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January Weather in Santa Clara, United States

Last updated: June 24, 2025

In January, the average temperature in Santa Clara, United States hovers around 10°C (51°F). Expect lows of 0°C (32°F) and highs reaching 24°C (75°F). The region sees about 145 mm (5.7 in) of precipitation over 8 days, contributing to an average humidity of 82%. Stay prepared for a typically cool and wet month!

January Temperature in Santa Clara

In January in Santa Clara, the average temperature is 10°C (51°F). Maximum temperatures can reach 24°C (75°F), while minimum temperatures can drop as low as 0°C (32°F). This climate makes Santa Clara a great destination for travelers seeking mild weather and the opportunity to enjoy both warm and cool experiences.

January Weather in Santa Clara: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Santa Clara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Clara, January typically has an average temperature of 10°C (51°F), with highs reaching up to 24°C (75°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec505153565964666766635550
Data source: Temperature data for Santa Clara 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.

January Precipitation in Santa Clara

In Santa Clara in January, the precipitation amount is 145 mm (5.7 in) over a span of 8 days.

January Precipitation Trends in Santa Clara

The chart displays monthly precipitation patterns in Santa Clara, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Santa Clara, January typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec145133114372410132556116
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Santa Clara

In Santa Clara in January humidity is 82%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures less appealing and prompting travelers to seek cozy indoor activities or warm drinks to counter the brisk air.

January Average Humidity in Santa Clara

This chart illustrates the average monthly humidity levels in Santa Clara, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Santa Clara is approximately 82%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Santa Clara

In Santa Clara in January, 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 Santa Clara for better planning.

Maximum UV Index Levels in Santa Clara for January

The chart shows the monthly maximum UV Index (UVI) for Santa Clara in January, 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 January, the maximum UV index in Santa Clara typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111111109753
Data source: Santa Clara January 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 January Weather in Santa Clara Compares to Other Months

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

This table compares monthly weather conditions in Santa Clara, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)145 mm (5.7 inches)82%moderate
February Weather11°C (52°F)133 mm (5.2 inches)84%moderate
March Weather11°C (53°F)114 mm (4.5 inches)82%very high
April Weather13°C (56°F)37 mm (1.4 inches)78%very high
May Weather15°C (59°F)24 mm (0.9 inches)71%extreme
June Weather18°C (64°F)1 mm (0.0 inches)64%extreme
July Weather19°C (66°F)0 mm (0.0 inches)58%extreme
August Weather19°C (67°F)0 mm (0.0 inches)54%very high
September Weather19°C (67°F)3 mm (0.1 inches)55%very high
October Weather17°C (63°F)25 mm (1.0 inches)62%high
November Weather13°C (56°F)56 mm (2.2 inches)78%moderate
December Weather10°C (50°F)116 mm (4.6 inches)80%moderate

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