July Weather in San Mateo, Mexico

Last updated: August 27, 2025

In July, the average temperature in San Mateo, Mexico is a delightful 28°C (82°F), making it a perfect time to enjoy outdoor activities. Expect temperatures to range from a comfortable 23°C (73°F) to a warm 33°C (92°F). However, be prepared for some rain, as the area receives about 100 mm (3.9 in) of precipitation over 16 days. With an average humidity of 73%, it’s wise to stay hydrated and make the most of this vibrant season!

July Temperature in San Mateo

In July in San Mateo, the average temperature is 28°C (82°F). Maximums can reach 33°C (92°F), while minimums can be as low as 23°C (73°F). This makes it a perfect time for travelers to enjoy warm weather and outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 28°C (82°F), with highs reaching up to 33°C (92°F) and lows dropping to around 23°C (73°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.

July Precipitation in San Mateo

In San Mateo in July, the total precipitation amount reaches 100 mm (3.9 in) over the course of 16 days.

July Precipitation Trends in San Mateo

The chart displays monthly precipitation patterns in San Mateo, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In San Mateo, July typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1419001116100272253174268
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in San Mateo

In San Mateo in July humidity is 73%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making traveling feel sticky and heavier; staying hydrated and taking breaks in the shade becomes essential.

July Average Humidity in San Mateo

This chart illustrates the average monthly humidity levels in San Mateo, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in San Mateo is approximately 73%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in San Mateo

In San Mateo in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Mateo.

Maximum UV Index Levels in San Mateo for July

The chart shows the monthly maximum UV Index (UVI) for San Mateo in July, 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 July, the maximum UV index in San Mateo typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131313131213131297
Data source: San Mateo July 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 July 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 July’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 July’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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