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January Weather in San Pedro, Peru

Last updated: August 27, 2025

In San Pedro, Peru, the average temperature in January hovers around 7°C (44°F), with a minimum dipping to -2°C (28°F) and a maximum rising to 18°C (64°F). Expect a substantial precipitation amount of 222 mm (8.8 in) during approximately 24 rainy days, contributing to an average humidity of 92%—perfect for a cozy indoor retreat!

January Temperature in San Pedro

In January in San Pedro, the average temperature is 7°C (44°F). The maximum can reach 18°C (64°F) and the minimum can be as low as -2°C (28°F). Travelers should be prepared for a range of weather conditions, making layers a practical choice for exploring the area.

January Weather in San Pedro: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Pedro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro, January typically has an average temperature of 7°C (44°F), with highs reaching up to 18°C (64°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec444444434139394143454645
Data source: Temperature data for San Pedro 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.

January Precipitation in San Pedro

In San Pedro in January, the total precipitation amount is 222 mm (8.8 in) over a span of 24 days.

January Precipitation Trends in San Pedro

The chart displays monthly precipitation patterns in San Pedro, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Pedro, January typically receives around 222 mm (8.8 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec223256247973612131237105157225
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Pedro

In San Pedro in January, humidity is 92%. With an average temperature of 7°C (44°F), this humidity feels like an oppressive blanket, making outdoor activities uncomfortable and travel cumbersome as the dampness seeps into your clothes and chills your bones.

January Average Humidity in San Pedro

This chart illustrates the average monthly humidity levels in San Pedro, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Pedro is approximately 92%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in San Pedro

In San Pedro in January, the maximum UV index reaches an extreme level of 23, indicating an Extreme Exposure Category. The time to burn is just 10 minutes. For detailed hourly updates on the UV index in San Pedro, you can check Hourly UV Index in San Pedro.

Maximum UV Index Levels in San Pedro for January

The chart shows the monthly maximum UV Index (UVI) for San Pedro in January, 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 January, the maximum UV index in San Pedro typically reaches 23, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec232319171411131517181919
Data source: San Pedro January 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 January Weather in San Pedro Compares to Other Months

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

This table compares monthly weather conditions in San Pedro, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)222 mm (8.8 inches)92%extreme
February Weather7°C (44°F)256 mm (10.1 inches)93%extreme
March Weather7°C (44°F)247 mm (9.7 inches)92%extreme
April Weather6°C (43°F)97 mm (3.8 inches)91%extreme
May Weather5°C (41°F)36 mm (1.4 inches)87%extreme
June Weather4°C (40°F)12 mm (0.5 inches)76%extreme
July Weather4°C (39°F)13 mm (0.5 inches)57%extreme
August Weather5°C (41°F)12 mm (0.5 inches)51%extreme
September Weather6°C (44°F)37 mm (1.5 inches)67%extreme
October Weather7°C (45°F)105 mm (4.1 inches)77%extreme
November Weather8°C (46°F)157 mm (6.2 inches)85%extreme
December Weather7°C (45°F)225 mm (8.8 inches)90%extreme

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