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August Weather in Santo Tomas, Mexico

Last updated: August 27, 2025

In August, the average temperature in Santo Tomas, Mexico is a comfortable 19°C (66°F). Expect a range from a chilly 8°C (46°F) at night to a warm 32°C (90°F) during the day. However, be prepared for 151 mm (5.9 in) of precipitation spread over 20 days, leading to an average humidity level of 78%. Don't forget your umbrella!

August Temperature in Santo Tomas

In August in Santo Tomas, the average temperature is 19°C (66°F). Maximums can reach 32°C (90°F), and minimums can be as low as 8°C (46°F). This mild climate makes it an ideal time for outdoor adventures and sightseeing.

August Weather in Santo Tomas: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Santo Tomas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Tomas, August typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec434652596571676663595143
Data source: Temperature data for Santo Tomas 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.

August Precipitation in Santo Tomas

In Santo Tomas in August, the precipitation amount is 151 mm (5.9 in) over a span of 20 days.

August Precipitation Trends in Santo Tomas

The chart displays monthly precipitation patterns in Santo Tomas, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Santo Tomas, August typically receives around 151 mm (5.9 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec131516363019015176302116
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Santo Tomas

In Santo Tomas in August, humidity is 78%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making traveling quite uncomfortable unless you're well-prepared with lightweight, breathable clothing and frequent breaks to stay hydrated.

August Average Humidity in Santo Tomas

This chart illustrates the average monthly humidity levels in Santo Tomas, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Santo Tomas is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%69%63%50%39%36%60%78%82%76%80%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Santo Tomas

In Santo Tomas in August, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santo Tomas.

Maximum UV Index Levels in Santo Tomas for August

The chart shows the monthly maximum UV Index (UVI) for Santo Tomas in August, 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 August, the maximum UV index in Santo Tomas typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69111313141313121086
Data source: Santo Tomas August 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 August Weather in Santo Tomas Compares to Other Months

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

This table compares monthly weather conditions in Santo Tomas, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)13 mm (0.5 inches)78%high
February Weather8°C (46°F)15 mm (0.6 inches)69%very high
March Weather11°C (52°F)16 mm (0.6 inches)63%extreme
April Weather15°C (59°F)2 mm (0.1 inches)49%extreme
May Weather18°C (65°F)6 mm (0.2 inches)39%extreme
June Weather22°C (71°F)30 mm (1.2 inches)36%extreme
July Weather19°C (67°F)190 mm (7.5 inches)60%extreme
August Weather19°C (66°F)151 mm (5.9 inches)78%extreme
September Weather17°C (63°F)76 mm (3.0 inches)82%extreme
October Weather15°C (59°F)30 mm (1.2 inches)76%very high
November Weather11°C (51°F)21 mm (0.8 inches)80%very high
December Weather6°C (44°F)16 mm (0.6 inches)85%high

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