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
The arrival of January sees an average high-temperature of a still moderately hot 25.8°C (78.4°F), hardly diverging from December's 24.3°C (75.7°F). The average low-temperature during January nights is a refreshing 17.7°C (63.9°F).Humidity
In Heideveld, the average relative humidity in January is 69%.Rainfall
In January, the rain falls for 6.7 days. Throughout January, 9mm (0.35") of precipitation is accumulated. In Heideveld, during the entire year, the rain falls for 111 days and collects up to 435mm (17.13") of precipitation.Daylight
In January, the average length of the day in Heideveld is 14h and 7min.On the first day of January in Heideveld, sunrise is at 05:37 and sunset at 20:00. On the last day of the month, sunrise is at 06:05 and sunset at 19:52 SAST.
Sunshine
The average sunshine in January in Heideveld is 11h.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 estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in January interprets into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What are the temperatures in Heideveld in January?
What is the average humidity in January in Heideveld?
How many days does it rain in January in Heideveld?
What is the average length of the day in January in Heideveld?
When are sunrise and sunset in January in Heideveld?
How many hours of sunshine does Heideveld have in January?
What is the month with the highest UV index in Heideveld?
How high is the UV index in January in Heideveld?
Average temperature in January
Heideveld, South Africa
- Average high temperature in January: 25.8°C
The warmest month (with the highest average high temperature) is February (26.1°C).
The month with the lowest average high temperature is August (16.6°C).
- Average low temperature in January: 17.7°C
The month with the highest average low temperature is January (17.7°C).
The coldest months (with the lowest average low temperature) are July and August (10.2°C).
Average pressure in January
Heideveld, South Africa
- Average pressure in January: 1013.6mbar
The month with the highest atmospheric pressure is July (1022mbar).
The month with the lowest atmospheric pressure is February (1013.4mbar).
Average wind speed in January
Heideveld, South Africa
- Average wind speed in January: 17.6km/h
The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is May (13.4km/h).
Average humidity in January
Heideveld, South Africa
- Average humidity in January: 69%
The months with the highest relative humidity are June, August and September (74%).
The months with the lowest relative humidity are February, April and December (68%).
Average rainfall in January
Heideveld, South Africa
- Average rainfall in January: 9mm
The wettest month (with the highest rainfall) is June (98mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in January
Heideveld, South Africa
- Average rainfall days in January: 6.7 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (4.9 days).
Average daylight in January /
Average sunshine in January
Heideveld, South Africa
- Average daylight in January: 14h and 1min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in January: 11h and 0min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in January
Heideveld, South Africa
- Average sunshine days in January: 23.1 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in January
Heideveld, 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
Heideveld, South Africa
- Average cloud cover in January: 17
The month with the most cloud cover is June (Cloud cover 34).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in January
Heideveld, 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).
Heideveld, South Africa
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