Christmas Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
28.0 28.1 28.3 28.3 27.9 27.1 26.3 26.1 26.2 26.9 27.4 27.8 27.4
Mean Min (°C)
22.8 22.8 23.1 23.6 23.8 23.3 22.6 22.2 22.3 22.7 23.0 22.7 22.9
Mean Rain (mm)
287.4 344.3 301.8 229.4 183.2 166.3 90.4 42.5 53.8 77.3 171.8 215.8 2137.6
Median Rain (mm)
269.0 303.8 236.4 222.4 138.8 90.9 47.9 25.2 21.8 29.5 99.8 135.8 1889.0
Mean Rain Days
19.0 20.1 21.8 18.6 16.1 14.1 12.1 10.4 8.5 8.3 11.9 15.4 174.7

Christmas Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
31.6 31.5 33.1 31.4 30.7 29.8 30.1 29.5 30.9 31.4 31.8 31.5 33.1
Low Max (°C)
24.1 24.2 24.6 25.1 24.0 23.4 22.8 22.9 23.0 23.2 23.6 23.4 22.8
High Min (°C)
26.1 25.8 26.2 26.7 26.5 25.9 25.4 25.2 24.8 25.5 25.8 25.6 26.7
Low Min (°C)
18.8 18.4 18.6 18.3 19.3 14.1 16.2 17.7 16.7 18.2 18.0 17.1 14.1
High Rain (mm)
145.0 186.2 173.2 155.2 171.6 140.0 155.6 57.1 138.8 195.8 212.6 141.2 212.6

Christmas Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
29.5 30.2 30.2 29.7 29.0 28.4 27.6 27.5 27.6 28.2 29.5 29.3 28.3
Low Mn. Max (°C)
26.3 26.6 26.7 27.3 26.8 25.2 25.2 24.9 24.9 25.8 25.9 26.8 26.7
High Mn. Min (°C)
24.5 24.1 24.2 24.8 24.8 24.2 23.9 23.9 23.4 23.7 24.2 23.9 23.7
Low Mn. Min (°C)
21.9 21.7 21.4 22.1 22.8 21.8 21.2 20.8 20.8 21.5 22.0 21.0 22.0
High Rain (mm)
704.6 811.1 696.8 570.1 528.6 708.4 628.2 163.8 702.4 754.4 611.0 758.6 5120.8
Low Rain (mm)
24.2 25.0 36.4 18.6 14.1 9.2 4.0 1.4 0.0 0.0 0.4 2.4 1066.9

Christmas Island Annual Temperatures & Rainfall

Christmas Island annual climate

Christmas Island 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
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
≥ 30°C
0.7 1.2 1.1 0.7 0.1 0.0 0.0 0.0 0.0 0.1 0.1 0.4 4.5
≤ 2°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
≤ 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 0.0

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
28.9 29.0 29.2 29.0 28.7 28.0 27.2 26.8 27.0 27.7 28.2 28.6 28.6
Low Max
26.9 26.8 27.3 27.4 26.9 26.0 25.4 25.2 25.3 26.0 26.3 26.8 25.9
High Min
23.8 23.8 24.3 24.9 24.9 24.4 23.5 23.0 23.0 23.5 23.8 23.9 24.1
Low Min
21.5 21.5 21.8 22.1 22.5 22.0 21.5 21.2 21.4 21.8 21.8 21.1 21.6

Christmas Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
47 48 47 49 46 48 47 48 48 46 48 49 47.0
Earliest Entry
1973 1973 1973 1973 1973 1973 1973 1973 1972 1972 1972 1972 1972
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Maxima
47 49 48 49 47 48 47 48 49 46 49 48 47.0
Earliest Entry
1973 1973 1973 1973 1973 1973 1973 1973 1972 1972 1972 1972 1972
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Rainfall
48 51 50 50 50 50 50 49 49 51 50 50 50.0
Earliest Entry
1974 1974 1973 1973 1973 1973 1973 1973 1973 1973 1973 1973 1973
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024

Station Details

CHRISTMAS ISLAND AERO
Pilbara, Western Australia
10.4515°S 105.6890°E 261m AMSL
Commenced 1972

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Winter is Coming: Chilly day for Sydney, rain pelts eastern seaboard

17:22 AEST Just as we forecast yesterday, a coastal trough has deepened along the NSW and southeast Qld coasts as a low in the Coral Sea continues to inch closer to Qld.  The trough has brought some interesting weather to NSW in the past 36 hours or so, particularly along the coastal fringe, giving those New South Welshmen a “Stark” Game of Thrones reminder: winter is coming.

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