December Weather in Mount Barker

Last updated: March 2, 2024

The weather in Mount Barker, Australia, during December is characterized by an average temperature of 18°C (64°F). Highs can soar to 36°C (97°F), while lows may dip to 6°C (44°F). Typically, the humidity level in Mount Barker throughout December hovers around 69%.

6°C (44°F)

Minimum temperature

18°C (64°F)

Average temperature

36°C (97°F)

Maximum temperature

69%

Humidity

Precipitation and Sunshine hours

In December, Mount Barker averages 19 mm (0.7 inches) of rainfall, typically over the course of 3 rainy days. The month enjoys an average of 14 hours 25 minutes of daylight, with the sun shining for approximately 11 hours 40 minutes each day. Additionally, there is a 55% probability of sunny days during this period.

19 mm (0.7 inches)

Precipitation

3 rainy days

Rainy days

11 hours 40 minutes

Sunshine hours

55%

Chance of sun

UV Index

In December, the UV Index in Mount Barker reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 2 4 7 11 13 14 13 11 8 4 2 1 1
Exposure Low Moderate High Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 10 min 15 min 30 min 45 min

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