January weather forecastMacnab, Swaziland
January
Weather in January
The month of January in Macnab, Swaziland, kick-starts the year with average temperatures ranging from 17.4°C (63.3°F) to 27.3°C (81.1°F). Notably, January is among the wettest months, experiencing 21.3 days of rainfall totaling 94mm (3.7"), contributing to the region's lush greenery. The daily average relative humidity is a notable 82%, typically leading to slightly foggy mornings and evenings. The availability of approximately 13.6 hours of daylight coupled with an average of 8.2 hours of sunshine provides ample daylight. Balance is seen in both pressure readings and wind speeds, with the former averaging around 1014mb and the latter evidencing a generally mild 6.9km/h (4.3mph).Temperature
The advent of January denotes an average high-temperature of a still moderately hot 27.3°C (81.1°F), subtly different from December's 27.5°C (81.5°F). During the month of January, an average temperature of 17.4°C (63.3°F) is noted during the nights.Heat index
January's average heat index is estimated at a tropical 31°C (87.8°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The months with the highest humidity in Macnab are January and February, with an average relative humidity of 82%.Rainfall
In Macnab, in January, during 21.3 rainfall days, 94mm (3.7") of precipitation is typically accumulated. Throughout the year, there are 156.8 rainfall days, and 549mm (21.61") of precipitation is accumulated.Daylight
In Macnab, Swaziland, the average length of the day in January is 13h and 35min.On the first day of the month, sunrise is at 05:03 and sunset at 18:49. On the last day of January, sunrise is at 05:26 and sunset at 18:47 SAST.
Sunshine
The average sunshine in January is 8.2h.UV index
The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 6 in January transforms into this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Macnab, Swaziland
- Average high temperature in January: 27.3°C
The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (21.4°C).
- Average low temperature in January: 17.4°C
The month with the highest average low temperature is December (17.5°C).
The coldest month (with the lowest average low temperature) is July (9.3°C).
Average pressure in January
Macnab, Swaziland
- Average pressure in January: 1014mbar
The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1014mbar).
Average wind speed in January
Macnab, Swaziland
- Average wind speed in January: 6.9km/h
The windiest month (with the highest average wind speed) is September (8.2km/h).
The calmest month (with the lowest average wind speed) is March (6.1km/h).
Average humidity in January
Macnab, Swaziland
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (57%).
Average rainfall in January
Macnab, Swaziland
- Average rainfall in January: 94mm
The wettest month (with the highest rainfall) is December (110mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in January
Macnab, Swaziland
- Average rainfall days in January: 21.3 days
The month with the highest number of rainy days is December (22.7 days).
The month with the least rainy days is June (3.6 days).
Average daylight in January /
Average sunshine in January
Macnab, Swaziland
- Average daylight in January: 13h and 36min
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: 8h and 12min
The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).
Average sunshine days in January
Macnab, Swaziland
- Average sunshine days in January: 6.7 days
The month with the most sunshine days is June (25.4 days).
The month with the least sunshine days is December (5.3 days).
Average UV index in January
Macnab, Swaziland
- Average UV index in January: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 5).
Average cloud cover in January
Macnab, Swaziland
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in January
Macnab, Swaziland
- Average visibility in January: 7km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (7km).





