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
With its high average temperature of 28.1°C (82.6°F) and a low of 17.1°C (62.8°F), January is regarded as the warmest month.Heat index
For January, the heat index is evaluated at a hot 30°C (86°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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
The months with the highest humidity are January and February, with an average relative humidity of 63%.Rainfall
January is the month with the most rainfall. Rain falls for 21.8 days and accumulates 97mm (3.82") of precipitation.Daylight
The average length of the day in January is 13h and 32min.On the first day of the month, sunrise is at 05:18 and sunset at 19:02. On the last day of January, sunrise is at 05:41 and sunset at 18:59 SAST.
Sunshine
In January, the average sunshine is 11.4h.UV index
January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index in Irene. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In January, an average UV index of 6 transforms into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Irene?
How hot is it in Irene in January?
What are the most humid months in Irene?
What is the average humidity in January in Irene?
What is the rainiest month in Irene?
How much does it rain in Irene in January?
What is the average length of the day in January in Irene?
When are sunrise and sunset in January in Irene?
How many hours of sunshine does Irene have in January?
When is the highest UV index in Irene?
What is the UV index intensity in January in Irene?
Average temperature in January
Irene, South Africa
- Average high temperature in January: 28.1°C
The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (18.5°C).
- Average low temperature in January: 17.1°C
The months with the highest average low temperature are January and December (17.1°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).
Average pressure in January
Irene, South Africa
- Average pressure in January: 1013.1mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in January
Irene, South Africa
- Average wind speed in January: 8.9km/h
The windiest months (with the highest average wind speed) are October and November (11.2km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).
Average humidity in January
Irene, South Africa
- Average humidity in January: 63%
The months with the highest relative humidity are January and February (63%).
The month with the lowest relative humidity is September (35%).
Average rainfall in January
Irene, South Africa
- Average rainfall in January: 97mm
The wettest month (with the highest rainfall) is January (97mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in January
Irene, South Africa
- Average rainfall days in January: 21.8 days
The month with the highest number of rainy days is January (21.8 days).
The month with the least rainy days is July (1.2 days).
Average daylight in January /
Average sunshine in January
Irene, South Africa
- Average daylight in January: 13h and 3min
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: 11h and 2min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in January
Irene, South Africa
- Average sunshine days in January: 6.3 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in January
Irene, South Africa
- Average UV index in January: 6
The months with the highest UV index are January, February, March, October, 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
Irene, South Africa
- Average cloud cover in January: 27
The month with the most cloud cover is January (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Irene, South Africa
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
