December Weather in Sam Rayburn

Last updated: March 2, 2024

The weather in Sam Rayburn, United States, during December is characterized by an average temperature of 13°C (55°F). Highs can soar to 26°C (79°F), while lows may dip to 1°C (34°F). Typically, the humidity level in Sam Rayburn throughout December hovers around 88%.

1°C (34°F)

Minimum temperature

13°C (55°F)

Average temperature

26°C (79°F)

Maximum temperature

88%

Humidity

Precipitation and Sunshine hours

In December, Sam Rayburn averages 133 mm (5.3 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 10 hours 9 minutes of daylight, with the sun shining for approximately 6 hours 40 minutes each day. Additionally, there is a 31% probability of sunny days during this period.

133 mm (5.3 inches)

Precipitation

10 rainy days

Rainy days

6 hours 40 minutes

Sunshine hours

31%

Chance of sun

UV Index

In December, the UV Index in Sam Rayburn 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 Sam Rayburn's Climate with Cities Worldwide