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January Weather in San Cristobal, Peru

Last updated: August 27, 2025

In January, the average temperature in San Cristobal, Peru hovers around 4°C (40°F). Expect chilly days, as temperatures can dip to a minimum of -6°C (21°F), while occasionally reaching a maximum of 13°C (56°F). This month is also quite wet, with 219 mm (8.6 in) of precipitation spread over 25 days and an average humidity level of 91%.

January Temperature in San Cristobal

In January in San Cristobal, the average temperature is 4°C (40°F). Maximum temperatures can reach 13°C (56°F), while the minimum can drop as low as -6°C (21°F). Be sure to pack warm clothing if you're planning to travel during this time.

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

The chart illustrates January 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, January typically has an average temperature of 4°C (40°F), with highs reaching up to 13°C (56°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.

January Precipitation in San Cristobal

In San Cristobal, in January, the total precipitation amount is 219 mm (8.6 in), recorded over a span of 25 days.

January Precipitation Trends in San Cristobal

The chart displays monthly precipitation patterns in San Cristobal, 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 Cristobal, January typically receives around 219 mm (8.6 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec2192552941469132264599157197236
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Cristobal

In San Cristobal in January, humidity is 91%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor travel uncomfortable and necessitating extra layers for warmth.

January Average Humidity in San Cristobal

This chart illustrates the average monthly humidity levels in San Cristobal, 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 Cristobal is approximately 91%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in San Cristobal

In San Cristobal in January, the maximum UV index reaches 22, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures during this period. For more detailed information, you can check the hourly UV Index in San Cristobal.

Maximum UV Index Levels in San Cristobal for January

The chart shows the monthly maximum UV Index (UVI) for San Cristobal 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 Cristobal typically reaches 22, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec222021181513141518192020
Data source: San Cristobal 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 Cristobal Compares to Other Months

Weather in San Cristobal varies notably across the year, with each month offering distinct climate conditions. This page compares January’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 January’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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