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August Weather in San Cristobal, Peru

Last updated: August 27, 2025

In August, the average temperature in San Cristobal, Peru is a chilly 3°C (37°F), with potential dips to a frigid -6°C (21°F) and highs reaching up to 13°C (55°F). Expect approximately 45 mm (1.8 in) of precipitation over about 12 days, all while experiencing an average humidity of 38%. Prepare for a brisk month ahead!

August Temperature in San Cristobal

In August in San Cristobal, the average temperature is 3°C (37°F), with maximums reaching 13°C (55°F) and minimums dipping as low as -6°C (21°F). Be prepared for chilly conditions and pack accordingly for your travels!

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

The chart illustrates August temperature patterns in San Cristobal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Cristobal, August typically has an average temperature of 3°C (37°F), with highs reaching up to 13°C (55°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec404040393837363738394140
Data source: Temperature data for San Cristobal 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 Cristobal

In San Cristobal in August, the precipitation amount is 45 mm (1.8 in) over the course of 12 days.

August Precipitation Trends in San Cristobal

The chart displays monthly precipitation patterns in San Cristobal, 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 Cristobal, August typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec2192552941469132264599157197236
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Cristobal

In San Cristobal in August humidity is 38%. With an average temperature of 3°C (37°F), this humidity feels like a brisk morning walk, refreshing yet invigorating, making it an ideal time for exploring the outdoors without the discomfort of excessive heat.

August Average Humidity in San Cristobal

This chart illustrates the average monthly humidity levels in San Cristobal, 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 Cristobal is approximately 38%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%91%89%85%65%47%38%40%56%76%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Cristobal

In San Cristobal in August, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Cristobal.

Maximum UV Index Levels in San Cristobal for August

The chart shows the monthly maximum UV Index (UVI) for San Cristobal 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 Cristobal typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec222021181513141518192020
Data source: San Cristobal 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 Cristobal Compares to Other Months

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

This table compares monthly weather conditions in San Cristobal, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)219 mm (8.6 inches)91%extreme
February Weather4°C (40°F)255 mm (10.0 inches)90%extreme
March Weather4°C (40°F)294 mm (11.6 inches)91%extreme
April Weather4°C (40°F)146 mm (5.8 inches)89%extreme
May Weather4°C (39°F)91 mm (3.6 inches)85%extreme
June Weather3°C (38°F)32 mm (1.3 inches)65%extreme
July Weather2°C (37°F)26 mm (1.0 inches)47%extreme
August Weather3°C (37°F)45 mm (1.8 inches)38%extreme
September Weather3°C (38°F)99 mm (3.9 inches)40%extreme
October Weather4°C (39°F)156 mm (6.2 inches)56%extreme
November Weather5°C (41°F)197 mm (7.8 inches)76%extreme
December Weather5°C (41°F)236 mm (9.3 inches)90%extreme

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