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Sydney Daily Summaries

December 2017
icon icon icon icon
Date Min to 9am Anomaly Max from 9am Anomaly Rain to 9am  
°C °C °C °C mm
Fri 01/12/2017 20.1 +2.6 27.5 +2.3 0.2  
Sat 02/12/2017 19.7 +2.2 26.8 +1.6 0.0  
Sun 03/12/2017 16.9 -0.6 29.2 +4.0 10.8  
Mon 04/12/2017 16.1 -1.4 18.6 -6.6 3.0  
Tue 05/12/2017 16.0 -1.5 25.3 +0.1 7.6  
Wed 06/12/2017 18.2 +0.7 26.0 +0.8 0.2  
Thu 07/12/2017 17.5 +0.0 31.3 +6.1 5.8  
Fri 08/12/2017 21.4 +3.9 27.7 +2.5 0.0  
Sat 09/12/2017 18.1 +0.6 24.1 -1.1 0.0  
Sun 10/12/2017 17.3 -0.2 24.8 -0.4 0.0  
Mon 11/12/2017 18.0 +0.5 26.5 +1.3 0.0  
Tue 12/12/2017 20.3 +2.8 27 +2 0.0  
Wed 13/12/2017 19 +2 28 +3 0.0  
Thu 14/12/2017 21 +4 - - 0.0  
 
December 2017 Average 18.5 +1.0 26.4 +1.2    
Dec 1859-2016 Average 17.5   25.2      
Dec 1859-2016 Highest 27.1 14th 2016 42.2 20th 1957    
Dec 1859-2016 Lowest 9.1 3rd 1924 15.2 24th 1870    
 
December 2017 Total         27.6 6 day(s)
Dec 1858-2016 Average Total         77.6 11.5 day(s)
Dec 1858-2016 Wettest Total         401.9 1920
Dec 1858-2016 Wettest 24hr Total         126.0 9th 1970
Dec 1858-2016 Driest Total         2.8 1979
 
Jan-Dec 2017 Total         1056.0 113 day(s)
Jan-Dec 1858-2017 Average Total         1215.2 144.2 day(s)
 
Highlights the coolest minimum or maximum temperature during the period.
 
Highlights the warmest minimum or maximum temperature during the period.
 
Highlights the highest daily rainfall during the period.
10  
A yellow cell indicates a probable monthly record for this site (sites with ≥ 10 years of records only). The number of years of records available for the relevant field for this month is indicated in black. See the station's climate page for full details.

Station Details

SYDNEY (OBSERVATORY HILL)
Sydney, New South Wales/ACT
33.8607°S 151.2050°E 39m AMSL
Commenced 1858
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Weather News

Sydney weather: Temperatures forecast to push past 40C in western parts of the city

11:05 EDT

Much of NSW will swelter through its first heatwave of summer today, with temperatures in Sydney's west expected to soar above 40 degrees, but the city's east should be spared thanks to a sea breeze.

Burst of summer heat prompts fire ban in Sydney

10:00 EDT

Authorities have issued a total fire ban for Sydney today as the city's residents brace for the warmest day so far this season.

What is a heatwave?

15:40 EDT

A large portion of Australia is being affected by heatwave conditions this week.