January Weather in Manteca, United States

Last updated: June 24, 2025

In January, the average temperature in Manteca, United States hovers around 10°C (50°F). Expect a chilly minimum of -1°C (30°F), contrasting with the warm peak of 24°C (75°F). With 92 mm (3.6 in) of precipitation spread over 8 days, it's wise to come prepared for some rain. Overall, you'll experience a comfortable average humidity of 82%, perfect for embracing the local atmosphere.

January Temperature in Manteca

In January in Manteca, the average temperature is 10°C (50°F). Maximums can reach 24°C (75°F), while minimums can drop as low as -1°C (30°F). This variation in temperature makes it essential for travelers to pack layers to ensure comfort during their stay.

January Weather in Manteca: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Manteca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manteca, January typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (75°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Manteca

In Manteca in January, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

January Precipitation Trends in Manteca

The chart displays monthly precipitation patterns in Manteca, 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 Manteca, January typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 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 Manteca

In Manteca in January, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.

January Average Humidity in Manteca

This chart illustrates the average monthly humidity levels in Manteca, 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 Manteca is approximately 82%, 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 Manteca

In Manteca in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Manteca, you can check the information here.

Maximum UV Index Levels in Manteca for January

The chart shows the monthly maximum UV Index (UVI) for Manteca 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 Manteca typically reaches 3, which falls under the moderate exposure category.

Data source: Manteca 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 Manteca Compares to Other Months

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

This table compares monthly weather conditions in Manteca, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	92 mm (3.6 inches)	82%	moderate
February Weather	11°C (53°F)	73 mm (2.9 inches)	84%	moderate
March Weather	13°C (56°F)	75 mm (3.0 inches)	82%	very high
April Weather	17°C (63°F)	34 mm (1.3 inches)	78%	very high
May Weather	20°C (69°F)	16 mm (0.6 inches)	71%	very high
June Weather	25°C (76°F)	1 mm (0.1 inches)	64%	extreme
July Weather	26°C (79°F)	0 mm (0.0 inches)	58%	extreme
August Weather	25°C (78°F)	0 mm (0.0 inches)	54%	very high
September Weather	23°C (74°F)	2 mm (0.1 inches)	55%	very high
October Weather	18°C (65°F)	21 mm (0.8 inches)	62%	high
November Weather	13°C (56°F)	33 mm (1.3 inches)	78%	moderate
December Weather	10°C (50°F)	78 mm (3.1 inches)	80%	moderate