December Weather in Port Saint John's

Last updated: March 2, 2024

The weather in Port Saint John's, South Africa, during December is characterized by an average temperature of 21°C (70°F). Highs can soar to 31°C (87°F), while lows may dip to 14°C (58°F). Typically, the humidity level in Port Saint John's throughout December hovers around 88%.

Precipitation and Sunshine hours

In December, Port Saint John's averages 129 mm (5.1 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 14 hours 9 minutes of daylight, with the sun shining for approximately 11 hours 32 minutes each day. Additionally, there is a 21% probability of sunny days during this period.

UV Index

In December, the UV Index in Port Saint John's reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.

Monthly weather in Port Saint John's

• Port Saint John's weather January
• Port Saint John's weather February
• Port Saint John's weather March
• Port Saint John's weather April
• Port Saint John's weather May
• Port Saint John's weather June
• Port Saint John's weather July
• Port Saint John's weather August
• Port Saint John's weather September
• Port Saint John's weather October
• Port Saint John's weather November
• Port Saint John's weather December