April weather forecast
Cairns, Australia

April in Cairns brings drier and cooler weather patterns. It ushers in the autumn season featuring breezy weather with a noticeable decline in sea temperature from 28.5°C (83.3°F) to 27.8°C (82°F). April exhibits a remarkable decrease in the average number of rainfall days. The weather turns friendlier for outdoor activities like road trips and adventurous sporting activities. The pressure rises in April, leading to pleasant temperatures and occasional rain.

Temperature

As Cairns welcomes April, the average high-temperature is noted at a still warm 27°C (80.6°F), closely aligning with the preceding month. In Cairns, the month of April records an average minimum temperature of 22.3°C (72.1°F), a slight dip from the daily highs.

Heat index

April's heat index is calculated to be a tropical 30°C (86°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The average relative humidity in April is 80%.

Rainfall

In April, in Cairns, the rain falls for 15.1 days. Throughout April, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 167.3 rainfall days, and 652mm (25.67") of precipitation is accumulated.

Sea temperature

In Cairns, Australia, in April, the average water temperature is 27.8°C (82°F).
Note: Water activities including swimming and diving at temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.

Daylight

In Cairns, the average length of the day in April is 11h and 43min.
On the first day of the month, sunrise is at 6:22 am and sunset at 6:18 pm. On the last day of April, sunrise is at 6:29 am and sunset at 5:59 pm AEST.

Sunshine

In Cairns, the average sunshine in April is 7.8h.

UV index

In Cairns, Australia, the average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in April transforms into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.