Portland Climate

Portland Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
21.3 20.6 20.1 18.3 16.0 14.3 13.6 14.1 15.6 17.3 18.4 19.9 17.5
Mean Min (°C)
15.2 15.5 14.2 12.2 10.5 8.7 8.3 8.5 9.3 10.7 11.9 13.5 11.5
Mean Rain (mm)
- - - - - - - - - - - - -
Median Rain (mm)
- - - - - - - - - - - - -
Mean Rain Days
- - - - - - - - - - - - -

Portland Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
40.3 37.2 37.5 33.3 25.6 18.6 18.4 22.6 26.5 33.2 35.9 43.5 43.5
Low Max (°C)
15.5 15.9 14.9 13.0 11.9 9.6 10.0 10.1 10.5 12.0 12.9 13.8 9.6
High Min (°C)
21.7 22.4 19.9 17.6 17.5 14.8 13.0 13.1 15.6 18.6 20.6 18.3 22.4
Low Min (°C)
9.6 8.1 6.1 5.2 3.0 2.9 2.2 2.7 3.0 5.8 6.5 7.0 2.2
High Rain (mm)
- - - - - - - - - - - - -

Portland Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
22.6 22.2 22.3 19.5 17.2 14.9 14.2 15.5 17.2 19.9 20.6 21.0 17.9
Low Mn. Max (°C)
19.8 18.8 18.4 16.3 14.7 13.7 12.8 12.9 14.6 15.9 16.4 18.5 17.0
High Mn. Min (°C)
15.8 16.9 16.0 13.1 11.5 10.2 9.1 9.2 10.9 11.6 12.8 14.5 11.8
Low Mn. Min (°C)
14.4 14.1 13.1 11.6 9.4 7.3 7.3 7.5 8.4 9.7 10.5 12.6 11.0
High Rain (mm)
- - - - - - - - - - - - -
Low Rain (mm)
- - - - - - - - - - - - -

Portland Annual Temperatures & Rainfall

PORTLAND NTC AWS

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Portland Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.3
≥ 35.0°C
1.5 0.3 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.7 3.1
≥ 30.0°C
2.4 1.5 1.4 0.3 0.0 0.0 0.0 0.0 0.0 0.8 1.2 1.6 9.9
≤ 2.0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Portland 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
- - - - - - - - - - - - -
Low Max
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High Min
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Low Min
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Portland Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
10 10 10 10 11 11 11 11 11 10 9 10 9.0
Earliest Entry
2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2021
Years of Maxima
10 10 10 10 11 11 11 11 11 10 9 10 9.0
Earliest Entry
2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2021
Years of Rainfall
- - - - - - - - - - - - -
Earliest Entry
- - - - - - - - - - - - -
Latest Entry
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Station Details

PORTLAND NTC AWS
South West, Victoria
38.3439°S 141.6136°E 0m AMSL
Commenced 1991
Display Your Local Weather

Weather News

Promising signs of SA dry spell coming to an end

17:13 EDT

Much of South Australia has had little or no rain during the past week or so, making some farmers nervous, but they shouldn't have to wait too much longer.

Skies spark over northwestern Queensland

14:15 EDT

Slow-moving storms have brought very heavy rain to parts of northwestern Queensland this morning, with one location receiving four months' worth of rain in just five hours.

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