San Clemente · United States
Weather in San Clemente in December
In December the typical daytime high in San Clemente is 21.1 °C on average, from 22.3 °C at the start to 20.1 °C at the end of the month.
The last 10 years were 2.4 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Presa Rodriguez, 129 km away.