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
January
Weather in January
Temperature
As Robertson steps into January, the average high-temperature is measured at a still moderately hot 28.1°C (82.6°F), displaying minor differences from December's 26.2°C (79.2°F). Robertson's January nights see a large temperature deviation, with temperatures resting at a low of 14.8°C (58.6°F).Heat index
During January, the heat index is computed to be a tropical 30°C (86°F). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. 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 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In Robertson, the average relative humidity in January is 60%.Rainfall
In January, in Robertson, the rain falls for 6.6 days. Throughout January, 19mm (0.75") of precipitation is accumulated. Throughout the year, in Robertson, there are 101.2 rainfall days, and 310mm (12.2") of precipitation is accumulated.Daylight
In January, the average length of the day is 14h and 6min.On the first day of January in Robertson, sunrise is at 05:32 and sunset at 19:54. On the last day of the month, sunrise is at 06:00 and sunset at 19:46 SAST.
Sunshine
In Robertson, the average sunshine in January is 11.4h.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 of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 in January translates into this advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Robertson during January?
What is the average humidity in January in Robertson?
How much does it rain in Robertson in January?
How many hours of daylight does Robertson have in January?
When are sunrise and sunset in January in Robertson?
How many hours of sunshine does Robertson have in January?
When is the highest UV index in Robertson?
What is the UV index reading in January in Robertson?
Average temperature in January
Robertson, South Africa
- Average high temperature in January: 28.1°C
The warmest month (with the highest average high temperature) is February (28.3°C).
The month with the lowest average high temperature is June (15.1°C).
- Average low temperature in January: 14.8°C
The month with the highest average low temperature is February (14.9°C).
The coldest month (with the lowest average low temperature) is August (5.1°C).
Average pressure in January
Robertson, South Africa
- Average pressure in January: 1013.2mbar
The month with the highest atmospheric pressure is July (1022.2mbar).
The month with the lowest atmospheric pressure is February (1013.1mbar).
Average wind speed in January
Robertson, South Africa
- Average wind speed in January: 10.6km/h
The windiest month (with the highest average wind speed) is November (10.8km/h).
The calmest month (with the lowest average wind speed) is April (9.3km/h).
Average humidity in January
Robertson, South Africa
- Average humidity in January: 60%
The month with the highest relative humidity is August (72%).
The month with the lowest relative humidity is February (59%).
Average rainfall in January
Robertson, South Africa
- Average rainfall in January: 19mm
The wettest month (with the highest rainfall) is June (66mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in January
Robertson, South Africa
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is February (5.5 days).
Average daylight in January /
Average sunshine in January
Robertson, 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 2min
The month with the most sunshine is December (Average sunshine: 11h and 30min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).
Average sunshine days in January
Robertson, South Africa
- Average sunshine days in January: 20.9 days
The month with the most sunshine days is March (21.6 days).
The month with the least sunshine days is June (15.7 days).
Average UV index in January
Robertson, 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 June and July (UV index 3).
Average cloud cover in January
Robertson, South Africa
- Average cloud cover in January: 18
The month with the most cloud cover is June (Cloud cover 33).
The month with the least cloud cover is February (Cloud cover 17).
Average visibility in January
Robertson, South Africa
- Average visibility in January: 10km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).
