January weather forecastMullalyup, Australia
January
Weather in January
January, the same as December, is a moderately hot summer month in Mullalyup, Australia, with an average temperature ranging between max 28.2°C (82.8°F) and min 13.7°C (56.7°F).Temperature
January registers as the month with the highest average temperatures, reaching 28.2°C (82.8°F) at its peak and 13.7°C (56.7°F) at the lowest.Heat index
For most parts of January, the heat index is computed to be a hot 30°C (86°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The least humid month is January, with an average relative humidity of 64%.Rainfall
In Mullalyup, during January, the rain falls for 5.1 days and regularly aggregates up to 8mm (0.31") of precipitation. In Mullalyup, during the entire year, the rain falls for 127.4 days and collects up to 330mm (12.99") of precipitation.Daylight
In January, the average length of the day is 14h and 6min.On the first day of the month, sunrise is at 5:08 am and sunset at 7:30 pm. On the last day of January, in Mullalyup, sunrise is at 5:36 am and sunset at 7:22 pm AWST.
Sunshine
January has the most sunshine of the year, with an average of 10.8h of sunshine.UV index
In Mullalyup, the average daily maximum UV index in January is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 5 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mullalyup, Australia
- Average high temperature in January: 28.2°C
The warmest month (with the highest average high temperature) is January (28.2°C).
The month with the lowest average high temperature is July (14.3°C).
- Average low temperature in January: 13.7°C
The month with the highest average low temperature is February (14.3°C).
The coldest month (with the lowest average low temperature) is August (6.3°C).
Average pressure in January
Mullalyup, Australia
- Average pressure in January: 1013.4mbar
The month with the highest atmospheric pressure is May (1019.7mbar).
The month with the lowest atmospheric pressure is January (1013.4mbar).
Average wind speed in January
Mullalyup, Australia
- Average wind speed in January: 10.8km/h
The windiest month (with the highest average wind speed) is January (10.8km/h).
The calmest month (with the lowest average wind speed) is May (8.3km/h).
Average humidity in January
Mullalyup, Australia
- Average humidity in January: 64%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is January (64%).
Average rainfall in January
Mullalyup, Australia
- Average rainfall in January: 8mm
The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in January
Mullalyup, Australia
- Average rainfall days in January: 5.1 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is February (4.1 days).
Average daylight in January /
Average sunshine in January
Mullalyup, 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: 10h and 48min
The month with the most sunshine is January (Average sunshine: 10h and 48min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).
Average sunshine days in January
Mullalyup, Australia
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in January
Mullalyup, Australia
- Average UV index in January: 5
The month with the highest UV index is February (UV index 6).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in January
Mullalyup, Australia
- Average cloud cover in January: 26
The month with the most cloud cover is August (Cloud cover 59).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in January
Mullalyup, Australia
- Average visibility in January: 9km
The months with the highest visibility are January, February, March and December (9km).
The months with the lowest visibility are June, July, August, September and October (7km).





