January Weather in Los Altos Hills

Last updated: March 2, 2024

The weather in Los Altos Hills, United States, during January is characterized by an average temperature of 11°C (52°F). Highs can soar to 19°C (66°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Los Altos Hills throughout January hovers around 82%.

4°C (39°F)

Minimum temperature

11°C (52°F)

Average temperature

19°C (66°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In January, Los Altos Hills averages 105 mm (4.1 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 9 hours 54 minutes of daylight, with the sun shining for approximately 4 hours 52 minutes each day. Additionally, there is a 39% probability of sunny days during this period.

105 mm (4.1 inches)

Precipitation

7 rainy days

Rainy days

4 hours 52 minutes

Sunshine hours

39%

Chance of sun

UV Index

In January, the UV Index in Los Altos Hills reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 1 1 2 3 3 3 3 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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