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 snowfall 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
With average high and low temperatures of 28°C (82.4°F) and 16.1°C (61°F) respectively, January is Vanderbijlpark's warmest month.Heat index
In January, the heat index is calculated to be a hot 30°C (86°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in January in Vanderbijlpark is 62%.Rainfall
In Vanderbijlpark, in January, it is raining for 18.3 days, with typically 62mm (2.44") of accumulated precipitation. In Vanderbijlpark, during the entire year, the rain falls for 106.6 days and collects up to 364mm (14.33") of precipitation.Snowfall
January through July, September through December are months without snowfall.Daylight
The average length of the day in January is 13h and 36min.On the first day of January in Vanderbijlpark, sunrise is at 05:18 and sunset at 19:05. On the last day of the month, sunrise is at 05:41 and sunset at 19:02 SAST.
Sunshine
The average sunshine in January is 11.6h.UV index
January, October through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 6 in January suggests the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What month is the hottest in Vanderbijlpark?
How hot does it get in Vanderbijlpark in January?
What is the average humidity in January in Vanderbijlpark?
How much does it rain in Vanderbijlpark in January?
When it does not snow in Vanderbijlpark?
How many hours of daylight does Vanderbijlpark have in January?
When is the sunrise / sunset in January in Vanderbijlpark?
How many hours of sunshine does Vanderbijlpark have in January?
What are the months with the highest UV index in Vanderbijlpark?
How high is the UV index in January in Vanderbijlpark?
Average temperature in January
Vanderbijlpark, South Africa
- Average high temperature in January: 28°C
The warmest month (with the highest average high temperature) is January (28°C).
The months with the lowest average high temperature are June and July (17.6°C).
- Average low temperature in January: 16.1°C
The month with the highest average low temperature is December (16.4°C).
The coldest month (with the lowest average low temperature) is July (5.4°C).
Average pressure in January
Vanderbijlpark, South Africa
- Average pressure in January: 1013.3mbar
The month with the highest atmospheric pressure is July (1024.8mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in January
Vanderbijlpark, South Africa
- Average wind speed in January: 9.9km/h
The windiest months (with the highest average wind speed) are September, October and November (12.7km/h).
The calmest month (with the lowest average wind speed) is May (8.4km/h).
Average humidity in January
Vanderbijlpark, South Africa
- Average humidity in January: 62%
The month with the highest relative humidity is February (63%).
The month with the lowest relative humidity is September (32%).
Average rainfall in January
Vanderbijlpark, South Africa
- Average rainfall in January: 62mm
The wettest month (with the highest rainfall) is December (83mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in January
Vanderbijlpark, South Africa
- Average rainfall days in January: 18.3 days
The month with the highest number of rainy days is January (18.3 days).
The months with the least rainy days are June, July and August (1.8 days).
Average snowfall days in January
Vanderbijlpark, South Africa
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Vanderbijlpark, South Africa
- Average daylight in January: 13h and 4min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in January: 11h and 4min
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
Vanderbijlpark, South Africa
- Average sunshine days in January: 9.4 days
The months with the most sunshine days are July and August (28.9 days).
The month with the least sunshine days is January (9.4 days).
Average UV index in January
Vanderbijlpark, South Africa
- Average UV index in January: 6
The months with the highest UV index are January, 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
Vanderbijlpark, South Africa
- Average cloud cover in January: 24
The month with the most cloud cover is January (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Vanderbijlpark, South Africa
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Vanderbijlpark, South Africa
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