI) for Si Sawat 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 Si Sawat typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131414141414151413109
Data source: Si Sawat 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 Si Sawat Compares to Other Months

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

This table compares monthly weather conditions in Si Sawat, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)17 mm (0.7 inches)53%extreme
February Weather26°C (79°F)10 mm (0.4 inches)54%extreme
March Weather28°C (82°F)22 mm (0.9 inches)56%extreme
April Weather28°C (83°F)78 mm (3.1 inches)65%extreme
May Weather27°C (82°F)127 mm (5.0 inches)77%extreme
June Weather26°C (80°F)197 mm (7.7 inches)86%extreme
July Weather25°C (78°F)230 mm (9.0 inches)89%extreme
August Weather25°C (78°F)273 mm (10.7 inches)89%extreme
September Weather26°C (79°F)251 mm (9.9 inches)86%extreme
October Weather26°C (79°F)193 mm (7.6 inches)78%extreme
November Weather25°C (78°F)46 mm (1.8 inches)69%very high
December Weather24°C (75°F)14 mm (0.5 inches)60%very high

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