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Grafton Climate

Grafton Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
30.1 29.4 28.2 26.2 23.1 20.8 20.5 22.1 24.9 26.8 28.2 29.6 25.8
Mean Min (°C)
19.8 19.6 18.0 14.9 11.3 8.1 6.4 7.3 10.5 13.8 16.4 18.5 13.7
Mean Rain (mm)
143.7 150.8 129.4 88.4 79.5 67.5 38.1 40.9 37.9 76.5 104.5 125.6 1082.6
Median Rain (mm)
133.0 125.2 106.6 48.4 44.0 33.3 24.6 17.0 22.1 54.8 87.3 107.2 1036.4
Mean Rain Days
14.3 14.6 15.6 12.2 14.3 11.5 9.9 9.2 9.2 10.4 12.6 13.1 144.8

Grafton Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
43.8 42.1 39.0 36.7 31.7 30.5 28.2 36.3 38.3 39.3 43.8 43.4 43.8
Low Max (°C)
20.4 20.5 19.4 17.8 13.9 13.7 12.3 12.6 13.7 15.3 16.7 18.5 12.3
High Min (°C)
27.4 25.5 23.4 21.9 19.8 17.2 16.4 17.6 19.3 21.0 23.5 25.4 27.4
Low Min (°C)
12.8 12.7 10.8 3.6 0.5 -2.0 -2.2 -0.2 1.8 3.9 6.7 7.0 -2.2
High Rain (mm)
131.4 230.0 274.3 134.6 172.6 182.9 96.4 111.3 56.1 98.6 112.5 206.0 274.3

Grafton Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
32.3 31.9 32.0 28.6 25.8 22.8 22.2 25.1 28.3 30.4 31.8 33.4 27.3
Low Mn. Max (°C)
27.5 26.5 25.6 24.4 21.8 19.4 18.3 19.9 22.2 24.0 25.6 26.2 24.8
High Mn. Min (°C)
21.6 21.8 19.6 16.9 14.3 12.1 10.6 10.6 13.1 15.8 19.1 20.6 14.8
Low Mn. Min (°C)
18.1 18.1 16.5 12.5 8.6 5.7 2.6 5.2 8.5 11.5 14.1 16.0 12.3
High Rain (mm)
326.4 455.6 549.0 512.1 430.4 436.7 193.6 193.0 102.4 390.1 278.6 428.9 1583.7
Low Rain (mm)
11.4 24.7 12.3 12.8 4.0 0.9 0.3 1.6 0.4 8.1 18.2 25.6 574.4

Grafton Annual Temperatures & Rainfall

GRAFTON OLYMPIC POOL

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

Grafton Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 0.7
≥ 35.0°C
2.4 1.0 0.5 0.1 0.0 0.0 0.0 0.0 0.2 1.0 1.8 2.9 9.8
≥ 30.0°C
15.3 11.0 7.6 2.1 0.1 0.0 0.0 0.3 2.5 6.3 9.4 14.0 67.8
≤ 2.0°C
0.0 0.0 0.0 0.0 0.1 1.0 3.2 0.9 0.0 0.0 0.0 0.0 5.2
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.1 0.7 0.1 0.0 0.0 0.0 0.0 0.9

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
33.6 32.6 31.1 28.8 25.6 23.1 22.7 24.7 28.5 31.0 32.5 33.7 30.8
Low Max
26.7 26.3 25.4 23.6 20.7 18.5 18.3 19.4 21.4 22.6 24.0 25.7 20.7
High Min
21.8 21.8 20.2 17.8 15.0 12.0 10.5 11.0 14.0 17.0 19.0 21.0 19.6
Low Min
17.4 17.5 15.8 12.0 7.4 4.2 2.6 3.8 6.7 10.4 13.3 15.8 6.7

Grafton Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
48 46 48 46 46 48 48 48 49 49 49 49 47.7
Earliest Entry
1967 1967 1967 1967 1967 1967 1967 1967 1966 1966 1966 1966 1966
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
48 47 48 48 47 48 48 48 49 49 49 49 48.1
Earliest Entry
1967 1967 1967 1967 1967 1967 1967 1967 1966 1966 1966 1966 1966
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
48 48 48 48 48 48 48 48 49 49 49 49 48.3
Earliest Entry
1967 1967 1967 1967 1967 1967 1967 1967 1966 1966 1966 1966 1966
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

GRAFTON OLYMPIC POOL
Northern Rivers, New South Wales/ACT
29.6823°S 152.9278°E 9m AMSL
Commenced 1966 / Closed 2015
Display Your Local Weather

Weather News

Power plant outages contributed to overloading scare during NSW heatwave, report finds

18:22 EDT

Australia's energy operator has found power plant failures contributed to the unprecedented pressure on the New South Wales electricity grid during this month's heatwave.

Sydney flying fox backyard rescues at record high due to food shortage, heat

15:24 EDT

Flying fox rescuers in Sydney are experiencing "the worst season ever" as a record number of bats get caught and injured in nets used to protect backyard fruit trees.

Weekend rainfall on the cards for hot and dry inland NSW

11:55 EDT

With a few days to go until the official end to the summer season, it looks like parts of New South Wales could still see the odd drop of rain.