January Weather in Boulder Creek

Last updated: March 2, 2024

The weather in Boulder Creek, United States, during January is characterized by an average temperature of 10°C (51°F). Highs can soar to 20°C (68°F), while lows may dip to 1°C (34°F). Typically, the humidity level in Boulder Creek throughout January hovers around 82%.

1°C (34°F)

Minimum temperature

10°C (51°F)

Average temperature

20°C (68°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In January, Boulder Creek averages 145 mm (5.7 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 9 hours 55 minutes of daylight, with the sun shining for approximately 5 hours 12 minutes each day. Additionally, there is a 44% probability of sunny days during this period.

145 mm (5.7 inches)

Precipitation

8 rainy days

Rainy days

5 hours 12 minutes

Sunshine hours

44%

Chance of sun

UV Index

In January, the UV Index in Boulder Creek reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 4 3 3 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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