January Weather in San Diego Country Estates, United States

Last updated: June 24, 2025

In January, the average temperature in San Diego Country Estates, United States hovers around 11°C (52°F). Expect a range of temperatures, with lows dipping to -1°C (31°F) and highs reaching up to 29°C (85°F). During this period, precipitation averages 66 mm (2.6 in) spread over 7 days, while the average humidity sits at a comfortable 72%.

January Temperature in San Diego Country Estates

In January, in San Diego Country Estates, the average temperature is 11°C (52°F). Maximums can reach 29°C (85°F), and minimums can drop as low as -1°C (31°F). This variation in temperature makes San Diego Country Estates an appealing destination for travelers looking to experience diverse weather conditions throughout the month.

January Weather in San Diego Country Estates: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Diego Country Estates, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Diego Country Estates, January typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (85°F) and lows dropping to around -1°C (31°F).

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

January Precipitation in San Diego Country Estates

In San Diego Country Estates in January, the precipitation amount is 66 mm (2.6 in) over a period of 7 days.

January Precipitation Trends in San Diego Country Estates

The chart displays monthly precipitation patterns in San Diego Country Estates, 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 Diego Country Estates, January typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 7 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 Diego Country Estates

In San Diego Country Estates 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 San Diego Country Estates

This chart illustrates the average monthly humidity levels in San Diego Country Estates, 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 Diego Country Estates 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 San Diego Country Estates

In San Diego Country Estates in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in San Diego Country Estates for better planning.

Maximum UV Index Levels in San Diego Country Estates for January

The chart shows the monthly maximum UV Index (UVI) for San Diego Country Estates 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 Diego Country Estates typically reaches 4, which falls under the moderate exposure category.

Data source: San Diego Country Estates 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 Diego Country Estates Compares to Other Months

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

This table compares monthly weather conditions in San Diego Country Estates, 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)	66 mm (2.6 inches)	72%	moderate
February Weather	11°C (52°F)	90 mm (3.5 inches)	77%	high
March Weather	12°C (54°F)	71 mm (2.8 inches)	67%	very high
April Weather	15°C (60°F)	30 mm (1.2 inches)	56%	extreme
May Weather	17°C (62°F)	30 mm (1.2 inches)	46%	extreme
June Weather	21°C (70°F)	3 mm (0.1 inches)	48%	extreme
July Weather	25°C (76°F)	7 mm (0.3 inches)	46%	extreme
August Weather	25°C (77°F)	4 mm (0.2 inches)	42%	extreme
September Weather	23°C (74°F)	6 mm (0.2 inches)	52%	extreme
October Weather	19°C (67°F)	15 mm (0.6 inches)	58%	very high
November Weather	15°C (60°F)	36 mm (1.4 inches)	66%	moderate
December Weather	11°C (52°F)	67 mm (2.6 inches)	74%	moderate