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October Weather in San Carlos, United States

Last updated: June 24, 2025

In October, the average temperature in San Carlos, United States hovers around 24°C (76°F). Expect minimums dipping to 6°C (43°F) and highs soaring up to 40°C (105°F). With an average humidity of 67%, your comfort level will vary. Don't forget your umbrella, as there’s 21 mm (0.8 in) of precipitation expected over 2 days.

October Temperature in San Carlos

In October in San Carlos, the average temperature is 24°C (76°F). The maximum can reach 40°C (105°F), while the minimum can drop as low as 6°C (43°F). This diverse range of temperatures makes it essential for travelers to pack accordingly.

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

The chart illustrates October 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, October typically has an average temperature of 24°C (76°F), with highs reaching up to 40°C (105°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec545764748192949488756555
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.

October Precipitation in San Carlos

In San Carlos in October, the precipitation amount is 21 mm (0.8 in) over a period of 2 days.

October Precipitation Trends in San Carlos

The chart displays monthly precipitation patterns in San Carlos, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In San Carlos, October typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec243623223373524211926
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Carlos

In San Carlos in October humidity is 67%. With an average temperature of 24°C (76°F), this humidity feels like a warm, steamy embrace, making travel slightly more challenging as you navigate through the thick air.

October Average Humidity in San Carlos

This chart illustrates the average monthly humidity levels in San Carlos, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in San Carlos is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Carlos

In San Carlos in October, 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 Carlos.

Maximum UV Index Levels in San Carlos for October

The chart shows the monthly maximum UV Index (UVI) for San Carlos in October, 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 October, the maximum UV index in San Carlos typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112111110854
Data source: San Carlos October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)24 mm (0.9 inches)76%moderate
February Weather14°C (57°F)36 mm (1.4 inches)79%high
March Weather18°C (65°F)23 mm (0.9 inches)67%very high
April Weather24°C (75°F)2 mm (0.1 inches)55%extreme
May Weather27°C (82°F)2 mm (0.1 inches)40%extreme
June Weather33°C (92°F)3 mm (0.1 inches)33%extreme
July Weather35°C (95°F)37 mm (1.5 inches)34%extreme
August Weather34°C (94°F)35 mm (1.4 inches)48%extreme
September Weather31°C (88°F)24 mm (0.9 inches)64%very high
October Weather24°C (76°F)21 mm (0.8 inches)67%very high
November Weather19°C (66°F)19 mm (0.7 inches)77%moderate
December Weather13°C (55°F)26 mm (1.0 inches)82%moderate

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