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St Helens Ap Climate

St Helens Ap Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
 23.0 22.0 21.1 18.6 16.1 14.1 13.6 14.2 16.1 17.6 19.6 21.3 18.1
Mean Min (°C)
 13.4 13.4 11.8 9.6 7.2 5.5 4.8 5.2 6.6 8.1 10.3 11.8 8.9
Mean Rain (mm)
 68.8 58.9 62.9 47.8 48.5 64.0 43.4 54.5 53.0 59.7 80.6 59.3 702.2
Median Rain (mm)
 37.8 40.6 31.3 37.4 33.0 46.6 38.0 59.8 42.6 54.7 50.5 37.3 701.6
Mean Rain Days
 8.4 10.4 9.5 11.6 13.4 17.0 17.4 15.7 12.1 12.0 11.2 10.5 148.2

St Helens Ap Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
 41.8 35.6 34.4 28.4 24.1 19.2 17.7 20.9 25.2 29.7 33.8 36.8 41.8
Low Max (°C)
 15.6 13.9 14.3 10.8 9.8 9.2 9.0 8.8 10.2 11.1 11.1 13.6 8.8
High Min (°C)
 21.2 21.0 20.7 17.2 15.6 15.3 12.8 12.5 14.2 17.2 18.2 20.0 21.2
Low Min (°C)
 4.8 6.3 3.1 1.3 0.0 -1.0 -0.9 -1.0 -0.3 0.9 1.9 4.3 -1.0
High Rain (mm)
 148.0 70.8 112.0 184.0 104.0 45.0 33.6 64.0 82.4 67.2 121.0 69.4 184.0

St Helens Ap Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
 25.8 24.3 22.9 20.4 17.9 15.2 14.5 15.5 17.4 19.5 21.0 23.1 18.7
Low Mn. Max (°C)
 20.4 20.1 19.8 16.4 14.5 12.7 12.7 12.9 14.5 15.3 17.6 18.6 17.3
High Mn. Min (°C)
 15.0 15.5 13.6 10.7 9.6 7.0 6.1 7.8 8.0 9.4 11.8 13.4 9.6
Low Mn. Min (°C)
 11.8 12.0 10.5 7.4 5.9 3.2 3.0 3.7 4.8 6.2 8.5 9.8 8.1
High Rain (mm)
 238.4 200.6 173.4 229.2 179.0 180.2 82.2 184.8 122.4 208.8 291.4 169.2 1214.4
Low Rain (mm)
 0.2 9.6 13.0 16.4 6.4 2.0 15.6 2.6 13.4 9.4 13.2 3.8 363.4

St Helens Ap Annual Temperatures & Rainfall

ST HELENS AERODROME

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

St Helens Ap Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°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
≥ 35.0°C
 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6
≥ 30.0°C
 1.8 0.8 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 0.5 4.0
≤ 2.0°C
 0.0 0.0 0.0 0.2 1.0 4.2 5.5 5.1 2.0 0.4 0.0 0.0 18.8
≤ 0.0°C
 0.0 0.0 0.0 0.0 0.1 0.4 0.7 0.7 0.1 0.0 0.0 0.0 2.0

St Helens Ap 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
 26.2 24.6 24.1 21.3 18.4 16.0 15.2 16.6 18.3 20.0 22.7 24.2 22.3
Low Max
 18.8 18.9 18.0 15.4 13.4 12.0 11.5 12.1 13.4 14.2 15.7 17.8 13.4
High Min
 15.9 16.2 14.6 12.8 10.8 9.0 7.9 8.7 10.1 11.4 13.1 14.4 13.5
Low Min
 9.9 10.2 8.1 6.1 4.2 2.0 1.8 2.0 3.3 4.5 7.1 8.3 4.0

St Helens Ap Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
 20 20 20 19 21 21 21 21 21 20 20 20 20.0
Earliest Entry
 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001
Latest Entry
 2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2021
Years of Maxima
 20 20 20 20 21 21 21 21 21 20 20 20 20.0
Earliest Entry
 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001
Latest Entry
 2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2021
Years of Rainfall
 20 19 19 19 21 21 20 21 20 20 20 20 20.0
Earliest Entry
 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001
Latest Entry
 2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2021

Related Links

Station Details

ST HELENS AERODROME
East Coast, Tasmania
41.3381°S 148.2792°E 48m AMSL
Commenced 2001
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