12.19
fri
fri
DAY

88°F
W 11 mph
precip
67%
67%
NIGHT

78°F
SE 6 mph
precip
100%
100%
12.20
sat
sat
DAY

88°F
S 9 mph
precip
100%
100%
NIGHT

72°F
N 9 mph
precip
0%
0%
12.21
sun
sun
DAY

90°F
SW 12 mph
precip
84%
84%
NIGHT

76°F
SW 8 mph
precip
0%
0%
12.22
mon
mon
DAY

74°F
NW 15 mph
precip
83%
83%
NIGHT

68°F
W 6 mph
precip
27%
27%
12.23
tue
tue
DAY

76°F
SW 16 mph
precip
0%
0%
NIGHT

70°F
N 7 mph
precip
57%
57%
12.24
wed
wed
DAY

82°F
SW 11 mph
precip
0%
0%
NIGHT

70°F
N 14 mph
precip
59%
59%
12.25
thu
thu
DAY

66°F
NW 18 mph
precip
25%
25%
NIGHT

62°F
NW 9 mph
precip
100%
100%
12.26
fri
fri
DAY

64°F
N 16 mph
precip
20%
20%
NIGHT

64°F
N 8 mph
precip
70%
70%
12.27
sat
sat
DAY

70°F
NW 10 mph
precip
0%
0%
NIGHT

68°F
N 12 mph
precip
100%
100%
12.28
sun
sun
DAY

72°F
NW 14 mph
precip
26%
26%
NIGHT

64°F
NW 4 mph
precip
54%
54%
12.29
mon
mon
DAY

72°F
W 9 mph
precip
0%
0%
NIGHT

68°F
W 5 mph
precip
75%
75%
12.30
tue
tue
DAY

74°F
W 11 mph
precip
24%
24%
NIGHT

68°F
SW 7 mph
precip
62%
62%
12.31
wed
wed
DAY

78°F
W 13 mph
precip
0%
0%
NIGHT

68°F
SW 7 mph
precip
41%
41%
01.01
thu
thu
DAY

78°F
SW 14 mph
precip
0%
0%
NIGHT

72°F
SW 16 mph
precip
0%
0%
Sea water
temperature
temperature
| Sydney |
Weather in
December
December
| Sydney |
7 day weather
forecast
forecast
| Sydney |
10 day weather
forecast
forecast
| Sydney |
14 day weather
forecast
forecast
| Sydney |
Monthly weather
averages
averages
| Sydney |
Current Weather
Conditions
Conditions
| Sydney |
Sydney Sea Water Temperature in December, °F
The average sea surface temperature in December 2025 for Sydney was 73.5°F. The maximum and minimum values were 71.2°F and 75.2°F respectively.
Australia Resorts:
NAME
F°
| Adelaide | ![]() |
+84 |
| Brisbane | ![]() |
+84 |
| Cairns | ![]() |
+86 |
| Canberra | ![]() |
+96 |
| Darwin | ![]() |
+86 |
| Fraser | ![]() |
+80 |
| Gold Coast | ![]() |
+80 |
| Melbourne | ![]() |
+86 |
| Perth | ![]() |
+68 |
| Sydney | ![]() |
+82 |
| Tasmania | ![]() |
+74 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Sydney
Local time: 09:19
19 dec, friday
| 1200 | ![]() |
88°F | W 11 mph |
| 1500 | ![]() |
80°F | SW 6 mph |
| 1800 | ![]() |
78°F | N 6 mph |
| 2100 | ![]() |
80°F | N 1 mph |
20 dec, saturday
| 0000 | ![]() |
78°F | SE 6 mph |
| 0300 | ![]() |
74°F | N 6 mph |
| 0600 | ![]() |
74°F | NE 2 mph |
| 0900 | ![]() |
80°F | S 10 mph |




























