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June Weather in San Marcos, Peru

Last updated: August 27, 2025

In June, the average temperature in San Marcos, Peru hovers around 5°C (41°F), with temperatures dipping as low as -5°C (23°F) and reaching a maximum of 14°C (57°F). Expect about 51 mm (2.0 in) of precipitation spread over 13 days, contributing to an average humidity level of 71%. Get ready for a mix of cool air and moisture!

June Temperature in San Marcos

In June in San Marcos, the average temperature is 5°C (41°F). Maximums can reach 14°C (57°F), while minimums can drop as low as -5°C (23°F). Be prepared for chilly weather and pack accordingly if you're planning to visit.

June Weather in San Marcos: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in San Marcos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Marcos, June typically has an average temperature of 5°C (41°F), with highs reaching up to 14°C (57°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec414241414140393940414242
Data source: Temperature data for San Marcos 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.

June Precipitation in San Marcos

In San Marcos in June, the precipitation amount is 51 mm (2.0 in) spread over 13 days.

June Precipitation Trends in San Marcos

The chart displays monthly precipitation patterns in San Marcos, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In San Marcos, June typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec209224272159101514155114179194232
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in San Marcos

In San Marcos in June, humidity is 71%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm while exploring.

June Average Humidity in San Marcos

This chart illustrates the average monthly humidity levels in San Marcos, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in San Marcos is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%89%89%86%71%44%34%37%50%73%91%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in San Marcos

In San Marcos in June, 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 Marcos.

Maximum UV Index Levels in San Marcos for June

The chart shows the monthly maximum UV Index (UVI) for San Marcos in June, 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 June, the maximum UV index in San Marcos typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec212021191613151519191819
Data source: San Marcos June 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 June Weather in San Marcos Compares to Other Months

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

This table compares monthly weather conditions in San Marcos, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)209 mm (8.2 inches)88%extreme
February Weather6°C (42°F)224 mm (8.8 inches)86%extreme
March Weather5°C (42°F)272 mm (10.7 inches)89%extreme
April Weather5°C (42°F)159 mm (6.2 inches)89%extreme
May Weather5°C (41°F)101 mm (4.0 inches)86%extreme
June Weather5°C (41°F)51 mm (2.0 inches)71%extreme
July Weather4°C (39°F)41 mm (1.6 inches)44%extreme
August Weather4°C (40°F)55 mm (2.2 inches)34%extreme
September Weather4°C (40°F)114 mm (4.5 inches)37%extreme
October Weather5°C (41°F)179 mm (7.0 inches)50%extreme
November Weather6°C (42°F)194 mm (7.6 inches)73%extreme
December Weather6°C (42°F)232 mm (9.1 inches)91%extreme

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