nomadseason

December Weather in San Jose, Colombia

Last updated: August 23, 2025

In December, the average temperature in San Jose, Colombia is a warm 26°C (79°F). Temperatures can range from a comfortable minimum of 21°C (71°F) to a sizzling maximum of 33°C (91°F). With a precipitation amount of 309 mm (12.2 in) spread over 31 days, expect plenty of rain along with an average humidity of 86%, adding to the tropical feel of the region.

December Temperature in San Jose

In December in San Jose, the average temperature is 26°C (79°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 21°C (71°F). This comfortable weather makes San Jose an ideal destination for travelers seeking pleasant conditions and outdoor activities.

December Weather in San Jose: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, December typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980807979797978787879
Data source: Temperature data for San Jose generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in San Jose

In San Jose in December, the total precipitation amount is 309 mm (12.2 in) over the course of 31 days.

December Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In San Jose, December typically receives around 309 mm (12.2 inches) of precipitation spread over approximately 31 days.
JanFebMarAprMayJunJulAugSepOctNovDec350326312425363264181185214251277309
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in San Jose

In San Jose in December, humidity is 86%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket clinging to your skin, making even short walks a challenge and turning travel into a sticky, sweat-inducing experience.

December Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in San Jose is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%91%88%87%84%78%80%88%90%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Jose

In San Jose in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Jose.

Maximum UV Index Levels in San Jose for December

The chart shows the monthly maximum UV Index (UVI) for San Jose in December, 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 December, the maximum UV index in San Jose typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415151412131313131211
Data source: San Jose December 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 December Weather in San Jose Compares to Other Months

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

This table compares monthly weather conditions in San Jose, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)350 mm (13.8 inches)89%extreme
February Weather26°C (80°F)326 mm (12.8 inches)90%extreme
March Weather27°C (80°F)312 mm (12.3 inches)91%extreme
April Weather26°C (80°F)425 mm (16.7 inches)88%extreme
May Weather26°C (80°F)363 mm (14.3 inches)87%extreme
June Weather26°C (79°F)264 mm (10.4 inches)84%extreme
July Weather26°C (79°F)181 mm (7.1 inches)78%extreme
August Weather26°C (79°F)185 mm (7.3 inches)80%extreme
September Weather26°C (79°F)214 mm (8.4 inches)88%extreme
October Weather26°C (79°F)251 mm (9.9 inches)90%extreme
November Weather26°C (79°F)277 mm (10.9 inches)89%extreme
December Weather26°C (79°F)309 mm (12.2 inches)86%extreme

Compare San Jose's Climate with Cities Worldwide