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January Weather in San Pedro, Argentina

Last updated: August 22, 2025

In San Pedro, Argentina, the average temperature in January is a pleasant 25°C (77°F). While you can enjoy warm days, be prepared for temperature swings—from a crisp 11°C (52°F) on cooler days to sizzling highs of 42°C (108°F). Expect some rain with 72 mm (2.8 in) of precipitation spread across 7 days, and a comfortable average humidity of 54% to keep things refreshing.

January Temperature in San Pedro

In January in San Pedro, the average temperature is 25°C (77°F). Maximums can reach 42°C (108°F), while minimums can drop as low as 11°C (52°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates January temperature patterns in San Pedro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro, January typically has an average temperature of 25°C (77°F), with highs reaching up to 42°C (108°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec777470655853515459637074
Data source: Temperature data for San Pedro 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 Pedro

In San Pedro in January, the total precipitation amount is 72 mm (2.8 in) over the course of 7 days.

January Precipitation Trends in San Pedro

The chart displays monthly precipitation patterns in San Pedro, 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 Pedro, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec72841011147532434671897477
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Pedro

In San Pedro in January humidity is 54%. With an average temperature of 25°C (77°F), this humidity feels like a comfortable yet slightly sticky embrace, perfect for exploring the vibrant streets and enjoying leisurely outdoor activities without feeling overheated.

January Average Humidity in San Pedro

This chart illustrates the average monthly humidity levels in San Pedro, 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 Pedro is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec54%61%69%79%85%82%69%65%70%63%61%63%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Pedro

In San Pedro 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 San Pedro, you can check here.

Maximum UV Index Levels in San Pedro for January

The chart shows the monthly maximum UV Index (UVI) for San Pedro 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 Pedro typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854468111314
Data source: San Pedro 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 Pedro Compares to Other Months

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

This table compares monthly weather conditions in San Pedro, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)72 mm (2.8 inches)54%extreme
February Weather23°C (75°F)84 mm (3.3 inches)61%extreme
March Weather21°C (71°F)101 mm (4.0 inches)69%extreme
April Weather19°C (66°F)114 mm (4.5 inches)79%very high
May Weather14°C (58°F)75 mm (3.0 inches)85%moderate
June Weather12°C (53°F)32 mm (1.3 inches)82%moderate
July Weather11°C (51°F)43 mm (1.7 inches)69%moderate
August Weather12°C (54°F)46 mm (1.8 inches)65%high
September Weather15°C (59°F)71 mm (2.8 inches)70%very high
October Weather17°C (64°F)89 mm (3.5 inches)63%extreme
November Weather21°C (70°F)74 mm (2.9 inches)60%extreme
December Weather24°C (75°F)77 mm (3.0 inches)63%extreme

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