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January Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In January, the average temperature in Santa Rosa, Peru is a delightful 19°C (66°F), with lows dipping to a comfortable 14°C (57°F) and highs reaching up to a warm 28°C (83°F). Visitors should be prepared for some rain, as the area experiences approximately 453 mm (17.8 in) of precipitation over 25 days in the month. With an average humidity of 91%, the air is sure to feel pleasantly tropical!

January Temperature in Santa Rosa

In January in Santa Rosa, the average temperature is 19°C (66°F). Maximums can reach 28°C (83°F) and minimums can be as low as 14°C (57°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

January Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, January typically has an average temperature of 19°C (66°F), with highs reaching up to 28°C (83°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec666666666565646466666767
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in January, the precipitation amount reaches 453 mm (17.8 in) over the course of 25 days.

January Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, January typically receives around 453 mm (17.8 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec4534713692761461148888128214333412
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Santa Rosa

In Santa Rosa in January humidity is 91%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket, making travel uncomfortable and muggy, causing sweat to accumulate and sticking to clothes, which can dampen the joy of exploring.

January Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa 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 Santa Rosa

In Santa Rosa in January, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Santa Rosa, you can check Hourly UV Index in Santa Rosa.

Maximum UV Index Levels in Santa Rosa for January

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171717161311111314161716
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)453 mm (17.8 inches)91%extreme
February Weather19°C (66°F)471 mm (18.5 inches)90%extreme
March Weather19°C (66°F)369 mm (14.5 inches)91%extreme
April Weather19°C (66°F)276 mm (10.9 inches)89%extreme
May Weather18°C (65°F)146 mm (5.7 inches)85%extreme
June Weather18°C (65°F)114 mm (4.5 inches)65%extreme
July Weather18°C (64°F)88 mm (3.5 inches)47%extreme
August Weather18°C (64°F)88 mm (3.5 inches)38%extreme
September Weather19°C (66°F)127 mm (5.0 inches)40%extreme
October Weather19°C (67°F)213 mm (8.4 inches)56%extreme
November Weather19°C (67°F)333 mm (13.1 inches)76%extreme
December Weather19°C (67°F)412 mm (16.2 inches)90%extreme

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