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November Weather in San Ysidro, United States

Last updated: June 24, 2025

In November, the average temperature in San Ysidro, United States hovers around 13°C (56°F), with a minimum dipping to -4°C (26°F) and a maximum peaking at 28°C (83°F). Expect some light precipitation, averaging 13 mm (0.5 in) over the course of 2 days, and enjoy a relatively high humidity level of 83%.

November Temperature in San Ysidro

In November in San Ysidro, the average temperature is 13°C (56°F). Maximum temperatures can reach up to 28°C (83°F), while minimum temperatures can drop as low as -4°C (26°F). Be prepared for a wide range of temperatures when planning your travels during this month.

November Weather in San Ysidro: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in San Ysidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Ysidro, November typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (83°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec455058677583838277665546
Data source: Temperature data for San Ysidro generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

November Precipitation in San Ysidro

In San Ysidro in November, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

November Precipitation Trends in San Ysidro

The chart displays monthly precipitation patterns in San Ysidro, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In San Ysidro, November typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1315163422313324211313
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in San Ysidro

In San Ysidro in November humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

November Average Humidity in San Ysidro

This chart illustrates the average monthly humidity levels in San Ysidro, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in San Ysidro is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%65%55%54%53%55%58%70%75%83%82%
Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in San Ysidro

In San Ysidro in November, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Ysidro, you can refer to this Hourly UV Index in San Ysidro.

Maximum UV Index Levels in San Ysidro for November

The chart shows the monthly maximum UV Index (UVI) for San Ysidro in November, 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 November, the maximum UV index in San Ysidro typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211865
Data source: San Ysidro November 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 November Weather in San Ysidro Compares to Other Months

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

This table compares monthly weather conditions in San Ysidro, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)13 mm (0.5 inches)79%moderate
February Weather10°C (50°F)14 mm (0.6 inches)79%high
March Weather14°C (58°F)16 mm (0.6 inches)65%very high
April Weather20°C (67°F)3 mm (0.1 inches)55%extreme
May Weather24°C (75°F)4 mm (0.2 inches)54%extreme
June Weather28°C (84°F)22 mm (0.9 inches)53%extreme
July Weather29°C (84°F)31 mm (1.2 inches)55%extreme
August Weather28°C (83°F)33 mm (1.3 inches)57%extreme
September Weather25°C (77°F)24 mm (0.9 inches)70%extreme
October Weather19°C (66°F)21 mm (0.8 inches)75%very high
November Weather13°C (56°F)13 mm (0.5 inches)83%high
December Weather8°C (47°F)12 mm (0.5 inches)82%moderate

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