April weather forecastOnslow, Australia
April
Weather in April
April, like March, is a hot autumn month in Onslow, Australia, with an average temperature fluctuating between 32.1°C (89.8°F) and 26.8°C (80.2°F).Temperature
The advent of April sees the average high-temperature at a still hot 32.1°C (89.8°F), subtly shifted from March's 33.7°C (92.7°F). The nighttime temperature, during April, averages of 26.8°C (80.2°F).Heat index
The heat index for April is calculated to be a fiery hot 35°C (95°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. 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 hold great significance to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
In Onslow, the average relative humidity in April is 52%.Rainfall
In Onslow, in April, during 4.2 rainfall days, 10mm (0.39") of precipitation is typically accumulated. In Onslow, during the entire year, the rain falls for 45.1 days and collects up to 141mm (5.55") of precipitation.Daylight
In Onslow, the average length of the day in April is 11h and 36min.On the first day of April, sunrise is at 6:27 am and sunset at 6:19 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 5:56 pm AWST.
Sunshine
In Onslow, the average sunshine in April is 9.2h.UV index
In April, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In April, the average maximum UV index of 7 translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Onslow, Australia
- Average high temperature in April: 32.1°C
The warmest month (with the highest average high temperature) is March (33.7°C).
The month with the lowest average high temperature is July (24.8°C).
- Average low temperature in April: 26.8°C
The month with the highest average low temperature is March (28.4°C).
The coldest month (with the lowest average low temperature) is July (19.4°C).
Average pressure in April
Onslow, Australia
- Average pressure in April: 1012.3mbar
The month with the highest atmospheric pressure is July (1017.4mbar).
The month with the lowest atmospheric pressure is January (1005.2mbar).
Average wind speed in April
Onslow, Australia
- Average wind speed in April: 16.9km/h
The windiest month (with the highest average wind speed) is November (23.2km/h).
The calmest month (with the lowest average wind speed) is April (16.9km/h).
Average humidity in April
Onslow, Australia
- Average humidity in April: 52%
The month with the highest relative humidity is January (61%).
The months with the lowest relative humidity are May and July (49%).
Average rainfall in April
Onslow, Australia
- Average rainfall in April: 10mm
The wettest month (with the highest rainfall) is January (28mm).
The driest months (with the least rainfall) are September and October (1mm).
Average rainfall days in April
Onslow, Australia
- Average rainfall days in April: 4.2 days
The month with the highest number of rainy days is January (9.1 days).
The months with the least rainy days are September and November (0.7 days).
Average daylight in April /
Average sunshine in April
Onslow, Australia
- Average daylight in April: 11h and 36min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in April: 9h and 12min
The month with the most sunshine is November (Average sunshine: 12h and 6min).
The month with the least sunshine is June (Average sunshine: 7h and 6min).
Average sunshine days in April
Onslow, Australia
- Average sunshine days in April: 25.4 days
The month with the most sunshine days is October (29.6 days).
The month with the least sunshine days is January (20.1 days).
Average UV index in April
Onslow, Australia
- Average UV index in April: 7
The month with the highest UV index is February (UV index 8).
The months with the lowest UV index are May, June, July, August and September (UV index 6).
Average cloud cover in April
Onslow, Australia
- Average cloud cover in April: 15
The months with the most cloud cover are January and June (Cloud cover 18).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in April
Onslow, Australia
- Average visibility in April: 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).
