January Weather in Chula Vista, Mexico

Last updated: August 27, 2025

In Chula Vista, Mexico, the average temperature in January hovers around 14°C (57°F). However, temperatures can vary widely, with a minimum of -2°C (28°F) and a maximum reaching 30°C (86°F). Precipitation is minimal, with about 3 mm (0.1 in) expected over 0 days, while the average humidity lingers at a comfortable 75%.

January Temperature in Chula Vista

In January in Chula Vista, the average temperature is 14°C (57°F). Maximum temperatures can reach up to 30°C (86°F), while minimum temperatures can dip as low as -2°C (28°F). Be prepared for a range of weather conditions to ensure a comfortable travel experience.

January Weather in Chula Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Chula Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chula Vista, January typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (28°F).

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

January Precipitation in Chula Vista

In Chula Vista in January, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

January Precipitation Trends in Chula Vista

The chart displays monthly precipitation patterns in Chula Vista, 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 Chula Vista, January typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 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 Chula Vista

In Chula Vista in January, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

January Average Humidity in Chula Vista

This chart illustrates the average monthly humidity levels in Chula Vista, 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 Chula Vista is approximately 75%, 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 Chula Vista

In Chula Vista in January, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Chula Vista.

Maximum UV Index Levels in Chula Vista for January

The chart shows the monthly maximum UV Index (UVI) for Chula Vista 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 Chula Vista typically reaches 7, which falls under the high exposure category.

Data source: Chula Vista 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 Chula Vista Compares to Other Months

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

This table compares monthly weather conditions in Chula Vista, 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 (57°F)	3 mm (0.1 inches)	75%	high
February Weather	18°C (64°F)	3 mm (0.1 inches)	65%	very high
March Weather	21°C (71°F)	7 mm (0.3 inches)	59%	extreme
April Weather	25°C (78°F)	2 mm (0.1 inches)	59%	extreme
May Weather	29°C (84°F)	7 mm (0.3 inches)	65%	extreme
June Weather	30°C (86°F)	13 mm (0.5 inches)	69%	extreme
July Weather	29°C (85°F)	17 mm (0.7 inches)	66%	extreme
August Weather	29°C (85°F)	15 mm (0.6 inches)	60%	extreme
September Weather	26°C (80°F)	32 mm (1.3 inches)	80%	extreme
October Weather	23°C (75°F)	29 mm (1.2 inches)	83%	very high
November Weather	18°C (65°F)	5 mm (0.2 inches)	86%	very high
December Weather	14°C (58°F)	12 mm (0.5 inches)	86%	high