Portland Water Temperature

Portland is a town close to Great Australian Bight. February is the month with the warmest water temperature at 64.2°F / 17.9°C. The coolest month is September with an avg. water temperature of 56.7°F / 13.7°C. January is the sunniest at 0.1in / 2mm and July the wettest month with 3.8in / 95.7mm. The average air temperature is around 64.2°F / 17.9°C, February is the hottest month in a year. July is the coolest with 52°F / 11.1°C average air temperature. temperate climate with warm and dry summer would be the climate here. January, February, March, December would be the best time to visit.

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

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 warmest water temperature are in February with around 64.2°F / 17.9°C. The coldest in September with an average water temperature of 56.7°F / 13.7°C.

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 month with the lowest rain of 0.1in / 2mm and July with the highest precipitation in a year with 3.8in / 95.7mm. The avg. temperature is around 64.2°F / 17.9°C, February is the month with the highest temperature. July is the coolest 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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