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Northam Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
34.2 33.7 30.7 26.1 21.3 17.9 16.9 18.0 20.5 24.1 28.5 32.1 25.3
Mean Min (°C)
17.2 17.3 15.5 12.0 8.5 6.5 5.4 5.7 6.9 8.9 12.5 15.3 10.9
Mean Rain (mm)
10.7 13.6 18.1 23.6 55.9 79.5 82.2 58.8 35.9 24.7 12.7 8.9 415.3
Median Rain (mm)
1.2 3.5 7.6 17.3 50.9 73.8 71.6 56.2 33.0 19.9 8.8 2.8 416.8
Mean Rain Days
1.9 2.1 2.9 5.4 10.5 14.3 15.9 13.7 10.7 7.0 3.9 2.3 76.8

Northam Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
46.3 48.1 43.9 39.5 35.2 27.2 25.2 28.3 34.6 40.0 44.1 45.6 48.1
Low Max (°C)
17.4 17.5 15.6 13.8 10.0 10.0 10.0 8.9 8.3 12.2 13.3 16.1 8.3
High Min (°C)
28.9 29.8 27.3 24.4 20.0 16.1 15.6 14.7 16.7 21.7 25.6 26.6 29.8
Low Min (°C)
7.3 7.9 4.9 0.6 -2.3 -3.9 -3.2 -1.7 -1.4 -0.3 2.1 4.5 -3.9
High Rain (mm)
101.6 115.6 126.2 74.7 65.3 67.1 53.8 33.0 33.6 59.8 34.3 49.5 126.2

Northam Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
37.9 38.2 34.4 29.5 24.5 20.1 19.1 21.0 24.7 28.3 32.8 35.5 27.0
Low Mn. Max (°C)
30.2 30.3 25.9 22.1 18.7 15.3 14.8 15.9 17.6 20.8 24.2 28.3 23.5
High Mn. Min (°C)
19.9 20.8 18.0 15.2 12.1 10.4 8.6 8.7 9.0 12.4 15.1 18.4 12.8
Low Mn. Min (°C)
15.0 15.2 12.5 9.1 4.8 2.8 1.9 2.3 4.3 6.4 9.7 11.4 9.7
High Rain (mm)
135.4 189.8 188.9 99.2 148.3 232.9 221.3 170.0 102.4 89.1 85.7 65.8 710.9
Low Rain (mm)
0.0 0.0 0.0 0.0 1.0 5.6 13.6 3.1 2.6 0.0 0.0 0.0 194.1

Northam Annual Temperatures & Rainfall

NORTHAM

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

Northam Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
3.8 2.9 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.9 9.7
≥ 35°C
13.9 11.6 6.5 0.8 0.0 0.0 0.0 0.0 0.0 0.5 3.7 9.0 46.0
≥ 30°C
24.8 21.8 16.7 5.9 0.5 0.0 0.0 0.0 0.4 3.5 11.2 20.2 104.7
≤ 2°C
0.0 0.0 0.0 0.1 1.0 3.6 5.8 4.5 1.7 0.3 0.0 0.0 16.6
≤ 0°C
0.0 0.0 0.0 0.0 0.2 0.8 1.8 0.8 0.2 0.0 0.0 0.0 3.8

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
39.5 39.1 36.2 31.1 25.0 20.6 19.2 20.7 24.3 29.2 34.4 37.8 34.4
Low Max
28.9 28.4 25.6 21.5 17.8 15.3 14.5 15.2 17.1 19.4 23.0 26.5 17.2
High Min
20.6 20.6 19.0 15.8 12.8 10.6 9.4 9.4 10.6 12.5 16.0 18.8 17.2
Low Min
13.9 13.9 11.8 8.3 4.4 2.3 1.6 2.0 3.3 5.1 8.9 11.9 4.5

Northam Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
107 107 104 106 104 106 106 105 105 105 106 107 105.7
Earliest Entry
1907 1907 1907 1907 1907 1907 1907 1907 1907 1907 1907 1907 1907
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
107 107 105 106 104 105 104 105 106 105 106 106 105.4
Earliest Entry
1907 1907 1907 1907 1907 1907 1907 1907 1907 1907 1907 1907 1907
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
120 118 114 111 108 108 108 107 108 110 113 116 111.6
Earliest Entry
1877 1877 1877 1891 1907 1907 1907 1907 1907 1877 1877 1877 1877
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

NORTHAM
Central Wheatbelt, Western Australia
31.6508°S 116.6586°E 170m AMSL
Commenced 1877

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