January Weather in Arniston

Last updated: March 2, 2024

The weather in Arniston, South Africa, during January is characterized by an average temperature of 21°C (70°F). Highs can soar to 25°C (78°F), while lows may dip to 17°C (63°F). Typically, the humidity level in Arniston throughout January hovers around 79%.

17°C (63°F)

Minimum temperature

21°C (70°F)

Average temperature

25°C (78°F)

Maximum temperature

79%

Humidity

Precipitation and Sunshine hours

In January, Arniston averages 26 mm (1.0 inches) of rainfall, typically over the course of 5 rainy days. The month enjoys an average of 14 hours 9 minutes of daylight, with the sun shining for approximately 10 hours 32 minutes each day. Additionally, there is a 58% probability of sunny days during this period.

26 mm (1.0 inches)

Precipitation

5 rainy days

Rainy days

10 hours 32 minutes

Sunshine hours

58%

Chance of sun

UV Index

In January, the UV Index in Arniston 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 3 5 9 12 13 14 12 9 6 3 1 1
Exposure Low Moderate VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Arniston's Climate with Cities Worldwide