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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 21°C (69°F), with a comfortable range from a minimum of 18°C (64°F) to a maximum of 25°C (77°F). Expect some moisture, as the area sees about 22 mm (0.9 in) of precipitation over 7 days. Humidity levels can be quite high, averaging a steamy 91%.

January Temperature in Santa Rosa

In January in Santa Rosa, the average temperature is 21°C (69°F), with maximums reaching 25°C (77°F) and minimums dropping to 18°C (64°F). This mild weather makes it an ideal time for travelers to explore and enjoy outdoor activities in Santa Rosa.

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 21°C (69°F), with highs reaching up to 25°C (77°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec697170686463616160616366
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 22 mm (0.9 in) over the course of 7 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 22 mm (0.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec222321878998779
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 21°C (69°F), this humidity feels like walking through a warm, damp embrace, making travel a sweaty endeavor as the air clings to your skin and the slightest movement requires extra effort.

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 is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santa Rosa, you can check here.

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 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516141110101113141414
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 Weather21°C (69°F)22 mm (0.9 inches)91%extreme
February Weather21°C (71°F)23 mm (0.9 inches)90%extreme
March Weather21°C (71°F)21 mm (0.8 inches)91%extreme
April Weather20°C (68°F)8 mm (0.3 inches)89%extreme
May Weather18°C (65°F)7 mm (0.3 inches)85%extreme
June Weather17°C (63°F)8 mm (0.3 inches)65%very high
July Weather16°C (62°F)9 mm (0.3 inches)47%very high
August Weather16°C (61°F)9 mm (0.4 inches)38%extreme
September Weather16°C (61°F)8 mm (0.3 inches)40%extreme
October Weather16°C (62°F)7 mm (0.3 inches)56%extreme
November Weather17°C (63°F)7 mm (0.3 inches)76%extreme
December Weather19°C (66°F)9 mm (0.3 inches)90%extreme

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