January Weather in Potrero, United States

Last updated: June 24, 2025

In January, the average temperature in Potrero, United States hovers around 11°C (52°F). Temperatures can dip as low as -1°C (30°F) or soar to a warm 27°C (81°F). Expect 52 mm (2.0 in) of precipitation spread over about 6 days, with an average humidity of 72%, making for a potentially damp yet mild climate.

January Temperature in Potrero

In January in Potrero, the average temperature is 11°C (52°F). The maximum can reach 27°C (81°F), while the minimum can be as low as -1°C (30°F). This wide range of temperatures means you should pack for both warm and cold weather when traveling.

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

The chart illustrates January temperature patterns in Potrero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Potrero, January typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Potrero

In Potrero, in January, the precipitation amount is 52 mm (2.0 in) over the course of 6 days.

January Precipitation Trends in Potrero

The chart displays monthly precipitation patterns in Potrero, 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 Potrero, January typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 6 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 Potrero

In Potrero in January, humidity is 72%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, often leaving travelers feeling slightly cold and clammy unless they are dressed in layers.

January Average Humidity in Potrero

This chart illustrates the average monthly humidity levels in Potrero, 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 Potrero is approximately 72%, 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 Potrero

In Potrero in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Potrero.

Maximum UV Index Levels in Potrero for January

The chart shows the monthly maximum UV Index (UVI) for Potrero 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 Potrero typically reaches 5, which falls under the moderate exposure category.

Data source: Potrero 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 Potrero Compares to Other Months

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

This table compares monthly weather conditions in Potrero, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	52 mm (2.0 inches)	72%	moderate
February Weather	10°C (51°F)	68 mm (2.7 inches)	77%	high
March Weather	11°C (53°F)	58 mm (2.3 inches)	67%	very high
April Weather	15°C (59°F)	21 mm (0.8 inches)	56%	extreme
May Weather	16°C (62°F)	22 mm (0.9 inches)	46%	extreme
June Weather	21°C (70°F)	2 mm (0.1 inches)	48%	extreme
July Weather	25°C (76°F)	11 mm (0.4 inches)	46%	extreme
August Weather	25°C (77°F)	12 mm (0.5 inches)	42%	extreme
September Weather	23°C (73°F)	8 mm (0.3 inches)	52%	extreme
October Weather	19°C (66°F)	13 mm (0.5 inches)	58%	very high
November Weather	15°C (60°F)	24 mm (1.0 inches)	66%	high
December Weather	11°C (52°F)	53 mm (2.1 inches)	74%	moderate