January Weather in Port Saint John's

Last updated: March 2, 2024

The weather in Port Saint John's, South Africa, during January is characterized by an average temperature of 22°C (73°F). Highs can soar to 32°C (91°F), while lows may dip to 16°C (61°F). Typically, the humidity level in Port Saint John's throughout January hovers around 88%.

16°C (61°F)

Minimum temperature

22°C (73°F)

Average temperature

32°C (91°F)

Maximum temperature

88%

Humidity

Precipitation and Sunshine hours

In January, Port Saint John's averages 101 mm (4.0 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 13 hours 55 minutes of daylight, with the sun shining for approximately 9 hours 16 minutes each day. Additionally, there is a 33% probability of sunny days during this period.

101 mm (4.0 inches)

Precipitation

15 rainy days

Rainy days

9 hours 16 minutes

Sunshine hours

33%

Chance of sun

UV Index

In January, 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 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 10 13 14 13 11 7 4 2 1 0
Exposure Low Moderate High VeryHigh Extreme High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 25 min 30 min 45 min

Compare Port Saint John's's Climate with Cities Worldwide