January weather forecastNarellan, Australia
January
Weather in January
January, the same as December, is another warm summer month in Narellan, Australia, with an average temperature varying between 28.7°C (83.7°F) and 18.3°C (64.9°F).Temperature
January, having an average high-temperature of 28.7°C (83.7°F) and an average low-temperature of 18.3°C (64.9°F), is the warmest month.Heat index
January's heat index is calculated to be a hot 32°C (89.6°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The average relative humidity in January in Narellan is 71%.Rainfall
In Narellan, in January, during 15.4 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, there are 137.9 rainfall days, and 502mm (19.76") of precipitation is accumulated.Daylight
In January, the average length of the day is 14h and 8min.On the first day of January in Narellan, Australia, sunrise is at 5:48 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:04 pm AEDT.
Sunshine
In January, the average sunshine is 8.5h.UV index
January, February and December, with an average maximum UV index of 6, are months with the highest UV index in Narellan. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during January translates into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Narellan, Australia
- Average high temperature in January: 28.7°C
The warmest month (with the highest average high temperature) is January (28.7°C).
The months with the lowest average high temperature are June and July (16.3°C).
- Average low temperature in January: 18.3°C
The month with the highest average low temperature is January (18.3°C).
The coldest month (with the lowest average low temperature) is July (7.6°C).
Average pressure in January
Narellan, Australia
- Average pressure in January: 1012.8mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in January
Narellan, Australia
- Average wind speed in January: 9.7km/h
The windiest months (with the highest average wind speed) are August and September (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.6km/h).
Average humidity in January
Narellan, Australia
- Average humidity in January: 71%
The month with the highest relative humidity is June (77%).
The months with the lowest relative humidity are August and September (67%).
Average rainfall in January
Narellan, Australia
- Average rainfall in January: 50mm
The wettest month (with the highest rainfall) is February (84mm).
The driest month (with the least rainfall) is May (24mm).
Average rainfall days in January
Narellan, Australia
- Average rainfall days in January: 15.4 days
The month with the highest number of rainy days is January (15.4 days).
The month with the least rainy days is August (7.8 days).
Average daylight in January /
Average sunshine in January
Narellan, Australia
- Average daylight in January: 14h and 6min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in January: 8h and 30min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in January
Narellan, Australia
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in January
Narellan, Australia
- Average UV index in January: 6
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in January
Narellan, Australia
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in January
Narellan, Australia
- Average visibility in January: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
