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
January begins with an average high-temperature of a still moderately hot 27.7°C (81.9°F), reflecting close similarity to the preceding month. January nights in Rietbron are marked by an average low-temperature of 16.2°C (61.2°F).Heat index
The average heat index in January is calculated to be 29°C (84.2°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
The months with the highest humidity are January and March, with an average relative humidity of 64%.Rainfall
In January, in Rietbron, the rain falls for 8.9 days. Throughout January, 17mm (0.67") of precipitation is accumulated. In Rietbron, during the entire year, the rain falls for 94.5 days and collects up to 172mm (6.77") of precipitation.Daylight
In January, the average length of the day is 14h and 2min.On the first day of January, sunrise is at 05:22 and sunset at 19:39. On the last day of the month, sunrise is at 05:49 and sunset at 19:31 SAST.
Sunshine
January and December, with an average of 10.9h of sunshine, are months with the most sunshine in Rietbron.UV index
The months with the highest UV index are January, February and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 6 in January translates into the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are the temperatures in Rietbron in January?
What is the most humid month in Rietbron?
What is the average humidity in January in Rietbron?
How many days does it rain in January in Rietbron?
How many hours of daylight does Rietbron have in January?
When is the sunrise / sunset in January in Rietbron?
What is the month with the most sunshine in Rietbron?
How long on average sun shines in January in Rietbron?
What are the months with the highest UV index in Rietbron?
How high is the UV index in January in Rietbron?
Average temperature in January
Rietbron, South Africa
- Average high temperature in January: 27.7°C
The warmest month (with the highest average high temperature) is February (28°C).
The month with the lowest average high temperature is June (16.8°C).
- Average low temperature in January: 16.2°C
The month with the highest average low temperature is February (16.3°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).
Average pressure in January
Rietbron, South Africa
- Average pressure in January: 1013.3mbar
The month with the highest atmospheric pressure is July (1022.3mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in January
Rietbron, South Africa
- Average wind speed in January: 10.7km/h
The windiest month (with the highest average wind speed) is June (11.5km/h).
The calmest month (with the lowest average wind speed) is April (9km/h).
Average humidity in January
Rietbron, South Africa
- Average humidity in January: 64%
The months with the highest relative humidity are January and March (64%).
The months with the lowest relative humidity are June and August (60%).
Average rainfall in January
Rietbron, South Africa
- Average rainfall in January: 17mm
The wettest month (with the highest rainfall) is October (18mm).
The driest months (with the least rainfall) are March, May and December (11mm).
Average rainfall days in January
Rietbron, South Africa
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is October (9.5 days).
The month with the least rainy days is July (6 days).
Average daylight in January /
Average sunshine in January
Rietbron, South Africa
- Average daylight in January: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in January: 10h and 5min
The months with the most sunshine are January and December (Average sunshine: 10h and 54min).
The months with the least sunshine are June and July (Average sunshine: 6h and 48min).
Average sunshine days in January
Rietbron, South Africa
- Average sunshine days in January: 20.1 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (17.8 days).
Average UV index in January
Rietbron, South Africa
- Average UV index in January: 6
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in January
Rietbron, South Africa
- Average cloud cover in January: 25
The month with the most cloud cover is October (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in January
Rietbron, South Africa
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
Rietbron, South Africa
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