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
The yearly peak temperatures occur in January and February, averaging a high-temperature of 31.2°C (88.2°F).Heat index
January's heat index is calculated to be a tropical 33°C (91.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Research indicates the heat index considers values in shaded locales and with light winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
January is the least humid month in Jarrahdale, with an average relative humidity of 50%.Rainfall
In Jarrahdale, Australia, during January, the rain falls for 4.9 days and regularly aggregates up to 11mm (0.43") of precipitation. Throughout the year, in Jarrahdale, there are 110 rainfall days, and 355mm (13.98") of precipitation is accumulated.Daylight
In Jarrahdale, the average length of the day in January is 13h and 59min.On the first day of January, sunrise is at 5:11 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:19 pm AWST.
Sunshine
The months with the most sunshine are January and December, with an average of 11.5h of sunshine.UV index
January through March and December, with an average maximum UV index of 6, are months with the highest UV index in Jarrahdale. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during January leads to these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Jarrahdale?
How hot is it in Jarrahdale in January?
What is the least humid month in Jarrahdale?
What is the average humidity in January in Jarrahdale?
How many days does it rain in January in Jarrahdale?
How many hours of daylight does Jarrahdale have in January?
When are sunrise and sunset in January in Jarrahdale?
What is the month with the most sunshine in Jarrahdale?
How long on average sun shines in January in Jarrahdale?
What is the month with the highest UV index in Jarrahdale?
What is the UV index reading in January in Jarrahdale?
Average temperature in January
Jarrahdale, Australia
- Average high temperature in January: 31.2°C
The warmest months (with the highest average high temperature) are January and February (31.2°C).
The month with the lowest average high temperature is July (16.7°C).
- Average low temperature in January: 18.3°C
The month with the highest average low temperature is February (18.8°C).
The coldest months (with the lowest average low temperature) are July, August and September (9.7°C).
Average pressure in January
Jarrahdale, Australia
- Average pressure in January: 1011.4mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1011.4mbar).
Average wind speed in January
Jarrahdale, Australia
- Average wind speed in January: 14km/h
The windiest month (with the highest average wind speed) is February (14.1km/h).
The calmest month (with the lowest average wind speed) is May (11.4km/h).
Average humidity in January
Jarrahdale, Australia
- Average humidity in January: 50%
The months with the highest relative humidity are July and August (75%).
The month with the lowest relative humidity is January (50%).
Average rainfall in January
Jarrahdale, Australia
- Average rainfall in January: 11mm
The wettest month (with the highest rainfall) is June (66mm).
The driest months (with the least rainfall) are March and December (9mm).
Average rainfall days in January
Jarrahdale, Australia
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.3 days).
Average daylight in January /
Average sunshine in January
Jarrahdale, Australia
- Average daylight in January: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in January: 11h and 3min
The months with the most sunshine are January and December (Average sunshine: 11h and 30min).
The month with the least sunshine is August (Average sunshine: 5h and 30min).
Average sunshine days in January
Jarrahdale, Australia
- Average sunshine days in January: 24.4 days
The month with the most sunshine days is December (24.7 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in January
Jarrahdale, Australia
- Average UV index in January: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in January
Jarrahdale, Australia
- Average cloud cover in January: 13
The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in January
Jarrahdale, Australia
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).
Jarrahdale, Australia
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