January weather forecastWhyalla, Australia
January
Weather in January
January, the same as December, is another warm summer month in Whyalla, Australia, with an average temperature fluctuating between 20.5°C (68.9°F) and 29.6°C (85.3°F).Temperature
The warmest time of the year is January, with temperatures averaging a high of 29.6°C (85.3°F) and a low of 20.5°C (68.9°F).Heat index
The average heat index in January is evaluated at a hot 30°C (86°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', is achieved by amalgamating air temperature with the relative humidity readings. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The months with the lowest humidity are January and December, with an average relative humidity of 50%.Rainfall
In Whyalla, in January, during 5.3 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, there are 83.5 rainfall days, and 201mm (7.91") of precipitation is accumulated.Daylight
The average length of the day in January in Whyalla is 14h and 3min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:31 pm. On the last day of January, in Whyalla, sunrise is at 6:41 am and sunset at 8:24 pm ACDT.
Sunshine
The month with the most sunshine is January, with an average of 9.2h of sunshine.UV index
In January, the average daily maximum UV index in Whyalla is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 during January translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Whyalla, Australia
- Average high temperature in January: 29.6°C
The warmest month (with the highest average high temperature) is January (29.6°C).
The months with the lowest average high temperature are June and July (16.5°C).
- Average low temperature in January: 20.5°C
The month with the highest average low temperature is January (20.5°C).
The coldest month (with the lowest average low temperature) is July (10.1°C).
Average pressure in January
Whyalla, Australia
- Average pressure in January: 1011.6mbar
The month with the highest atmospheric pressure is June (1022.7mbar).
The month with the lowest atmospheric pressure is January (1011.6mbar).
Average wind speed in January
Whyalla, Australia
- Average wind speed in January: 21.6km/h
The windiest month (with the highest average wind speed) is January (21.6km/h).
The calmest month (with the lowest average wind speed) is April (16.4km/h).
Average humidity in January
Whyalla, Australia
- Average humidity in January: 50%
The month with the highest relative humidity is June (65%).
The months with the lowest relative humidity are January and December (50%).
Average rainfall in January
Whyalla, Australia
- Average rainfall in January: 16mm
The wettest month (with the highest rainfall) is November (22mm).
The driest months (with the least rainfall) are March and July (12mm).
Average rainfall days in January
Whyalla, Australia
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is August (8.9 days).
The month with the least rainy days is February (4.8 days).
Average daylight in January /
Average sunshine in January
Whyalla, Australia
- Average daylight in January: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in January: 9h and 12min
The month with the most sunshine is January (Average sunshine: 9h and 12min).
The months with the least sunshine are May and August (Average sunshine: 7h and 42min).
Average sunshine days in January
Whyalla, Australia
- Average sunshine days in January: 25.1 days
The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is August (19 days).
Average UV index in January
Whyalla, Australia
- Average UV index in January: 6
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in January
Whyalla, Australia
- Average cloud cover in January: 17
The month with the most cloud cover is June (Cloud cover 33).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in January
Whyalla, Australia
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





