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February Weather in San Carlos, United States

Last updated: June 24, 2025

In San Carlos, United States, the average temperature in February hovers around 18°C (65°F). However, temperatures can range significantly, with a minimum of -5°C (24°F) and a maximum of 37°C (98°F). During this month, expect precipitation of 22 mm (0.9 in) spread over approximately 6 days, coupled with an average humidity of 79%.

February Temperature in San Carlos

In February in San Carlos, the average temperature is 18°C (65°F). Maximum temperatures can reach 37°C (98°F), while minimums can drop as low as -5°C (24°F). Pack accordingly for a varied climate, as you'll experience both warm and potentially chilly weather during your travels.

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

The chart illustrates February temperature patterns in San Carlos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Carlos, February typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (98°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec626572778285868783776964
Data source: Temperature data for San Carlos 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.

February Precipitation in San Carlos

In San Carlos in February, the precipitation amount is 22 mm (0.9 in) over a span of 6 days.

February Precipitation Trends in San Carlos

The chart displays monthly precipitation patterns in San Carlos, 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 Carlos, February typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2322323086879728101583022
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in San Carlos

In San Carlos in February, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

February Average Humidity in San Carlos

This chart illustrates the average monthly humidity levels in San Carlos, 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 Carlos is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%79%76%77%80%73%66%65%73%76%80%86%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in San Carlos

In San Carlos in February, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Carlos.

Maximum UV Index Levels in San Carlos for February

The chart shows the monthly maximum UV Index (UVI) for San Carlos 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 Carlos typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6910111212121211976
Data source: San Carlos 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 Carlos Compares to Other Months

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

This table compares monthly weather conditions in San Carlos, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)22 mm (0.9 inches)83%high
February Weather18°C (65°F)22 mm (0.9 inches)79%very high
March Weather22°C (72°F)32 mm (1.2 inches)76%very high
April Weather25°C (77°F)30 mm (1.2 inches)77%extreme
May Weather28°C (82°F)86 mm (3.4 inches)80%extreme
June Weather29°C (85°F)87 mm (3.4 inches)73%extreme
July Weather30°C (86°F)97 mm (3.8 inches)66%extreme
August Weather31°C (88°F)28 mm (1.1 inches)65%extreme
September Weather29°C (84°F)101 mm (4.0 inches)73%extreme
October Weather25°C (77°F)58 mm (2.3 inches)76%very high
November Weather21°C (69°F)30 mm (1.2 inches)80%high
December Weather18°C (65°F)22 mm (0.8 inches)86%high

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