Katoomba December Weather

Averages and records for weather in Katoomba, New South Wales in the month of December.
Typical Katoomba December Weather
1991–2020
Average daily high 22.4 °C
Average daily low 11.9 °C
Average monthly precipitation 11.4 cm
Daily chance of precipitation 49.2%
Katoomba December Weather Records
1750–2023
Highest temperature 39.5 °C December 21, 2019
Lowest temperature 2.4 °C December 5, 2011
Highest daily low 23.4 °C December 31, 2019
Lowest daily high 8.5 °C December 10, 2002
Hottest average high temperature 28.4 °C 1957
Coldest average high temperature 17.7 °C 2011
Most daily precipitation 12.7 cm December 24, 1909
Most monthly precipitation 41.1 cm 1947
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
December 1 21.8 11.1 34.2 4.4
December 2 21.9 11.3 34.4 5.7
December 3 22.0 11.4 33.9 4.4
December 4 22.0 11.4 30.9 4.4
December 5 22.0 11.4 32.5 2.4
December 6 22.2 11.5 31.0 3.8
December 7 22.3 11.5 32.2 4.8
December 8 22.4 11.6 33.5 4.4
December 9 22.5 11.7 35.0 4.5
December 10 22.5 11.8 36.6 3.3
December 11 22.4 11.8 33.1 5.1
December 12 22.4 11.8 32.2 4.1
December 13 22.4 11.8 31.1 3.0
December 14 22.4 11.8 32.4 5.8
December 15 22.5 11.8 31.9 3.4
December 16 22.5 11.9 32.0 4.5
December 17 22.5 11.9 33.0 5.0
December 18 22.7 12.0 34.1 4.9
December 19 22.7 12.1 35.2 5.4
December 20 22.8 12.2 33.9 4.1
December 21 22.9 12.3 39.5 4.4
December 22 23.0 12.3 33.4 5.6
December 23 23.0 12.4 34.4 6.6
December 24 23.1 12.4 32.1 4.6
December 25 23.1 12.4 34.4 5.6
December 26 23.1 12.5 35.0 4.2
December 27 23.2 12.6 31.7 3.9
December 28 23.3 12.6 33.6 3.4
December 29 23.4 12.7 34.3 5.4
December 30 23.5 12.7 34.8 5.9
December 31 23.5 12.8 37.0 7.9
Weather Station Details
Years Station Coordinates
1750–2023 Katoomba (Murri St) location