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
January
Weather in January
Temperature
Ga-Rankuwa's January weather, marked by an average high temperature of 30.1°C (86.2°F) and an average low temperature of 19°C (66.2°F), is the warmest in the year.Heat index
January's heat index is calculated to be a tropical 33°C (91.4°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.The metrics for the heat index are tailored for both shady environments and light winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. 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
The months with the highest humidity are January and February, with an average relative humidity of 59%.Rainfall
The month with the most rainfall is January, when the rain falls for 17.8 days and typically aggregates up to 74mm (2.91") of precipitation.Daylight
In Ga-Rankuwa, the average length of the day in January is 13h and 31min.On the first day of January, sunrise is at 05:20 and sunset at 19:02. On the last day of the month, sunrise is at 05:42 and sunset at 18:59 SAST.
Sunshine
In January, the average sunshine is 11.4h.UV index
The months with the highest UV index in Ga-Rankuwa are January through March, September through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: In January, an average UV index of 6 transforms into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
How hot is January?
What are the most humid months?
What is the average humidity in January?
What is the rainiest month?
How much does it rain in January?
What is the average length of the day in January in Ga-Rankuwa?
When is the sunrise / sunset in January?
How many hours of sunshine does Ga-Rankuwa have in January?
What are the months with the highest UV index?
How high is the UV index in January?
Average temperature in January
Ga-Rankuwa, South Africa
- Average high temperature in January: 30.1°C
The warmest month (with the highest average high temperature) is January (30.1°C).
The month with the lowest average high temperature is June (19.8°C).
- Average low temperature in January: 19°C
The month with the highest average low temperature is January (19°C).
The coldest month (with the lowest average low temperature) is July (7.3°C).
Average pressure in January
Ga-Rankuwa, South Africa
- Average pressure in January: 1012.9mbar
The month with the highest atmospheric pressure is July (1024.5mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in January
Ga-Rankuwa, South Africa
- Average wind speed in January: 9.5km/h
The windiest month (with the highest average wind speed) is October (11.6km/h).
The calmest month (with the lowest average wind speed) is May (7.3km/h).
Average humidity in January
Ga-Rankuwa, South Africa
- Average humidity in January: 59%
The months with the highest relative humidity are January and February (59%).
The month with the lowest relative humidity is September (34%).
Average rainfall in January
Ga-Rankuwa, South Africa
- Average rainfall in January: 74mm
The wettest month (with the highest rainfall) is January (74mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in January
Ga-Rankuwa, South Africa
- Average rainfall days in January: 17.8 days
The month with the highest number of rainy days is January (17.8 days).
The months with the least rainy days are July and August (0.8 days).
Average daylight in January /
Average sunshine in January
Ga-Rankuwa, 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 2min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in January
Ga-Rankuwa, South Africa
- Average sunshine days in January: 9.9 days
The month with the most sunshine days is July (30.3 days).
The month with the least sunshine days is January (9.9 days).
Average UV index in January
Ga-Rankuwa, South Africa
- Average UV index in January: 6
The months with the highest UV index are January, February, March, September, 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
Ga-Rankuwa, South Africa
- Average cloud cover in January: 25
The month with the most cloud cover is January (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Ga-Rankuwa, 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).
