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 begins with an average high-temperature of a still moderately hot 29.2°C (84.6°F), reflecting close similarity to the preceding month. In the month of January, Harrismith witnesses a marked temperature drop at night, averaging a low of 16°C (60.8°F).Heat index
The heat index value during January is evaluated at a hot 33°C (91.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In January, the average relative humidity in Harrismith is 70%.Rainfall
January is the month with the most rainfall in Harrismith, South Africa. Rain falls for 20.8 days and accumulates 99mm (3.9") of precipitation.Daylight
In January, the average length of the day in Harrismith is 13h and 42min.On the first day of the month, sunrise is at 05:09 and sunset at 19:04. On the last day of January, in Harrismith, sunrise is at 05:33 and sunset at 19:00 SAST.
Sunshine
The average sunshine in January is 10.8h.UV index
January, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Fend off overexposure. Sun protection is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is January in Harrismith?
What is the average humidity in January in Harrismith?
What is the wettest month in Harrismith?
How much does it rain in Harrismith in January?
How many hours of daylight does Harrismith have in January?
What time are sunrise and sunset in January in Harrismith?
How many hours of sunshine does Harrismith have in January?
What is the month with the highest UV index in Harrismith?
How high is the UV index in January in Harrismith?
Average temperature in January
Harrismith, South Africa
- Average high temperature in January: 29.2°C
The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is June (19.7°C).
- Average low temperature in January: 16°C
The month with the highest average low temperature is January (16°C).
The coldest month (with the lowest average low temperature) is July (6.2°C).
Average pressure in January
Harrismith, South Africa
- Average pressure in January: 1015mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is December (1014.9mbar).
Average wind speed in January
Harrismith, South Africa
- Average wind speed in January: 7km/h
The windiest months (with the highest average wind speed) are October and November (8.9km/h).
The calmest month (with the lowest average wind speed) is May (6km/h).
Average humidity in January
Harrismith, South Africa
- Average humidity in January: 70%
The month with the highest relative humidity is February (73%).
The months with the lowest relative humidity are August and September (45%).
Average rainfall in January
Harrismith, South Africa
- Average rainfall in January: 99mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in January
Harrismith, South Africa
- Average rainfall days in January: 20.8 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is June (2.8 days).
Average daylight in January /
Average sunshine in January
Harrismith, 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: 10h and 5min
The month with the most sunshine is October (Average sunshine: 11h and 6min).
The month with the least sunshine is April (Average sunshine: 7h and 6min).
Average sunshine days in January
Harrismith, South Africa
- Average sunshine days in January: 5.8 days
The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is December (4.1 days).
Average UV index in January
Harrismith, South Africa
- Average UV index in January: 6
The months with the highest UV index are January, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in January
Harrismith, South Africa
- Average cloud cover in January: 36
The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are June and July (Cloud cover 9).
Average visibility in January
Harrismith, South Africa
- Average visibility in January: 8km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).
Harrismith, South Africa
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