January Weather in Williston

Last updated: March 2, 2024

The weather in Williston, South Africa, during January is characterized by an average temperature of 26°C (79°F). Highs can soar to 39°C (102°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Williston throughout January hovers around 50%.

11°C (52°F)

Minimum temperature

26°C (79°F)

Average temperature

39°C (102°F)

Maximum temperature

50%

Humidity

Precipitation and Sunshine hours

In January, Williston averages 10 mm (0.4 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 13 hours 54 minutes of daylight, with the sun shining for approximately 10 hours 58 minutes each day. Additionally, there is a 86% probability of sunny days during this period.

10 mm (0.4 inches)

Precipitation

2 rainy days

Rainy days

10 hours 58 minutes

Sunshine hours

86%

Chance of sun

UV Index

In January, the UV Index in Williston reaches a maximum of 15, 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 1 3 6 9 13 15 15 13 10 7 3 1 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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