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January Weather in San Nicolas de los Arroyos, Argentina

Last updated: August 22, 2025

In San Nicolas de los Arroyos, Argentina, the average temperature in January is a warm 25°C (78°F). However, temperatures can vary significantly, with a minimum of 12°C (54°F) and a scorching maximum of 42°C (107°F). During this month, expect about 105 mm (4.1 in) of precipitation spread across 7 days, accompanied by an average humidity of 48%.

January Temperature in San Nicolas de los Arroyos

In January in San Nicolas de los Arroyos, the average temperature is 25°C (78°F). Maximums can reach 42°C (107°F), and minimums can be as low as 12°C (54°F). This makes it an ideal time for travelers seeking warm weather but also a good idea to prepare for a range of temperatures during your visit.

January Weather in San Nicolas de los Arroyos: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Nicolas de los Arroyos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Nicolas de los Arroyos, January typically has an average temperature of 25°C (78°F), with highs reaching up to 42°C (107°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec787571665954525560647175
Data source: Temperature data for San Nicolas de los Arroyos 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 Nicolas de los Arroyos

In San Nicolas de los Arroyos in January, the precipitation amount is 105 mm (4.1 in) over a period of 7 days.

January Precipitation Trends in San Nicolas de los Arroyos

The chart displays monthly precipitation patterns in San Nicolas de los Arroyos, 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 Nicolas de los Arroyos, January typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec10569841247029334169677074
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Nicolas de los Arroyos

In San Nicolas de los Arroyos in January humidity is 48%. With an average temperature of 25°C (78°F), this humidity feels like a comfortable embrace, making it a pleasant time for exploring the area.

January Average Humidity in San Nicolas de los Arroyos

This chart illustrates the average monthly humidity levels in San Nicolas de los Arroyos, 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 Nicolas de los Arroyos is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec48%55%64%76%82%77%62%59%62%52%56%51%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Nicolas de los Arroyos

In San Nicolas de los Arroyos 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 Nicolas de los Arroyos, you can check here.

Maximum UV Index Levels in San Nicolas de los Arroyos for January

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

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

This table compares monthly weather conditions in San Nicolas de los Arroyos, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)105 mm (4.1 inches)48%extreme
February Weather24°C (75°F)69 mm (2.7 inches)55%extreme
March Weather22°C (71°F)84 mm (3.3 inches)64%extreme
April Weather19°C (67°F)124 mm (4.9 inches)76%very high
May Weather15°C (59°F)70 mm (2.8 inches)82%moderate
June Weather12°C (54°F)29 mm (1.1 inches)77%moderate
July Weather11°C (52°F)33 mm (1.3 inches)62%moderate
August Weather13°C (55°F)41 mm (1.6 inches)59%high
September Weather16°C (60°F)69 mm (2.7 inches)62%very high
October Weather18°C (65°F)67 mm (2.6 inches)52%extreme
November Weather22°C (71°F)70 mm (2.8 inches)56%extreme
December Weather24°C (75°F)74 mm (2.9 inches)51%extreme

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