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January Weather in San Carlos, Uruguay

Last updated: August 28, 2025

In January, the average temperature in San Carlos, Uruguay is a pleasant 23°C (73°F). However, be prepared for a range of temperatures—from a cool minimum of 11°C (52°F) to a sizzling maximum of 39°C (102°F). During this month, you can expect about 77 mm (3.0 in) of precipitation spread over 7 days, with an average humidity level of 63%.

January Temperature in San Carlos

In January in San Carlos, the average temperature is 23°C (73°F), with maximums soaring to 39°C (102°F) and minimums dipping to as low as 11°C (52°F). Make sure to pack for a range of temperatures to fully enjoy your travels!

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

The chart illustrates January temperature patterns in San Carlos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Carlos, January typically has an average temperature of 23°C (73°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec737269655854525456606569
Data source: Temperature data for San Carlos 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 Carlos

In San Carlos in January, the precipitation amount is 77 mm (3.0 in) over the course of 7 days.

January Precipitation Trends in San Carlos

The chart displays monthly precipitation patterns in San Carlos, 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 Carlos, January typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec771006689781201059785946260
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Carlos

In San Carlos in January humidity is 63%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making outdoor excursions enjoyable yet slightly sticky, so travelers should dress lightly and stay hydrated to fully appreciate the sights.

January Average Humidity in San Carlos

This chart illustrates the average monthly humidity levels in San Carlos, 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 Carlos is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%69%73%79%83%80%72%72%76%71%68%65%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Carlos

In San Carlos 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 Carlos, you can check here.

Maximum UV Index Levels in San Carlos for January

The chart shows the monthly maximum UV Index (UVI) for San Carlos 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 Carlos typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753468111314
Data source: San Carlos 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 Carlos Compares to Other Months

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

This table compares monthly weather conditions in San Carlos, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)77 mm (3.0 inches)63%extreme
February Weather22°C (72°F)100 mm (3.9 inches)69%extreme
March Weather20°C (69°F)66 mm (2.6 inches)73%extreme
April Weather18°C (65°F)89 mm (3.5 inches)79%high
May Weather15°C (59°F)78 mm (3.1 inches)82%moderate
June Weather12°C (54°F)120 mm (4.7 inches)80%moderate
July Weather11°C (52°F)105 mm (4.2 inches)72%moderate
August Weather12°C (54°F)97 mm (3.8 inches)72%high
September Weather13°C (57°F)85 mm (3.3 inches)76%very high
October Weather15°C (60°F)94 mm (3.7 inches)71%extreme
November Weather18°C (65°F)62 mm (2.4 inches)68%extreme
December Weather21°C (69°F)60 mm (2.4 inches)65%extreme

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