Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Rustenburg experiences its highest average temperatures in January, reaching a peak of 29.3°C (84.7°F) and a minimum of 18°C (64.4°F).Heat index
During January, the heat index is evaluated at a tropical 32°C (89.6°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely vital to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In January, the average relative humidity in Rustenburg is 60%.Rainfall
In Rustenburg, in January, during 20.7 rainfall days, 83mm (3.27") of precipitation is typically accumulated. In Rustenburg, during the entire year, the rain falls for 118.3 days and collects up to 411mm (16.18") of precipitation.Daylight
In January, the average length of the day is 13h and 32min.On the first day of the month, sunrise is at 05:22 and sunset at 19:05. On the last day of January, in Rustenburg, sunrise is at 05:45 and sunset at 19:03 SAST.
Sunshine
In Rustenburg, the average sunshine in January is 11.5h.UV index
January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in January converts into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months?
How hot does it get in January?
What is the average humidity in January?
How much does it rain in January?
How many hours of daylight does Rustenburg have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the month with the highest UV index?
What is the UV index intensity in January?
Average temperature in January
Rustenburg, South Africa
- Average high temperature in January: 29.3°C
The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is July (18.9°C).
- Average low temperature in January: 18°C
The months with the highest average low temperature are January and December (18°C).
The coldest month (with the lowest average low temperature) is July (6.3°C).
Average pressure in January
Rustenburg, South Africa
- Average pressure in January: 1012.3mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in January
Rustenburg, South Africa
- Average wind speed in January: 8.1km/h
The windiest month (with the highest average wind speed) is October (10.6km/h).
The calmest months (with the lowest average wind speed) are March and May (7km/h).
Average humidity in January
Rustenburg, South Africa
- Average humidity in January: 60%
The month with the highest relative humidity is February (61%).
The month with the lowest relative humidity is September (32%).
Average rainfall in January
Rustenburg, South Africa
- Average rainfall in January: 83mm
The wettest month (with the highest rainfall) is December (95mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in January
Rustenburg, South Africa
- Average rainfall days in January: 20.7 days
The month with the highest number of rainy days is January (20.7 days).
The month with the least rainy days is August (1 days).
Average daylight in January /
Average sunshine in January
Rustenburg, South Africa
- Average daylight in January: 13h and 3min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in January: 11h and 3min
The month with the most sunshine is October (Average sunshine: 11h and 54min).
The months with the least sunshine are June and August (Average sunshine: 7h and 30min).
Average sunshine days in January
Rustenburg, South Africa
- Average sunshine days in January: 6.6 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is January (6.6 days).
Average UV index in January
Rustenburg, South Africa
- Average UV index in January: 6
The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in January
Rustenburg, South Africa
- Average cloud cover in January: 24
The months with the most cloud cover are January and December (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in January
Rustenburg, South Africa
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Rustenburg, South Africa
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