January Weather in San Juan Capistrano, Mexico

Last updated: August 26, 2025

In January, the average temperature in San Juan Capistrano, Mexico is a pleasant 14°C (58°F). Expect a wide range, with minimums dipping as low as -1°C (31°F) and maximums peaking at 27°C (81°F). The month typically sees about 16 mm (0.6 in) of precipitation over 2 days, contributing to an average humidity of 71%.

January Temperature in San Juan Capistrano

In January in San Juan Capistrano, the average temperature is 14°C (58°F). The maximum can reach 27°C (81°F), and the minimum can be as low as -1°C (31°F). Be sure to pack layers to enjoy both warm days and chilly nights while exploring.

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

The chart illustrates January temperature patterns in San Juan Capistrano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan Capistrano, January typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (31°F).

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

January Precipitation in San Juan Capistrano

In San Juan Capistrano in January, the precipitation amount is 16 mm (0.6 in) over a period of 2 days.

January Precipitation Trends in San Juan Capistrano

The chart displays monthly precipitation patterns in San Juan Capistrano, 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 Juan Capistrano, January typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 2 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 Juan Capistrano

In San Juan Capistrano in January humidity is 71%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making it essential for travelers to pack light, breathable clothing and stay hydrated while exploring the sights.

January Average Humidity in San Juan Capistrano

This chart illustrates the average monthly humidity levels in San Juan Capistrano, 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 Juan Capistrano is approximately 71%, 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 Juan Capistrano

In San Juan Capistrano in January, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in San Juan Capistrano.

Maximum UV Index Levels in San Juan Capistrano for January

The chart shows the monthly maximum UV Index (UVI) for San Juan Capistrano 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 Juan Capistrano typically reaches 8, which falls under the very high exposure category.

Data source: San Juan Capistrano 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 Juan Capistrano Compares to Other Months

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

This table compares monthly weather conditions in San Juan Capistrano, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	16 mm (0.6 inches)	71%	very high
February Weather	16°C (61°F)	16 mm (0.6 inches)	64%	extreme
March Weather	19°C (66°F)	4 mm (0.2 inches)	49%	extreme
April Weather	20°C (69°F)	1 mm (0.0 inches)	47%	extreme
May Weather	23°C (73°F)	9 mm (0.4 inches)	55%	extreme
June Weather	23°C (74°F)	45 mm (1.8 inches)	77%	extreme
July Weather	21°C (71°F)	128 mm (5.0 inches)	82%	extreme
August Weather	22°C (72°F)	81 mm (3.2 inches)	83%	extreme
September Weather	21°C (70°F)	81 mm (3.2 inches)	86%	extreme
October Weather	20°C (69°F)	44 mm (1.7 inches)	83%	extreme
November Weather	17°C (64°F)	14 mm (0.6 inches)	80%	very high
December Weather	15°C (58°F)	12 mm (0.5 inches)	83%	very high