Portland Water Temperature

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Portland is a town close to Great Australian Bight. February is the month with the highest water temperature at 64.2°F / 17.9°C.
The coldest month is September with an average water temperature of 56.7°F / 13.7°C.
January is the driest at 0.1in / 2mm and July the wettest month with 3.8in / 95.7mm.
With an average air temperature of 64.2°F / 17.9°C, February is the warmest month in a year. July is the coldest with 52°F / 11.1°C average air temperature.
The Climate is described as temperate climate with warm and dry summer. Best time to Visit would be in January, February, March, December.

Portland Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: February with 17.9°C / 64.2°F
Coldest Month Water Temperature: September with 13.7°C / 56.7°F
Warmest Month Air Temperature: February with 17.9°C / 64.2°F
Coldest Month Air Temperature: July with 11.1°C / 52°F
Wettest Month: July with 95.7mm / 3.8in
Driest Month: January with 2mm / 0.1in
Highest Humidity June with 74.5%
Lowest Humidity January with 67.9%
Best Time to Visit: January, February, March, December
Climate Classification temperate climate with warm and dry summer

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Portland water temperature by month

Great Australian Bight water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

18.1 17.5 16.7

February

18.1 17.9 17.7

March

17.8 17.3 16.9

April

16.9 16.5 16.2

May

16.3 16 15.8

June

15.9 15.5 15.1

July

15.1 14.8 14.4

August

14.4 14 13.7

September

13.9 13.7 13.5

October

14.5 14.1 13.8

November

15.7 15 14.3

December

16.8 16.1 15.6

Great Australian Bight water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

64.6 63.5 62.1

February

64.6 64.2 63.9

March

64 63.1 62.4

April

62.4 61.7 61.2

May

61.3 60.8 60.4

June

60.6 59.9 59.2

July

59.2 58.6 57.9

August

57.9 57.2 56.7

September

57 56.7 56.3

October

58.1 57.4 56.8

November

60.3 59 57.7

December

62.2 61 60.1
The highest water temperature will be reached in February with around 64.2°F / 17.9°C. The lowest in September with an average water temperature of 56.7°F / 13.7°C.

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Portland weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Dec. 04
Clear Sky
66 °F
56°F
19 °C
14°C
2mph (3km/h)
south
0in (0mm)
0 %
73%
Dec. 05
Few clouds
82 °F
59°F
28 °C
15°C
2mph (3km/h)
east-northeast
0in (0mm)
0 %
65%
Dec. 06
Heavy rain
70 °F
65°F
21 °C
18°C
1mph (2km/h)
southeast
1in (30mm)
90 %
89%
Dec. 07
Light shower rain
62 °F
58°F
17 °C
15°C
4mph (7km/h)
west-southwest
0in (5mm)
70 %
80%
Dec. 08
Broken clouds
62 °F
55°F
17 °C
13°C
4mph (6km/h)
west-southwest
0in (1mm)
30 %
64%
Dec. 09
Few clouds
61 °F
49°F
16 °C
9°C
2mph (3km/h)
south-southwest
0in (0mm)
20 %
72%
Dec. 10
Scattered clouds
64 °F
47°F
18 °C
8°C
2mph (3km/h)
east-southeast
0in (0mm)
0 %
77%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Dec. 11
Few clouds
67 °F
53°F
19 °C
12°C
2mph (3km/h)
south-southwest
0in (0mm)
0 %
71%
Dec. 12
Few clouds
77 °F
51°F
25 °C
11°C
2mph (3km/h)
east
0in (0mm)
0 %
72%
Dec. 13
Overcast clouds
88 °F
64°F
31 °C
18°C
3mph (6km/h)
west
0in (0mm)
20 %
52%
Dec. 14
Heavy rain
58 °F
51°F
15 °C
10°C
4mph (6km/h)
southwest
1in (34mm)
95 %
86%
Dec. 15
Overcast clouds
59 °F
52°F
15 °C
11°C
3mph (4km/h)
south
0in (0mm)
15 %
64%
Dec. 16
Few clouds
62 °F
56°F
16 °C
13°C
4mph (6km/h)
southeast
0in (0mm)
20 %
77%
Dec. 17
Overcast clouds
73 °F
58°F
23 °C
14°C
1mph (2km/h)
south-southeast
0in (1mm)
15 %
73%
Dec. 18
Heavy rain
67 °F
56°F
19 °C
13°C
3mph (5km/h)
south-southeast
1in (21mm)
90 %
89%
Dec. 19
Light shower rain
65 °F
59°F
18 °C
15°C
5mph (7km/h)
south-southwest
0in (4mm)
70 %
73%

Portland weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

23 17.5 14.4 2 0 67.9%

February

22.3 17.9 14.9 12 0 69.6%

March

21.5 16.8 13.5 13.7 0 69%

April

19.4 15.2 12.1 5.4 0 70.1%

May

16.6 13.5 10.4 21.1 6 72.5%

June

14.1 11.8 9.5 42.1 10 74.5%

July

13.2 11.1 8.9 95.7 15 74%

August

14.6 11.3 9.1 83.8 13 72.1%

September

15.5 12.2 9.4 59.7 9 70.8%

October

17.3 13.2 10.4 26.8 0 69%

November

19.5 14.5 11.3 21.5 1 70.9%

December

21.6 15.9 12.7 8.7 0 68.8%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

73.4 63.5 57.9 0.1 0 67.9%

February

72.1 64.2 58.8 0.5 0 69.6%

March

70.7 62.2 56.3 0.5 0 69%

April

66.9 59.4 53.8 0.2 0 70.1%

May

61.9 56.3 50.7 0.8 6 72.5%

June

57.4 53.2 49.1 1.7 10 74.5%

July

55.8 52 48 3.8 15 74%

August

58.3 52.3 48.4 3.3 13 72.1%

September

59.9 54 48.9 2.4 9 70.8%

October

63.1 55.8 50.7 1.1 0 69%

November

67.1 58.1 52.3 0.8 1 70.9%

December

70.9 60.6 54.9 0.3 0 68.8%
January is the driest at 0.1in / 2mm and July the wettest month with 3.8in / 95.7mm. With an average temperature of 64.2°F / 17.9°C, February is the warmest month in a year. July is the coldest with 52°F / 11.1°C average temperature.

Activities & POI in Portland

Type of Activity List
Attraction Maritime Discovery Centre
Caravan Site Portland Holiday Village, Portland Bay Holiday Park, Portland Claremont Tourist Park
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