RefDat Weather

Cairns vs Sydney Weather Compared

Cairns runs 6.1 degrees warmer than Sydney on average, 28.3 degrees to 22.2 degrees across the year. Cairns collects 2,391mm of rain a year to Sydney's 1,068mm, a 1,323mm gap. On the RefDat Comfort Score, Sydney edges out Cairns 7.0/10 to 6.1/10.

Summary Comparison

Cairns

Avg Max Temp 28.3°C
Avg Min Temp 21.0°C
Annual Rainfall 2391mm
Days >35°C 1
Frost Days 0
Comfort Score 6.1/10

Sydney

Avg Max Temp 22.2°C
Avg Min Temp 14.0°C
Annual Rainfall 1068mm
Days >35°C 3
Frost Days 0
Comfort Score 7.0/10

Key Differences

Monthly Comparison

Month Cairns Max
(°C)
Sydney Max
(°C)
Cairns Min
(°C)
Sydney Min
(°C)
Cairns Rain
(mm)
Sydney Rain
(mm)
Cairns Comfort Sydney Comfort
January 31.2 26.6 24.5 19.7 689.0 117.9 3.9 7.0
February 30.5 26.5 24.3 19.5 316.3 82.3 4.1 6.8
March 29.5 25.5 23.8 17.2 513.7 58.9 4.2 7.9
April 28.6 21.9 22.1 14.0 120.7 160.4 5.4 7.3
May 26.1 18.8 20.6 11.4 82.0 159.7 6.2 4.9
June 25.9 16.0 16.7 7.7 18.5 139.8 8.9 4.0
July 24.6 16.1 16.9 8.4 66.5 38.4 8.6 4.9
August 25.6 19.4 17.8 10.1 60.9 35.8 7.6 7.3
September 27.1 22.2 19.1 11.0 59.6 59.8 7.3 8.9
October 29.1 21.7 20.5 12.6 24.6 41.2 7.0 8.2
November 30.2 25.2 21.7 17.6 60.9 120.7 5.9 8.0
December 30.9 26.8 23.6 19.1 378.7 53.2 4.2 8.4

Temperature Comparison

Average Maximum Temperature (°C)
Jan
31
27
Feb
30
26
Mar
30
26
Apr
29
22
May
26
19
Jun
26
16
Jul
25
16
Aug
26
19
Sep
27
22
Oct
29
22
Nov
30
25
Dec
31
27

Rainfall Comparison

Monthly Rainfall (mm)
Jan
689
118
Feb
316
82
Mar
514
59
Apr
121
160
May
82
160
Jun
18
140
Jul
66
38
Aug
61
36
Sep
60
60
Oct
25
41
Nov
61
121
Dec
379
53

Which City is Better For...

Beach Holidays

Warmer water, more sunshine, and less rain are ideal. Sydney edges ahead with better summer comfort.

Avoiding Extreme Heat

Fewer days above 35°C and milder overall temperatures. Cairns offers better relief from extreme heat.

Outdoor Activities

Moderate temperatures, lower humidity, and some sunshine. Sydney's spring and autumn offer ideal conditions.

Sunny Skies

More solar radiation and clearer days. Cairns has higher average solar radiation.

Learn More