Lake Dartmouth Climate

Lake Dartmouth Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
29.5 29.0 25.9 20.9 16.0 12.6 11.7 13.4 16.7 20.4 24.0 26.8 20.5
Mean Min (°C)
13.9 13.6 11.1 7.4 4.8 3.1 2.3 2.8 4.6 6.8 9.9 12.0 7.6
Mean Rain (mm)
63.6 57.0 61.4 58.2 87.5 99.7 113.5 123.0 103.4 93.9 69.4 75.6 992.3
Median Rain (mm)
46.7 39.6 49.0 46.5 80.0 93.4 110.6 124.8 100.1 89.2 55.1 64.0 1008.5
Mean Rain Days
6.3 5.9 6.7 7.6 10.7 12.5 15.0 14.8 13.1 10.9 8.7 7.7 119.1

Lake Dartmouth Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
42.2 43.0 39.0 33.4 26.4 20.0 19.6 27.2 28.4 33.2 37.9 39.2 43.0
Low Max (°C)
14.2 10.8 11.0 9.0 4.1 4.7 4.7 5.9 7.5 9.8 11.1 12.0 4.1
High Min (°C)
25.1 24.0 22.7 19.1 15.0 12.0 11.2 11.4 14.1 18.0 19.9 23.2 25.1
Low Min (°C)
2.8 2.3 1.9 -1.6 -3.5 -5.0 -5.4 -5.0 -3.7 -1.5 -0.2 1.4 -5.4
High Rain (mm)
65.6 99.1 70.8 57.0 91.2 54.4 66.6 91.6 101.6 104.1 63.5 118.6 118.6

Lake Dartmouth Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
34.4 33.8 29.1 23.8 18.0 14.5 13.3 17.0 19.5 25.4 28.7 29.9 22.1
Low Mn. Max (°C)
25.5 25.1 22.7 17.6 13.9 10.5 9.5 10.9 13.4 17.4 19.6 23.6 19.0
High Mn. Min (°C)
18.1 15.7 14.0 11.3 8.3 5.9 4.6 5.2 7.1 9.4 13.0 14.6 8.8
Low Mn. Min (°C)
10.5 11.3 9.0 4.0 2.7 0.4 -0.0 -0.1 1.8 4.8 7.3 9.1 6.3
High Rain (mm)
207.6 305.2 237.2 183.2 229.7 254.3 260.2 252.1 213.4 247.4 171.3 196.0 1406.0
Low Rain (mm)
0.0 0.0 2.0 0.0 0.0 7.2 23.6 19.0 24.6 9.8 6.6 1.5 403.9

Lake Dartmouth Annual Temperatures & Rainfall

DARTMOUTH RESERVOIR

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

Lake Dartmouth Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3
≥ 35.0°C
3.7 2.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.1 7.6
≥ 30.0°C
14.2 12.4 5.2 0.2 0.0 0.0 0.0 0.0 0.0 0.4 3.2 7.6 42.9
≤ 2.0°C
0.0 0.0 0.1 1.6 6.8 11.7 14.7 12.6 6.9 1.9 0.3 0.0 56.6
≤ 0.0°C
0.0 0.0 0.0 0.3 1.7 5.4 7.5 5.9 2.4 0.3 0.0 0.0 23.6

Lake Dartmouth 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
34.0 33.8 30.5 24.7 19.5 15.2 14.2 16.7 20.2 24.6 28.9 31.5 29.2
Low Max
23.8 24.2 20.8 16.6 13.0 9.7 9.1 10.0 12.8 15.5 18.5 21.2 12.2
High Min
17.3 16.8 14.5 11.2 8.8 6.7 5.5 6.0 8.0 10.4 13.6 15.3 13.7
Low Min
9.6 10.2 7.2 3.4 1.2 -0.4 -1.0 -0.7 1.0 3.1 5.7 7.8 1.6

Lake Dartmouth Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
46 45 45 43 43 44 45 45 44 45 44 44 45.0
Earliest Entry
1975 1976 1975 1975 1975 1975 1975 1975 1975 1975 1975 1975 1975
Latest Entry
2021 2021 2021 2020 2020 2020 2020 2020 2020 2020 2020 2020 2021
Years of Maxima
46 45 45 43 44 43 44 45 45 45 44 44 45.0
Earliest Entry
1975 1976 1975 1975 1975 1975 1975 1975 1975 1975 1975 1975 1975
Latest Entry
2021 2021 2021 2020 2020 2020 2020 2020 2020 2020 2020 2020 2021
Years of Rainfall
69 68 66 64 67 67 67 67 67 66 65 66 66.0
Earliest Entry
1919 1919 1919 1919 1918 1918 1918 1918 1918 1918 1918 1918 1918
Latest Entry
2021 2021 2021 2020 2020 2020 2020 2020 2020 2020 2020 2020 2021

Station Details

DARTMOUTH RESERVOIR
North East, Victoria
36.5352°S 147.4984°E 365m AMSL
Commenced 1918
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