January weather forecastOatley, Australia
January
Weather in January
January, like December, in Oatley, Australia, is a moderately hot summer month, with an average temperature varying between 18.8°C (65.8°F) and 29.3°C (84.7°F).Temperature
January is the month when Oatley's temperatures reach their peak, with averages of 29.3°C (84.7°F) and lows of 18.8°C (65.8°F).Heat index
For January, the heat index is estimated at a tropical 33°C (91.4°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in January is 70%.Rainfall
In January, the rain falls for 15.5 days. Throughout January, 51mm (2.01") of precipitation is accumulated. Throughout the year, there are 138.7 rainfall days, and 508mm (20") of precipitation is accumulated.Sea temperature
In January, the average sea temperature is 23.3°C (73.9°F).Note: When considering a person's aversion to cold, factors like sunshine, wind, and atmospheric temperature are key. Swimming in 23.3°C (73.9°F) might be delightful. (Remember: The Olympics' swimming events have water temperatures between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In Oatley, the average length of the day in January is 14h and 7min.On the first day of January, sunrise is at 5:47 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:02 pm AEDT.
Sunshine
The average sunshine in January is 8.2h.UV index
January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index in Oatley. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during January morphs into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Oatley, Australia
- Average high temperature in January: 29.3°C
The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is June (16.8°C).
- Average low temperature in January: 18.8°C
The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (8°C).
Average pressure in January
Oatley, Australia
- Average pressure in January: 1012.9mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in January
Oatley, Australia
- Average wind speed in January: 10.2km/h
The windiest months (with the highest average wind speed) are January, September and December (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.8km/h).
Average humidity in January
Oatley, Australia
- Average humidity in January: 70%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is September (65%).
Average rainfall in January
Oatley, Australia
- Average rainfall in January: 51mm
The wettest month (with the highest rainfall) is February (83mm).
The driest months (with the least rainfall) are May and September (26mm).
Average rainfall days in January
Oatley, Australia
- Average rainfall days in January: 15.5 days
The month with the highest number of rainy days is February (15.8 days).
The month with the least rainy days is August (7.3 days).
Average sea temperature in January
Oatley, Australia
- Average sea temperature in January: 23.3°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).
Average daylight in January /
Average sunshine in January
Oatley, 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 12min
The month with the most sunshine is November (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in January
Oatley, Australia
- Average sunshine days in January: 13 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in January
Oatley, Australia
- Average UV index in January: 6
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in January
Oatley, Australia
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Oatley, Australia
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
