Hilo Weather In December
The highest recorded temperature for Hilo for the past 64 years in December was 93 degrees Fahrenheit, measured on December 14, 1980, while the standard high temperature is 80. The coldest day reported in Hilo in December for the past 64 years was 55 registered on December 23, 1977, while the average low temperature is 65.
According to National Weather Service historical Hilo December Weather data, on December 25, 1998, the high temperature did not exceed 70 degrees Fahrenheit, the lowest high measured in Hilo in the past 64 years. NWS weather data additionally shows that on December 6, 1988, the lowest recorded temperature on that day did not drop below 74 degrees, the highest low measured in Hilo in the last 64 years.
NWS data indicates that the daily high temperature in Hilo on December First averages 80 degrees Fahrenheit and the high on the last day of December averages 79 degrees. The low temperature in Hilo in December on the first day of the month averages 66 degrees and the low temperature on the last day of the month averages 64 degrees.
Hilo usually receives an average of 10.5 inches of precipitation during December. December Hilo Weather records indicated that on December 23, 1970 Hilo received 9.33 inches of precipitation, the most rain recorded in a single day in December.