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January Weather in San Lorenzo, Peru

Last updated: August 27, 2025

In San Lorenzo, Peru, the average temperature in January hovers around 26°C (78°F), providing a warm atmosphere for visitors. Expect temperatures to fluctuate between a comfortable 19°C (67°F) and a sizzling 35°C (95°F). However, be prepared for some rain, as 245 mm (9.6 in) of precipitation is typical over 22 days of the month. With an average humidity of 88%, the air is often quite moist, adding to the tropical feel of the region.

January Temperature in San Lorenzo

In January in San Lorenzo, the average temperature is 26°C (78°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 19°C (67°F). This pleasant climate makes San Lorenzo an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates January temperature patterns in San Lorenzo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Lorenzo, January typically has an average temperature of 26°C (78°F), with highs reaching up to 35°C (95°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878777674757881807978
Data source: Temperature data for San Lorenzo 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 Lorenzo

In San Lorenzo in January, the total precipitation amount is 245 mm (9.6 in), occurring over the course of 22 days.

January Precipitation Trends in San Lorenzo

The chart displays monthly precipitation patterns in San Lorenzo, 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 Lorenzo, January typically receives around 245 mm (9.6 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec2452712491849838252682170229290
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Lorenzo

In San Lorenzo in January, humidity is 88%. With an average temperature of 26°C (78°F), this humidity feels like stepping into a warm, thick blanket, making travel feel heavy and sticky, where the air clings to your skin and every movement can feel laborious.

January Average Humidity in San Lorenzo

This chart illustrates the average monthly humidity levels in San Lorenzo, 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 Lorenzo is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%89%84%67%46%37%33%44%73%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Lorenzo

In San Lorenzo 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 San Lorenzo.

Maximum UV Index Levels in San Lorenzo for January

The chart shows the monthly maximum UV Index (UVI) for San Lorenzo 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 Lorenzo typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151615141210101113151615
Data source: San Lorenzo 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 Lorenzo Compares to Other Months

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

This table compares monthly weather conditions in San Lorenzo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)245 mm (9.6 inches)88%extreme
February Weather25°C (78°F)271 mm (10.7 inches)87%extreme
March Weather25°C (78°F)249 mm (9.8 inches)87%extreme
April Weather25°C (78°F)183 mm (7.2 inches)89%extreme
May Weather24°C (76°F)98 mm (3.9 inches)84%extreme
June Weather24°C (75°F)38 mm (1.5 inches)67%very high
July Weather24°C (75°F)25 mm (1.0 inches)46%very high
August Weather25°C (78°F)26 mm (1.0 inches)37%extreme
September Weather27°C (81°F)82 mm (3.2 inches)33%extreme
October Weather27°C (80°F)170 mm (6.7 inches)44%extreme
November Weather26°C (79°F)229 mm (9.0 inches)73%extreme
December Weather26°C (79°F)290 mm (11.4 inches)88%extreme

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