January Weather in San Antonio, Honduras

Last updated: August 23, 2025

In San Antonio, Honduras during January, the average temperature is a pleasant 21°C (71°F). Expect lows of 13°C (55°F) and highs reaching up to 32°C (90°F). However, be prepared for some rainfall, with an average precipitation of 155 mm (6.1 in) over 16 days. The atmosphere can feel quite humid, with an average humidity level of 78%.

January Temperature in San Antonio

In January in San Antonio, the average temperature is 21°C (71°F), with maximums reaching 32°C (90°F) and minimums dipping as low as 13°C (55°F). This mild climate makes San Antonio an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

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

The chart illustrates January temperature patterns in San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio, January typically has an average temperature of 21°C (71°F), with highs reaching up to 32°C (90°F) and lows dropping to around 13°C (55°F).

Data source: Temperature data for San Antonio generated using information from the Copernicus Climate Change Service.

January Precipitation in San Antonio

In San Antonio, in January, the total precipitation amount is 155 mm (6.1 in) spread over 16 days.

January Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, 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 Antonio, January typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in San Antonio

In San Antonio in January humidity is 78%. With an average temperature of 21°C (71°F), this humidity feels like a warm blanket wrapped around you, making travel a bit more challenging as it can lead to a sticky, heavy sensation, dampening the enjoyment of outdoor activities.

January Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, 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 Antonio is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Antonio

In San Antonio in January, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Antonio.

Maximum UV Index Levels in San Antonio for January

The chart shows the monthly maximum UV Index (UVI) for San Antonio 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 Antonio typically reaches 10, which falls under the very high exposure category.

Data source: San Antonio 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 Antonio Compares to Other Months

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

This table compares monthly weather conditions in San Antonio, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (71°F)	155 mm (6.1 inches)	78%	very high
February Weather	22°C (72°F)	80 mm (3.1 inches)	74%	extreme
March Weather	23°C (74°F)	67 mm (2.6 inches)	67%	extreme
April Weather	25°C (77°F)	71 mm (2.8 inches)	61%	extreme
May Weather	26°C (79°F)	135 mm (5.3 inches)	59%	extreme
June Weather	26°C (79°F)	207 mm (8.1 inches)	61%	extreme
July Weather	26°C (78°F)	133 mm (5.2 inches)	68%	extreme
August Weather	25°C (78°F)	175 mm (6.9 inches)	70%	extreme
September Weather	25°C (78°F)	183 mm (7.2 inches)	75%	extreme
October Weather	24°C (76°F)	281 mm (11.1 inches)	81%	extreme
November Weather	22°C (73°F)	333 mm (13.1 inches)	82%	very high
December Weather	21°C (71°F)	179 mm (7.1 inches)	75%	very high