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January Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In January, the average temperature in Santa Rosa, Peru reaches a pleasant 25°C (77°F), with lows dipping to 19°C (67°F) and highs soaring to 35°C (96°F). However, anticipate a fair amount of rain, with 259 mm (10.2 in) of precipitation falling over 22 days. Coupled with an average humidity of 80%, this month offers a tropical climate that will immerse you in a cozy, albeit damp, atmosphere.

January Temperature in Santa Rosa

In January in Santa Rosa, the average temperature is 25°C (77°F). Maximums can reach 35°C (96°F) and minimums can be as low as 19°C (67°F). This pleasant climate makes Santa Rosa a great destination for travelers seeking warm weather.

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 25°C (77°F), with highs reaching up to 35°C (96°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec777776767675747677777877
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 259 mm (10.2 in) over the course of 22 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 259 mm (10.2 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec2592533562542231751297895189303264
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 80%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, tropical rainforest where the air is thick and steamy, making even the simplest stroll feel like a workout.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%76%81%86%86%70%47%37%42%62%76%89%
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 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check 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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616161312111214151414
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 Weather25°C (77°F)259 mm (10.2 inches)80%extreme
February Weather25°C (77°F)253 mm (10.0 inches)76%extreme
March Weather25°C (77°F)356 mm (14.0 inches)81%extreme
April Weather25°C (77°F)254 mm (10.0 inches)86%extreme
May Weather24°C (76°F)223 mm (8.8 inches)86%extreme
June Weather24°C (75°F)175 mm (6.9 inches)70%extreme
July Weather24°C (75°F)129 mm (5.1 inches)47%extreme
August Weather24°C (76°F)78 mm (3.1 inches)37%extreme
September Weather25°C (78°F)95 mm (3.7 inches)42%extreme
October Weather25°C (78°F)189 mm (7.5 inches)62%extreme
November Weather25°C (78°F)302 mm (11.9 inches)76%extreme
December Weather25°C (78°F)264 mm (10.4 inches)89%extreme

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