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
Temperature readings reach their annual highs in January, averaging 30.1°C (86.2°F) and a minimum average of 19°C (66.2°F).Heat index
For most parts of January, the heat index is appraised at a hot 33°C (91.4°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Heat index determinations are made taking into account the shade and light air movements. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
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 in Ga-Rankuwa is January, when the rain falls for 17.8 days and typically aggregates up to 74mm (2.91") of precipitation.Daylight
The average length of the day in January in Ga-Rankuwa is 13h and 31min.On the first day of the month, sunrise is at 05:20 and sunset at 19:02. On the last day of January, in Ga-Rankuwa, South Africa, sunrise is at 05:42 and sunset at 18:59 SAST.
Sunshine
The average sunshine in January in Ga-Rankuwa is 11.4h.UV index
January through March, September through December, with an average maximum UV index of 6, are months with the highest UV index in Ga-Rankuwa. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 6 in January transforms into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What part of the year is the hottest in Ga-Rankuwa?
How hot is it in Ga-Rankuwa in January?
What is the most humid month in Ga-Rankuwa?
What is the average humidity in January in Ga-Rankuwa?
What is the wettest month in Ga-Rankuwa?
How much does it rain in Ga-Rankuwa in January?
What is the average length of the day in January in Ga-Rankuwa?
When is the sunrise / sunset in January in Ga-Rankuwa?
How many hours of sunshine does Ga-Rankuwa have in January?
What is the month with the highest UV index in Ga-Rankuwa?
How high is the UV index in January in Ga-Rankuwa?
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).
Ga-Rankuwa, South Africa
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