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January Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In January, the average temperature in Santa Rosa, Peru hovers around 17°C (63°F). Expect a cool minimum of 10°C (51°F) and a warm maximum reaching up to 27°C (81°F). Rainfall can be frequent, with an average precipitation of 75 mm (3.0 in) spread over 16 days, and the atmosphere is quite humid, boasting an average humidity of 83%.

January Temperature in Santa Rosa

In January in Santa Rosa, the average temperature is 17°C (63°F). Maximums can reach 27°C (81°F), while minimums can be as low as 10°C (51°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 17°C (63°F), with highs reaching up to 27°C (81°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec636363636362616163646564
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 is 75 mm (3.0 in) occurring over the course of 16 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 75 mm (3.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec751091521014026312621467961
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 83%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable, as the air clings to the skin and creates a heavy atmosphere, often leading to fatigue and a longing for the cooling relief of shade or air conditioning.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%88%85%78%62%44%38%42%58%69%82%
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 is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the 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 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161718171512131317161615
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 Weather17°C (63°F)75 mm (3.0 inches)83%extreme
February Weather17°C (64°F)109 mm (4.3 inches)81%extreme
March Weather17°C (63°F)152 mm (6.0 inches)88%extreme
April Weather17°C (63°F)101 mm (4.0 inches)85%extreme
May Weather17°C (63°F)40 mm (1.6 inches)78%extreme
June Weather17°C (62°F)26 mm (1.0 inches)62%extreme
July Weather16°C (61°F)31 mm (1.2 inches)44%extreme
August Weather16°C (62°F)26 mm (1.0 inches)38%extreme
September Weather17°C (63°F)21 mm (0.8 inches)42%extreme
October Weather18°C (65°F)46 mm (1.8 inches)58%extreme
November Weather18°C (65°F)79 mm (3.1 inches)69%extreme
December Weather18°C (64°F)61 mm (2.4 inches)82%extreme

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