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 and December are the warmest months, with an average high-temperature of 30.8°C (87.4°F).Heat index
The heat index value for January is appraised at a tropical 31°C (87.8°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Bultfontein, the average relative humidity in January is 45%.Rainfall
In January, the rain falls for 12.3 days. Throughout January, 45mm (1.77") of precipitation is accumulated. In Bultfontein, during the entire year, the rain falls for 75.7 days and collects up to 259mm (10.2") of precipitation.Daylight
The average length of the day in January is 13h and 42min.On the first day of January, sunrise is at 05:21 and sunset at 19:15. On the last day of the month, sunrise is at 05:45 and sunset at 19:11 SAST.
Sunshine
The average sunshine in January in Bultfontein is 11.6h.UV index
January and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 7 during January morphs into the following directions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What month is the hottest in Bultfontein?
How hot is it in Bultfontein in January?
What is the average humidity in January in Bultfontein?
How much does it rain in Bultfontein in January?
What is the average length of the day in January in Bultfontein?
When is the sunrise / sunset in January in Bultfontein?
How many hours of sunshine does Bultfontein have in January?
What is the month with the highest UV index in Bultfontein?
What is the UV index reading in January in Bultfontein?
Average temperature in January
Bultfontein, South Africa
- Average high temperature in January: 30.8°C
The warmest months (with the highest average high temperature) are January and December (30.8°C).
The months with the lowest average high temperature are June and July (17.9°C).
- Average low temperature in January: 19.5°C
The month with the highest average low temperature is January (19.5°C).
The coldest month (with the lowest average low temperature) is July (5.5°C).
Average pressure in January
Bultfontein, South Africa
- Average pressure in January: 1011.7mbar
The month with the highest atmospheric pressure is July (1024.8mbar).
The month with the lowest atmospheric pressure is January (1011.7mbar).
Average wind speed in January
Bultfontein, South Africa
- Average wind speed in January: 12.3km/h
The windiest month (with the highest average wind speed) is November (14.8km/h).
The calmest month (with the lowest average wind speed) is May (9.6km/h).
Average humidity in January
Bultfontein, South Africa
- Average humidity in January: 45%
The month with the highest relative humidity is February (50%).
The month with the lowest relative humidity is September (29%).
Average rainfall in January
Bultfontein, South Africa
- Average rainfall in January: 45mm
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in January
Bultfontein, South Africa
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is December (12.7 days).
The month with the least rainy days is July (0.9 days).
Average daylight in January /
Average sunshine in January
Bultfontein, South Africa
- Average daylight in January: 13h and 4min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in January: 11h and 4min
The month with the most sunshine is November (Average sunshine: 11h and 54min).
The month with the least sunshine is June (Average sunshine: 7h and 30min).
Average sunshine days in January
Bultfontein, South Africa
- Average sunshine days in January: 15.8 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in January
Bultfontein, South Africa
- Average UV index in January: 7
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in January
Bultfontein, South Africa
- Average cloud cover in January: 18
The month with the most cloud cover is February (Cloud cover 19).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in January
Bultfontein, 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).
Bultfontein, South Africa
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