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Australia weather

Weather in Cairns for January 2026

Your guide to Cairns weather in January - trends and predictions

    Temperatures

  • Until now, January 2026 in Cairns is slightly cooler than the historical average by -0.8 °C.

  • Expect cooler weather in the next days in Cairns with the forecast suggesting a temperature of 28.6 °C, lower than the historical average.

  • In general, the average temperature in Cairns at the beginning of January is 29 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 29.3 °C by the end of January.

    • Rain 🌧️

  • Cairns experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 1066 mm.

    • More

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Average dry days
2
Dry days
Average rainy days
29
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/23°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Cairns Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain at times
29°
2
Light rain shower
30°
3
Light rain shower
28°
4
Moderate or heavy rain shower
30°
5
Light rain shower
29°
6
Moderate or heavy rain shower
29°
7
Light rain shower
28°
8
Moderate or heavy rain shower
29°
9
Patchy rain possible
30°
10
Moderate or heavy rain shower
29°
11
Patchy rain possible
30°
12
Moderate rain at times
30°
13
Patchy light rain with thunder
30°
14
Moderate or heavy rain shower
29°
15
Moderate or heavy rain shower
30°
16
Moderate or heavy rain shower
31°
17
Patchy rain possible
31°
18
Moderate or heavy rain shower
30°
19
Patchy rain possible
30°
20
Patchy rain possible
30°
21
Patchy rain possible
30°
22
Patchy rain possible
30°
23
Patchy rain possible
31°
24
Patchy rain possible
30°
25
Patchy rain possible
30°
26
Light rain shower
30°
27
Light rain shower
28°
28
Heavy rain at times
29°
29
Patchy rain possible
30°
30
Patchy rain possible
30°
31
Patchy rain possible
28°

Temperatures trend during January in Cairns

See the weather trend as well as the moving average line

January weather in Cairns day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
1 Jan. Moderate rain at times
Moderate rain at times
 29° /23° 9.2 mm 8
2 Jan. Light rain shower
Light rain shower
 30° /23° 22 mm 7
3 Jan. Light rain shower
Light rain shower
 28° /24° 24.7 mm 7
4 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 23.7 mm 7
5 Jan. Light rain shower
Light rain shower
 29° /23° 11.7 mm 7
6 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /23° 6.4 mm 7
7 Jan. Light rain shower
Light rain shower
 28° /23° 19.5 mm 8
8 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /24° 15.5 mm 7
9 Jan. Patchy rain possible
Patchy rain possible
 30° /23° 2.6 mm 8
10 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /23° 12.7 mm 8
11 Jan. Patchy rain possible
Patchy rain possible
 30° /24° 5.9 mm 9
12 Jan. Moderate rain at times
Moderate rain at times
 30° /24° 6.8 mm 9
13 Jan. Patchy light rain with thunder
Patchy light rain with thunder
 30° /24° 23.9 mm 9
14 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /24° 19.5 mm 9
15 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /24° 7.4 mm 10
16 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /24° 14.1 mm 9
17 Jan. Patchy rain possible
Patchy rain possible
 31° /24° 6.9 mm 9
18 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /24° 14.7 mm 9
19 Jan. Patchy rain possible
Patchy rain possible
 30° /24° 2.8 mm 9
20 Jan. Patchy rain possible
Patchy rain possible
 30° /23° 8.4 mm 9
21 Jan. Patchy rain possible
Patchy rain possible
 30° /23° 2.1 mm 8
22 Jan. Patchy rain possible
Patchy rain possible
 30° /23° 2 mm 9
23 Jan. Patchy rain possible
Patchy rain possible
 31° /23° 1.2 mm 10
24 Jan. Patchy rain possible
Patchy rain possible
 30° /24° 0.5 mm 10
25 Jan. Patchy rain possible
Patchy rain possible
 30° /24° 1.4 mm 8
26 Jan. Light rain shower
Light rain shower
 30° /24° 5.6 mm 8
27 Jan. Light rain shower
Light rain shower
 28° /24° 24.1 mm 7
28 Jan. Heavy rain at times
Heavy rain at times
 29° /23° 9.1 mm 9
29 Jan. Patchy rain possible
Patchy rain possible
 30° /23° 0.4 mm 3.5
30 Jan. Patchy rain possible
Patchy rain possible
 30° /23° 1 mm 3.7
31 Jan. Patchy rain possible
Patchy rain possible
 28° /22° 2.9 mm 3.6
Next
Important Notice
Our weather forecast for Cairns in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cairns forecast closer to your planned date for the most up-to-date weather information.
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Cairns in January - FAQ

What are the expected maximum and minimum temperatures in Cairns during January?

During January, expect a variety of temperatures with highs around 31° and lows near 23°, suitable for diverse activities and preferences.

How much rainfall should be expected in Cairns during January?

Significant rainfall exceeding 1066 mm is expected in Cairns during January, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Cairns during January?

The average wind speed in Cairns during January is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

Cairns water temperatures in January

The average water temperature of the Pacific Ocean near Cairns in January is 28.8 °C. At the beginning of January temperatures are around 28.4 °C; by the end of the month they get a bit warmer and reach 29.2 °C.

What is the water temperature in Cairns in January?
The average water temperature in Cairns in January is 28.8 °C.
Can you swim in Cairns in January?
The sea feels almost bath-like – perfect for floating, paddle-boarding or spending hours snorkeling without a wetsuit.

January rainfall patterns in Cairns

Explore the daily rainfall trends and prepare for Cairnss January weather 💧
Typically, Cairns has 29 rainy days in January with a total of 1066 mm of rainfall.

UV exposure in Cairns during January

Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️

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Get accurate weather forecasts for Cairns, located at latitude -16.924 and longitude 145.766. Stay updated with localized weather information tailored for Cairns.

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