January Weather in Grand Terrace

Last updated: March 2, 2024

The weather in Grand Terrace, United States, during January is characterized by an average temperature of 11°C (51°F). Highs can soar to 24°C (75°F), while lows may dip to 0°C (33°F). Typically, the humidity level in Grand Terrace throughout January hovers around 72%.

0°C (33°F)

Minimum temperature

11°C (51°F)

Average temperature

24°C (75°F)

Maximum temperature

72%

Humidity

Precipitation and Sunshine hours

In January, Grand Terrace averages 70 mm (2.8 inches) of rainfall, typically over the course of 6 rainy days. The month enjoys an average of 10 hours 9 minutes of daylight, with the sun shining for approximately 6 hours 7 minutes each day. Additionally, there is a 62% probability of sunny days during this period.

70 mm (2.8 inches)

Precipitation

6 rainy days

Rainy days

6 hours 7 minutes

Sunshine hours

62%

Chance of sun

UV Index

In January, the UV Index in Grand Terrace 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

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