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 19.5 21.3 18.1
Mean Min (°C)
13.5 13.4 11.9 9.6 7.2 5.5 4.8 5.2 6.6 8.1 10.3 11.8 8.9
Mean Rain (mm)
69.5 59.3 64.3 47.8 48.5 64.0 43.4 54.6 53.0 64.5 78.7 56.9 704.6
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 10.3 9.6 11.6 13.4 17.0 17.4 15.6 12.1 12.3 11.1 10.3 148.0

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 17.5 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 Ap annual climate

St Helens Ap Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°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°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°C
1.8 0.8 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 0.6 4.0
≤ 2°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 18.4
≤ 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
21 21 21 19 21 21 21 21 21 21 21 21 21.0
Earliest Entry
2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001
Latest Entry
2022 2022 2022 2022 2021 2021 2021 2021 2021 2021 2021 2021 2022
Years of Maxima
21 21 21 20 21 21 21 21 21 21 21 21 21.0
Earliest Entry
2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001
Latest Entry
2022 2022 2022 2022 2021 2021 2021 2021 2021 2021 2021 2021 2022
Years of Rainfall
21 20 20 19 21 21 20 21 20 21 21 21 21.0
Earliest Entry
2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001
Latest Entry
2022 2022 2022 2022 2021 2021 2021 2021 2021 2021 2021 2021 2022

Station Details

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

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