1 On average, dogs have two cycles a year. 2  The estrus cycle lasts on average 12-21 days, but maybe be as short as a few days to four weeks. 3  The estrus period length varies widely between breeds and individual dogs. 4  The length of a cycle varies widely, even for dogs of the same breed. The estrus cycle lasts on average 12-21 days, but maybe be as short as a few days to four weeks. 2  The estrus period length varies widely between breeds and individual dogs. 3  The length of a cycle varies widely, even for dogs of the same breed. 4  If in doubt, assume the longer end of the range for the cycle length.
In most years, Salt Lake City averages a daily maximum temperature for April that's between 58 and 66 degrees Fahrenheit (14 to 19 degrees Celsius). The minimum temperature usually falls between 37 and 42 Â°F (3 to 6 Â°C). The days at Salt Lake City continue to warm steadily during April.
Salt Lake City Weather in April. April at Salt Lake City, Utah means a decisive move to spring weather. This month usually sees the end of snow and frost until next fall. This page gives detailed information on the typical April weather for Salt Lake City.