nomadseason

November Weather in Foster City, United States

Last updated: June 24, 2025

In Foster City, United States, the average temperature in November is 13°C (56°F), with a range that can dip to a minimum of 4°C (39°F) and rise to a pleasant maximum of 27°C (80°F). Expect about 47 mm (1.9 in) of precipitation spread over 5 days, and enjoy the refreshing average humidity level of 78%.

November Temperature in Foster City

In November in Foster City, the average temperature is 13°C (56°F). Maximum temperatures can reach 27°C (80°F), while the minimum can drop as low as 4°C (39°F). This moderate climate makes Foster City an ideal destination for travelers who enjoy pleasant outdoor activities.

November Weather in Foster City: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Foster City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Foster City, November typically has an average temperature of 13°C (56°F), with highs reaching up to 27°C (80°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec525354565863636565625652
Data source: Temperature data for Foster City generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

November Precipitation in Foster City

In Foster City in November, the precipitation amount is 47 mm (1.9 in) spread over a duration of 5 days.

November Precipitation Trends in Foster City

The chart displays monthly precipitation patterns in Foster City, 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 Foster City, November typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051008633242012244788
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

November Humidity in Foster City

In Foster City in November, humidity is 78%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities a bit uncomfortable, creating a heavy atmosphere that clings to the skin, urging travelers to dress in layers for warmth and comfort.

November Average Humidity in Foster City

This chart illustrates the average monthly humidity levels in Foster City, 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 Foster City is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Foster City

In Foster City in November, 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 Foster City for better planning.

Maximum UV Index Levels in Foster City for November

The chart shows the monthly maximum UV Index (UVI) for Foster City 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 Foster City typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: Foster City 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 Foster City Compares to Other Months

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

This table compares monthly weather conditions in Foster City, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)105 mm (4.1 inches)82%moderate
February Weather11°C (53°F)100 mm (3.9 inches)84%moderate
March Weather12°C (54°F)86 mm (3.4 inches)82%very high
April Weather13°C (57°F)33 mm (1.3 inches)78%very high
May Weather15°C (59°F)24 mm (0.9 inches)71%very high
June Weather17°C (63°F)2 mm (0.1 inches)64%extreme
July Weather17°C (63°F)0 mm (0.0 inches)58%extreme
August Weather18°C (65°F)0 mm (0.0 inches)54%very high
September Weather18°C (66°F)2 mm (0.1 inches)55%very high
October Weather17°C (63°F)24 mm (0.9 inches)62%high
November Weather13°C (56°F)47 mm (1.9 inches)78%moderate
December Weather11°C (52°F)88 mm (3.5 inches)80%moderate

Compare Foster City's Climate with Cities Worldwide