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January Weather in San Sebastian, Colombia

Last updated: August 23, 2025

In January, the average temperature in San Sebastian, Colombia is a mild 14°C (57°F), with minimums dipping to 4°C (39°F) and maximums reaching up to 23°C (73°F). Expect around 150 mm (5.9 in) of precipitation over approximately 20 days, coupled with an average humidity of 72%, making for a pleasantly humid climate.

January Temperature in San Sebastian

In January in San Sebastian, the average temperature is 14°C (57°F). Maximum temperatures can reach 23°C (73°F), while the minimum can drop to as low as 4°C (39°F). Be sure to pack layers to stay comfortable while exploring.

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

The chart illustrates January temperature patterns in San Sebastian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Sebastian, January typically has an average temperature of 14°C (57°F), with highs reaching up to 23°C (73°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec575857575757555657575857
Data source: Temperature data for San Sebastian 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 Sebastian

In San Sebastian in January, the precipitation amount is 150 mm (5.9 in) over a span of 20 days.

January Precipitation Trends in San Sebastian

The chart displays monthly precipitation patterns in San Sebastian, 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 Sebastian, January typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec150177211174174126896863126211156
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Sebastian

In San Sebastian in January humidity is 72%. With an average temperature of 14°C (57°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and requiring careful planning to stay hydrated and enjoy your travels.

January Average Humidity in San Sebastian

This chart illustrates the average monthly humidity levels in San Sebastian, 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 Sebastian is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%66%74%83%93%93%84%61%53%67%78%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Sebastian

In San Sebastian in January, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in San Sebastian.

Maximum UV Index Levels in San Sebastian for January

The chart shows the monthly maximum UV Index (UVI) for San Sebastian 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 Sebastian typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161718181614151515161513
Data source: San Sebastian 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 Sebastian Compares to Other Months

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

This table compares monthly weather conditions in San Sebastian, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)150 mm (5.9 inches)72%extreme
February Weather14°C (58°F)176 mm (6.9 inches)66%extreme
March Weather14°C (58°F)211 mm (8.3 inches)74%extreme
April Weather14°C (58°F)174 mm (6.9 inches)83%extreme
May Weather14°C (58°F)174 mm (6.9 inches)93%extreme
June Weather14°C (57°F)126 mm (4.9 inches)93%extreme
July Weather13°C (56°F)89 mm (3.5 inches)84%extreme
August Weather13°C (56°F)68 mm (2.7 inches)61%extreme
September Weather14°C (57°F)62 mm (2.5 inches)53%extreme
October Weather14°C (58°F)126 mm (5.0 inches)67%extreme
November Weather14°C (58°F)211 mm (8.3 inches)78%extreme
December Weather14°C (58°F)156 mm (6.2 inches)85%extreme

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