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August Weather in San Mateo, Mexico

Last updated: August 27, 2025

In August, the average temperature in San Mateo, Mexico hovers around 27°C (82°F), making it a warm destination. Expect minimum temperatures of 23°C (74°F) and maximum highs reaching 33°C (92°F). However, be prepared for frequent rainfall, with precipitation averaging 272 mm (10.7 in) over 24 days. Overall, you'll experience an average humidity of 74%, contributing to a lush and vibrant atmosphere.

August Temperature in San Mateo

In August in San Mateo, the average temperature is 27°C (82°F). Maximums can reach 33°C (92°F), and minimums can be as low as 23°C (74°F). This pleasant and warm weather makes San Mateo an ideal destination for travelers looking to enjoy outdoor activities.

August Weather in San Mateo: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in San Mateo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Mateo, August typically has an average temperature of 27°C (82°F), with highs reaching up to 33°C (92°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec737373727580828180807875
Data source: Temperature data for San Mateo 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 San Mateo

In San Mateo in August, the total precipitation amount is 272 mm (10.7 in), spread over 24 days.

August Precipitation Trends in San Mateo

The chart displays monthly precipitation patterns in San Mateo, 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 San Mateo, August typically receives around 272 mm (10.7 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec1419001116100272253174268
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Mateo

In San Mateo in August, humidity is 74%. With an average temperature of 27°C (82°F), this humidity makes traveling feel quite sticky and oppressive, making it essential to stay hydrated and seek shade frequently.

August Average Humidity in San Mateo

This chart illustrates the average monthly humidity levels in San Mateo, 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 San Mateo is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%70%71%72%73%74%73%74%73%72%69%70%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Mateo

In San Mateo 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 San Mateo.

Maximum UV Index Levels in San Mateo for August

The chart shows the monthly maximum UV Index (UVI) for San Mateo 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 San Mateo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131313131213131297
Data source: San Mateo 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 San Mateo Compares to Other Months

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

This table compares monthly weather conditions in San Mateo, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)14 mm (0.6 inches)68%very high
February Weather23°C (73°F)19 mm (0.7 inches)70%very high
March Weather23°C (73°F)0 mm (0.0 inches)70%extreme
April Weather22°C (73°F)0 mm (0.0 inches)72%extreme
May Weather24°C (76°F)1 mm (0.1 inches)73%extreme
June Weather26°C (80°F)116 mm (4.6 inches)74%extreme
July Weather28°C (82°F)100 mm (3.9 inches)73%extreme
August Weather27°C (82°F)272 mm (10.7 inches)74%extreme
September Weather27°C (81°F)253 mm (10.0 inches)73%extreme
October Weather27°C (80°F)174 mm (6.8 inches)72%extreme
November Weather25°C (78°F)26 mm (1.0 inches)69%very high
December Weather24°C (75°F)8 mm (0.3 inches)70%high

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