Sleeping late may be the best option on Sunday when the temperature in Dubbo is expected to drop to minus 3 degrees Celsius.
Colder-than-normal mornings have settled into the city in the first half of July 2017.
The long-term average minimum temperature for July is 3.1 degrees based on Bureau of Meteorology data collected since 1993.
In the first 12 days of this month the average morning temperature has been minus 0.3 degrees.
A six-day run of below-zero temperatures began on July 6.
The coldest morning was last Sunday when minus 3.1 degrees was recorded at Dubbo City Regional Airport.
But chilly mornings have been followed mostly by above-average daytime temperatures.
The long-term average maximum temperature for July is 15.4 degrees.
To July 11 the average daytime temperature for the month was 16.6 degrees.
Minimum temperatures will range from minus 3 to 5 degrees and maximum temperatures from 15 to 19 degrees between Thursday, July 13, and Wednesday, July 19.