March weather forecast
Cairns, Australia

March sees a slight decline in temperatures and rainfall in comparison to February. As the month progresses, there is a gradual transition from the intense tropical monsoon climate towards a milder climate. The residual monsoonal influence continues to provide substantial rain, although the intensity decreases. The efficacy of air conditioning increases with a noticeable decrease in humidity towards the later part of the month. The climate sets the backdrop for dazzling sunsets over the ocean and the Great Barrier Reef.

Temperature

Stepping into March, Cairns records an average high-temperature of a still warm 28.3°C (82.9°F), almost consistent with February. Recording a slight drop from the daily maximum, Cairns notes an average low temperature of 23.7°C (74.7°F) in the month of March.

Heat index

During March, the heat index is calculated to be a tropical 33°C (91.4°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The most humid month in Cairns is March, with an average relative humidity of 81%.

Rainfall

In Cairns, in March, it is raining for 21.5 days, with typically 110mm (4.33") of accumulated precipitation. In Cairns, during the entire year, the rain falls for 167.3 days and collects up to 652mm (25.67") of precipitation.

Sea temperature

In Cairns, the average seawater temperature in March is 28.5°C (83.3°F).
Note: For water activities like swimming, diving, and more, temperatures ranging between 25°C (77°F) and 29°C (84.2°F) offer superior comfort and enjoyment for lengthy durations.

Daylight

The average length of the day in March in Cairns is 12h and 11min.
On the first day of March in Cairns, sunrise is at 6:16 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 6:19 pm AEST.

Sunshine

In Cairns, Australia, the average sunshine in March is 7.7h.

UV index

The average daily maximum UV index in March is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 6 during March translates into these guidelines:
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. Stay sun-safe with clothing that is both closely woven and worn loosely. Heads up! UV intensity is amplified by reflections from water and sand.