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, characterized by an average high temperature of 27.3°C (81.1°F) and a low temperature of 19.8°C (67.6°F), is generally the warmest month.Heat index
In January, the heat index is appraised at a hot 30°C (86°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
The average relative humidity in January in Roseville is 74%.Rainfall
In Roseville, during January, the rain falls for 16.7 days and regularly aggregates up to 63mm (2.48") of precipitation. In Roseville, during the entire year, the rain falls for 169 days and collects up to 647mm (25.47") of precipitation.Daylight
In Roseville, the average length of the day in January is 14h and 7min.On the first day of January in Roseville, sunrise is at 5:47 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:01 pm AEDT.
Sunshine
In Roseville, the average sunshine in January is 8.5h.UV index
The months with the highest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 6 suggests these recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the hottest time of year in Roseville?
What is the temperature in January in Roseville?
What is the average humidity in January in Roseville?
How much does it rain in Roseville in January?
How many hours of daylight does Roseville have in January?
What time are sunrise and sunset in January in Roseville?
How many hours of sunshine does Roseville have in January?
What is the month with the highest UV index in Roseville?
What is the UV index reading in January in Roseville?
Average temperature in January
Roseville, Australia
- Average high temperature in January: 27.3°C
The warmest month (with the highest average high temperature) is January (27.3°C).
The month with the lowest average high temperature is July (16.6°C).
- Average low temperature in January: 19.8°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure in January
Roseville, Australia
- Average pressure in January: 1012.9mbar
The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in January
Roseville, Australia
- Average wind speed in January: 14km/h
The windiest months (with the highest average wind speed) are January and August (14km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).
Average humidity in January
Roseville, Australia
- Average humidity in January: 74%
The month with the highest relative humidity is February (75%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in January
Roseville, Australia
- Average rainfall in January: 63mm
The wettest month (with the highest rainfall) is February (92mm).
The driest month (with the least rainfall) is September (35mm).
Average rainfall days in January
Roseville, Australia
- Average rainfall days in January: 16.7 days
The month with the highest number of rainy days is March (18.8 days).
The month with the least rainy days is August (10.1 days).
Average daylight in January /
Average sunshine in January
Roseville, Australia
- Average daylight in January: 14h and 1min
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 3min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in January
Roseville, Australia
- Average sunshine days in January: 11.2 days
The month with the most sunshine days is August (17.9 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in January
Roseville, 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
Roseville, Australia
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in January
Roseville, 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).
Roseville, Australia
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