January Weather in Alta Sierra

Last updated: March 2, 2024

The weather in Alta Sierra, United States, during January is characterized by an average temperature of 4°C (39°F). Highs can soar to 16°C (61°F), while lows may dip to -6°C (21°F). Typically, the humidity level in Alta Sierra throughout January hovers around 78%.

-6°C (21°F)

Minimum temperature

4°C (39°F)

Average temperature

16°C (61°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In January, Alta Sierra averages 102 mm (4.0 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 10 hours 2 minutes of daylight, with the sun shining for approximately 5 hours 54 minutes each day. Additionally, there is a 53% probability of sunny days during this period.

102 mm (4.0 inches)

Precipitation

7 rainy days

Rainy days

5 hours 54 minutes

Sunshine hours

53%

Chance of sun

UV Index

In January, the UV Index in Alta Sierra reaches a maximum of 4, 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 1 1 2 3 4 4 4 3 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

Compare Alta Sierra's Climate with Cities Worldwide