Thevenard Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
33.3 33.9 34.1 32.3 28.8 25.4 25.0 26.3 27.9 29.8 30.8 32.3 29.9
Mean Min (°C)
24.9 26.3 26.3 24.4 21.2 18.5 17.0 16.8 18.1 19.8 21.5 23.4 21.8
Mean Rain (mm)
33.0 58.8 30.6 18.4 49.3 38.0 15.1 4.2 2.4 1.1 0.9 7.7 247.2
Median Rain (mm)
0.1 42.6 8.3 6.0 2.2 14.4 4.3 2.1 0.8 0.0 0.0 0.1 194.9
Mean Rain Days
3.3 3.4 2.8 2.3 4.3 5.9 4.5 4.7 2.5 1.1 0.7 1.4 35.9

Thevenard Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
44.1 44.0 44.2 40.2 35.7 30.5 31.0 34.5 39.1 41.4 41.0 43.7 44.2
Low Max (°C)
27.1 27.0 24.7 23.2 19.8 18.0 19.0 19.0 21.0 3.2 24.6 27.0 3.2
High Min (°C)
30.9 30.7 32.7 30.1 26.5 24.7 24.0 22.5 24.7 26.9 28.2 30.1 32.7
Low Min (°C)
6.0 6.0 20.0 16.8 10.0 11.8 6.0 6.0 -9.0 -1.2 6.0 6.0 -9.0
High Rain (mm)
242.8 329.0 143.6 73.8 120.2 60.0 68.8 15.4 14.6 9.0 14.4 95.0 329.0

Thevenard Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
35.5 36.1 36.3 35.6 30.1 27.0 27.0 27.8 29.6 33.9 32.5 35.5 30.9
Low Mn. Max (°C)
31.2 32.0 32.5 29.6 26.2 23.6 23.0 24.2 25.8 27.8 28.1 30.3 28.4
High Mn. Min (°C)
27.6 28.1 27.8 25.9 22.6 21.1 19.7 19.0 21.1 22.8 23.9 26.6 22.7
Low Mn. Min (°C)
7.3 24.4 24.7 23.2 19.4 17.0 6.0 6.0 6.0 6.4 6.6 6.5 20.3
High Rain (mm)
266.4 456.0 263.6 135.8 299.2 117.0 93.6 16.4 29.0 16.2 14.4 104.0 681.0
Low Rain (mm)
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 64.8

Thevenard Island Annual Temperatures & Rainfall

Thevenard Island annual climate

Thevenard Island Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.4 0.8 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.3 2.1
≥ 35°C
7.5 8.6 9.3 4.1 0.2 0.0 0.0 0.0 0.2 1.4 2.1 5.1 36.3
≥ 30°C
28.8 26.3 29.2 25.5 9.6 0.3 0.1 1.5 4.8 13.4 17.2 25.6 172.9
≤ 2°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.1
≤ 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 0.1

Thevenard Island 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
35.5 36.2 36.4 34.5 31.0 27.6 26.3 27.8 29.5 32.0 33.0 34.2 34.0
Low Max
30.5 31.0 31.7 29.5 26.4 23.1 23.0 24.0 25.0 27.0 28.0 29.0 25.0
High Min
27.0 28.0 27.5 26.1 23.4 21.0 19.2 19.0 20.0 22.2 23.8 25.0 25.9
Low Min
23.0 24.2 24.2 22.4 19.0 16.0 14.4 14.5 16.0 17.0 18.9 21.0 17.0

Thevenard Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
27 26 24 27 26 26 30 30 32 29 25 25 29.0
Earliest Entry
1991 1991 1992 1993 1993 1992 1990 1990 1990 1990 1990 1990 1990
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Maxima
27 26 23 27 25 25 28 28 29 27 24 24 26.0
Earliest Entry
1991 1991 1992 1992 1992 1992 1990 1990 1990 1990 1990 1990 1990
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Rainfall
25 26 24 26 25 25 26 26 27 26 23 20 27.0
Earliest Entry
1996 1995 1995 1995 1995 1995 1994 1994 1995 1995 1995 1994 1994
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025

Station Details

THEVENARD ISLAND
Pilbara, Western Australia
21.4609°S 115.0188°E 5m AMSL
Commenced 1989

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