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July Weather in Santo Tomas, Peru

Last updated: August 27, 2025

In Santo Tomas, Peru, the average temperature in July hovers around 5°C (42°F). Expect a chill in the air, with minimums dipping to -10°C (14°F) and maximums reaching up to 16°C (62°F). During this month, precipitation is relatively light at 10 mm (0.4 in) over just 2 days, while the average humidity sits comfortably at 57%. Whether you're exploring or relaxing indoors, be prepared for a blend of crisp temperatures and occasional dampness!

July Temperature in Santo Tomas

In July in Santo Tomas, the average temperature is 5°C (42°F). Maximum temperatures can reach 16°C (62°F), while minimums can drop as low as -10°C (14°F). Be prepared for a mix of chilly days and milder weather, perfect for layering up and exploring the sights.

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

The chart illustrates July 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, July typically has an average temperature of 5°C (42°F), with highs reaching up to 16°C (62°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec464646454241414446474847
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.

July Precipitation in Santo Tomas

In Santo Tomas in July, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

July Precipitation Trends in Santo Tomas

The chart displays monthly precipitation patterns in Santo Tomas, 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 Santo Tomas, July typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2132562397925810114083127212
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Santo Tomas

In Santo Tomas in July humidity is 57%. With an average temperature of 5°C (42°F), this humidity feels like a chilly embrace that can make outdoor activities uncomfortable and brisk, potentially requiring layers to stay warm while exploring.

July Average Humidity in Santo Tomas

This chart illustrates the average monthly humidity levels in Santo Tomas, 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 Santo Tomas is approximately 57%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%92%91%87%76%57%51%67%77%85%90%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Santo Tomas

In Santo Tomas in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Santo Tomas 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 Santo Tomas typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec212222171411131517181921
Data source: Santo Tomas 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 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)213 mm (8.4 inches)92%extreme
February Weather8°C (46°F)256 mm (10.1 inches)93%extreme
March Weather8°C (46°F)239 mm (9.4 inches)92%extreme
April Weather7°C (45°F)79 mm (3.1 inches)91%extreme
May Weather6°C (43°F)25 mm (1.0 inches)87%extreme
June Weather5°C (42°F)8 mm (0.3 inches)76%extreme
July Weather5°C (42°F)10 mm (0.4 inches)57%extreme
August Weather6°C (44°F)11 mm (0.4 inches)51%extreme
September Weather8°C (46°F)40 mm (1.6 inches)67%extreme
October Weather8°C (47°F)83 mm (3.3 inches)77%extreme
November Weather9°C (48°F)127 mm (5.0 inches)85%extreme
December Weather8°C (47°F)211 mm (8.3 inches)90%extreme

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