January Weather in San Jose, Panama

Last updated: August 27, 2025

In January, the average temperature in San Jose, Panama is a pleasant 26°C (79°F). Expect warm days with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 32°C (89°F). Be prepared for some rainfall, as the area receives about 29 mm (1.2 in) of precipitation over 7 days. With an average humidity of 72%, the weather has a comfortably tropical feel.

January Temperature in San Jose

In January in San Jose, the average temperature is 26°C (79°F), with maximums reaching up to 32°C (89°F) and minimums dropping to as low as 22°C (71°F). This pleasant climate makes San Jose an ideal destination for travelers seeking warm and comfortable weather.

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

The chart illustrates January 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, January typically has an average temperature of 26°C (79°F), with highs reaching up to 32°C (89°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980818079797979797879
Data source: Temperature data for San Jose 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 Jose

In San Jose in January, the precipitation amount is 29 mm (1.2 in) over the course of 7 days.

January Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, 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 Jose, January typically receives around 29 mm (1.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2914207126226827025125327026290
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Jose

In San Jose in January, humidity is 72%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel a bit more strenuous but also adding a tropical charm to your travels.

January Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, 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 Jose is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%71%69%70%73%90%89%87%87%86%86%79%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Jose

In San Jose in January, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Jose.

Maximum UV Index Levels in San Jose for January

The chart shows the monthly maximum UV Index (UVI) for San Jose 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 Jose typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151513131313131210
Data source: San Jose 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 Jose Compares to Other Months

Weather in San Jose varies notably across the year, with each month offering distinct climate conditions. This page compares January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)29 mm (1.2 inches)72%extreme
February Weather26°C (80°F)14 mm (0.5 inches)71%extreme
March Weather27°C (80°F)20 mm (0.8 inches)69%extreme
April Weather27°C (81°F)71 mm (2.8 inches)70%extreme
May Weather27°C (80°F)262 mm (10.3 inches)73%extreme
June Weather26°C (80°F)268 mm (10.5 inches)90%extreme
July Weather26°C (80°F)270 mm (10.6 inches)88%extreme
August Weather26°C (80°F)251 mm (9.9 inches)87%extreme
September Weather26°C (79°F)253 mm (10.0 inches)87%extreme
October Weather26°C (79°F)270 mm (10.6 inches)86%extreme
November Weather26°C (79°F)262 mm (10.3 inches)86%extreme
December Weather26°C (79°F)90 mm (3.6 inches)79%very high

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