February Weather in San Diego, United States

Last updated: June 24, 2025

In San Diego, United States, the average temperature in February hovers around 16°C (61°F). Temperatures can vary significantly, with a minimum of -8°C (18°F) and a scorching maximum of 37°C (98°F). Expect about 24 mm (1.0 in) of precipitation spread over 6 days, alongside a notable average humidity of 79%.

February Temperature in San Diego

In February in San Diego, the average temperature is 16°C (61°F). Maximums can reach 37°C (98°F) while minimums can drop to as low as -8°C (18°F). Be prepared for a wide range of temperatures when traveling during this month.

February Weather in San Diego: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in San Diego, 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, February typically has an average temperature of 16°C (61°F), with highs reaching up to 37°C (98°F) and lows dropping to around -8°C (18°F).

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

February Precipitation in San Diego

In San Diego in February, the precipitation amount is 24 mm (1.0 in) spread over a period of 6 days.

February Precipitation Trends in San Diego

The chart displays monthly precipitation patterns in San Diego, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In San Diego, February typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in San Diego

In San Diego in February humidity is 79%. With an average temperature of 16°C (61°F), this humidity feels like a warm, moist embrace, making travel a bit more challenging as the air tends to weigh heavily, but it also offers a refreshing atmosphere perfect for exploring local sights and enjoying nature.

February Average Humidity in San Diego

This chart illustrates the average monthly humidity levels in San Diego, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in San Diego is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in San Diego

In San Diego in February, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in San Diego.

Maximum UV Index Levels in San Diego for February

The chart shows the monthly maximum UV Index (UVI) for San Diego in February, 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 February, the maximum UV index in San Diego typically reaches 8, which falls under the very high exposure category.

Data source: San Diego February 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 February Weather in San Diego Compares to Other Months

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

This table compares monthly weather conditions in San Diego, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	27 mm (1.1 inches)	83%	high
February Weather	16°C (61°F)	24 mm (1.0 inches)	79%	very high
March Weather	21°C (69°F)	54 mm (2.1 inches)	76%	very high
April Weather	24°C (75°F)	41 mm (1.6 inches)	77%	extreme
May Weather	27°C (81°F)	99 mm (3.9 inches)	80%	extreme
June Weather	29°C (84°F)	88 mm (3.4 inches)	73%	extreme
July Weather	30°C (86°F)	79 mm (3.1 inches)	66%	extreme
August Weather	30°C (87°F)	52 mm (2.1 inches)	65%	extreme
September Weather	28°C (82°F)	104 mm (4.1 inches)	73%	extreme
October Weather	24°C (76°F)	44 mm (1.7 inches)	76%	very high
November Weather	19°C (66°F)	37 mm (1.4 inches)	80%	high
December Weather	16°C (61°F)	38 mm (1.5 inches)	86%	moderate