January Weather in San Francisco, Venezuela

Last updated: August 28, 2025

In January, the average temperature in San Francisco, Venezuela reaches a warm 28°C (83°F), with minimums dipping to 23°C (73°F) and maximums soaring to 36°C (97°F). Expect a light drizzle, with 8 mm (0.3 in) of precipitation spread over 2 days. The average humidity rests at a comfortable 65%, creating a pleasant atmosphere for outdoor activities.

January Temperature in San Francisco

In January, in San Francisco, the average temperature is a warm 28°C (83°F). Maximums can reach a sweltering 36°C (97°F), while minimums can drop to a comfortable 23°C (73°F). Pack lightweight clothing and stay hydrated to fully enjoy your travels in this warm climate!

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

The chart illustrates January temperature patterns in San Francisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco, January typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (97°F) and lows dropping to around 23°C (73°F).

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

January Precipitation in San Francisco

In San Francisco in January, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

January Precipitation Trends in San Francisco

The chart displays monthly precipitation patterns in San Francisco, 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 Francisco, January typically receives around 8 mm (0.3 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 Francisco

In San Francisco in January, humidity is 65%. With an average temperature of 28°C (83°F), this humidity feels like a warm, tropical embrace that can make outdoor activities feel quite sticky and draining, so it's best to stay hydrated and take regular breaks in the shade.

January Average Humidity in San Francisco

This chart illustrates the average monthly humidity levels in San Francisco, 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 Francisco is approximately 65%, 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 Francisco

In San Francisco in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Francisco.

Maximum UV Index Levels in San Francisco for January

The chart shows the monthly maximum UV Index (UVI) for San Francisco 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 Francisco typically reaches 11, which falls under the extreme exposure category.

Data source: San Francisco 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 Francisco Compares to Other Months

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

This table compares monthly weather conditions in San Francisco, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (83°F)	8 mm (0.3 inches)	65%	extreme
February Weather	29°C (84°F)	3 mm (0.1 inches)	65%	extreme
March Weather	29°C (84°F)	22 mm (0.9 inches)	64%	extreme
April Weather	29°C (85°F)	40 mm (1.6 inches)	62%	extreme
May Weather	29°C (85°F)	97 mm (3.8 inches)	63%	extreme
June Weather	29°C (85°F)	80 mm (3.2 inches)	74%	extreme
July Weather	30°C (86°F)	58 mm (2.3 inches)	81%	extreme
August Weather	30°C (86°F)	74 mm (2.9 inches)	80%	extreme
September Weather	30°C (85°F)	83 mm (3.3 inches)	76%	extreme
October Weather	29°C (84°F)	117 mm (4.6 inches)	74%	extreme
November Weather	28°C (83°F)	104 mm (4.1 inches)	72%	very high
December Weather	29°C (84°F)	13 mm (0.5 inches)	68%	very high