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February Weather in San Jose, United States

Last updated: June 24, 2025

In February, the average temperature in San Jose, United States hovers around -1°C (31°F). However, temperatures can swing dramatically, with a minimum of -26°C (-14°F) and a maximum reaching 23°C (74°F). Expect some moisture, as precipitation averages 69 mm (2.7 inches) over about 10 days. With an average humidity of 83%, it’s a chilly and damp time of year!

February Temperature in San Jose

In February in San Jose, the average temperature is -1°C (31°F), with maximums reaching 23°C (74°F) and minimums plunging as low as -26°C (-14°F). It's advisable to pack accordingly to enjoy your travels in this diverse climate.

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

The chart illustrates February temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, February typically has an average temperature of -1°C (31°F), with highs reaching up to 23°C (74°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec283143526574777470574135
Data source: Temperature data for San Jose 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 Jose

In San Jose in February, the precipitation amount is 69 mm (2.7 in) spread over a period of 10 days.

February Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, 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 Jose, February typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec676912112115213111597651156453
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in San Jose

In San Jose in February humidity is 83%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, icy blanket enveloping you, making each step outside feel like a struggle against the cold, damp air that clings to your skin, often leaving you wishing for warmth and refuge indoors.

February Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, 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 Jose is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in San Jose

In San Jose in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in San Jose.

Maximum UV Index Levels in San Jose for February

The chart shows the monthly maximum UV Index (UVI) for San Jose 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 Jose typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357810111098642
Data source: San Jose 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 Jose Compares to Other Months

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

This table compares monthly weather conditions in San Jose, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)67 mm (2.6 inches)82%moderate
February Weather-1°C (31°F)69 mm (2.7 inches)83%moderate
March Weather6°C (43°F)121 mm (4.8 inches)84%high
April Weather11°C (52°F)121 mm (4.8 inches)85%very high
May Weather18°C (65°F)152 mm (6.0 inches)79%very high
June Weather24°C (75°F)131 mm (5.2 inches)82%extreme
July Weather25°C (77°F)115 mm (4.5 inches)80%very high
August Weather23°C (74°F)97 mm (3.8 inches)81%very high
September Weather21°C (71°F)65 mm (2.6 inches)80%very high
October Weather14°C (57°F)115 mm (4.5 inches)82%high
November Weather5°C (41°F)64 mm (2.5 inches)88%moderate
December Weather2°C (36°F)53 mm (2.1 inches)84%low

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