December Weather in Portland West

Last updated: March 2, 2024

The weather in Portland West, Australia, during December is characterized by an average temperature of 16°C (61°F). Highs can soar to 30°C (86°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Portland West throughout December hovers around 76%.

10°C (50°F)

Minimum temperature

16°C (61°F)

Average temperature

30°C (86°F)

Maximum temperature

76%

Humidity

Precipitation and Sunshine hours

In December, Portland West averages 44 mm (1.7 inches) of rainfall, typically over the course of 6 rainy days. The month enjoys an average of 14 hours 46 minutes of daylight, with the sun shining for approximately 11 hours 4 minutes each day. Additionally, there is a 44% probability of sunny days during this period.

44 mm (1.7 inches)

Precipitation

6 rainy days

Rainy days

11 hours 4 minutes

Sunshine hours

44%

Chance of sun

UV Index

In December, the UV Index in Portland West reaches a maximum of 14, 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 2 3 6 9 12 14 14 12 9 6 3 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

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