December Weather in Glenbrook

Last updated: March 2, 2024

The weather in Glenbrook, Australia, during December is characterized by an average temperature of 20°C (68°F). Highs can soar to 36°C (97°F), while lows may dip to 10°C (51°F). Typically, the humidity level in Glenbrook throughout December hovers around 68%.

10°C (51°F)

Minimum temperature

20°C (68°F)

Average temperature

36°C (97°F)

Maximum temperature

68%

Humidity

Precipitation and Sunshine hours

In December, Glenbrook averages 122 mm (4.8 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 14 hours 20 minutes of daylight, with the sun shining for approximately 10 hours 31 minutes each day. Additionally, there is a 35% probability of sunny days during this period.

122 mm (4.8 inches)

Precipitation

16 rainy days

Rainy days

10 hours 31 minutes

Sunshine hours

35%

Chance of sun

UV Index

In December, the UV Index in Glenbrook reaches a maximum of 15, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 1 3 5 8 12 14 15 13 11 7 4 2 1
Exposure Low Moderate VeryHigh Extreme High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 25 min 30 min 45 min

Compare Glenbrook's Climate with Cities Worldwide