All data are in degrees Fahrenheit

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Water temperature in Cairns

Detailed information about the current water temperature in Cairns. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Cairns now

79.9

°F

May 2, 11:16

Trend:

decreasing

Yesterday:

80.0°F

Tomorrow:

79.8°F

Sunrise:

06:30

Sunset:

17:58

Day Length:

11 h. 28 min.

Cairns in May

Minimum:

83.6°F

Average:

84.6°F

Maximum:

85.6°F

Sea water temperature in Cairns today

As of now, in Cairns, the water temperature is 79.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.2°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 81.1°F on 2023, while the historical minimum was 79.2°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 79.4°F, the minimum temperature may reach 79.0°F, and the maximum might stay at 79.8°F.

Daily water temperature in Cairns

Date Current Year

actual* / forecast**

last year 10 years average
Apr 18 82.1°F 84.5°F 81.9°F
Apr 19 81.9°F 84.2°F 81.8°F
Apr 20 81.6°F 83.9°F 81.7°F
Apr 21 81.4°F 83.5°F 81.6°F
Apr 22 81.6°F 83.3°F 81.6°F
Apr 23 81.3°F 83.0°F 81.4°F
Apr 24 81.2°F 82.8°F 81.4°F
Apr 25 81.1°F 82.5°F 81.2°F
Apr 26 80.8°F 82.3°F 81.1°F
Apr 27 80.8°F 81.7°F 81.1°F
Apr 28 80.8°F 81.4°F 80.9°F
Apr 29 80.5°F 81.0°F 80.6°F
Apr 30 80.3°F 80.6°F 80.3°F
May 1 80.0°F 80.7°F 80.2°F
May 2 79.9°F 81.1°F 80.1°F
May 3 79.8°F 80.8°F 80.0°F
May 4 79.6°F 80.7°F 79.8°F
May 5 79.6°F 80.7°F 79.8°F
May 6 79.5°F 80.3°F 79.7°F
May 7 79.3°F 80.1°F 79.5°F
May 8 79.2°F 80.0°F 79.4°F
May 9 79.0°F 79.7°F 79.2°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Cairns by month

In Cairns, the water temperature is comfortable for swimming all year round.
The warmest water in Cairns was recorded on February 21, 2016, reaching a 87.4°F. While the coldest temperature occurred on July 15, 2022, dipping to 70.4°F. The average readings by season are 84.3°F in Winter, 81.5°F in Spring, 74.3°F in Summer, and 79.0°F in Autumn.