January weather forecastHerefords, Swaziland
January
Weather in January
As Herefords, Swaziland transitions from the festive season, January proves to be warm, but not the hottest month. The month is marked by a humidity level of 78%, while the sunshine period registers at 8.7 hours per day, confirming the desire for abundant rainfall. Consequently, the highest rainfall of 88mm (3.46") is recorded in January, showing the month's notorious reputation for being the wettest. The wind also adds to the potent weather characteristics of the month by blowing at an average pace of 7.4km/h (4.6mph). Looking forward to February, a slight relief in temperature and an increase in sunshine hours can be expected.Temperature
January commences with an average high-temperature of a still warm 28.9°C (84°F), showing little deviation from December's 29.1°C (84.4°F). During January, Herefords observes a consistent average nighttime temperature of 19°C (66.2°F).Heat index
January's average heat index is evaluated at a tropical 34°C (93.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The months with the highest humidity are January through March, with an average relative humidity of 78%.Rainfall
In Herefords, in January, it is raining for 20.3 days, with typically 88mm (3.46") of accumulated precipitation. In Herefords, during the entire year, the rain falls for 138.5 days and collects up to 488mm (19.21") of precipitation.Daylight
In Herefords, the average length of the day in January is 13h and 33min.On the first day of January, sunrise is at 05:05 and sunset at 18:49. On the last day of the month, sunrise is at 05:28 and sunset at 18:46 SAST.
Sunshine
The average sunshine in January is 8.7h.UV index
The months with the highest UV index are January through March, September through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 6 during January translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Herefords, Swaziland
- Average high temperature in January: 28.9°C
The warmest month (with the highest average high temperature) is December (29.1°C).
The month with the lowest average high temperature is July (23°C).
- Average low temperature in January: 19°C
The months with the highest average low temperature are January and February (19°C).
The coldest month (with the lowest average low temperature) is June (10.6°C).
Average pressure in January
Herefords, Swaziland
- Average pressure in January: 1013.7mbar
The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1013.7mbar).
Average wind speed in January
Herefords, Swaziland
- Average wind speed in January: 7.4km/h
The windiest month (with the highest average wind speed) is September (8.5km/h).
The calmest months (with the lowest average wind speed) are March and May (6.4km/h).
Average humidity in January
Herefords, Swaziland
- Average humidity in January: 78%
The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in January
Herefords, Swaziland
- Average rainfall in January: 88mm
The wettest month (with the highest rainfall) is December (94mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in January
Herefords, Swaziland
- Average rainfall days in January: 20.3 days
The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is June (1.8 days).
Average daylight in January /
Average sunshine in January
Herefords, Swaziland
- Average daylight in January: 13h and 30min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in January: 8h and 42min
The month with the most sunshine is February (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).
Average sunshine days in January
Herefords, Swaziland
- Average sunshine days in January: 8.3 days
The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in January
Herefords, Swaziland
- Average UV index in January: 6
The months with the highest UV index are January, February, March, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 5).
Average cloud cover in January
Herefords, Swaziland
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in January
Herefords, Swaziland
- Average visibility in January: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).





