December - SAN DIEGO/MONTGOMER - Weather History and Averages

High Temperatures

On average, the day in December with the warmest high temperature in SAN DIEGO/MONTGOMER is December 3 at an average of 71.2 °F (21.8 °C).

On average, the day in December with the coldest high temperature in SAN DIEGO/MONTGOMER is December 27 at an average of 63.9 °F (17.7 °C).

The warmest recorded high temperature in December in SAN DIEGO/MONTGOMER was 87.1 °F (30.6 °C) on December 31 in the year 1980 at SAN DIEGO/MONTGOMER — Integrated Surface Dataset (ISD) station ID: 722901 .

The coldest recorded high temperature in December in SAN DIEGO/MONTGOMER was 51.1 °F (10.6 °C) on December 8 in the year 1978 at SAN DIEGO/MONTGOMER — Integrated Surface Dataset (ISD) station ID: 722901 .

On average, the day in December with the warmest low temperature in SAN DIEGO/MONTGOMER is December 4 at an average of 46.4 °F (8.0 °C).

On average, the day in December with the coldest low temperature in SAN DIEGO/MONTGOMER is December 26 at an average of 42.0 °F (5.5 °C).

The warmest recorded low temperature in SAN DIEGO/MONTGOMER was 60.8 °F (16.0 °C) on December 29 in the year 1975 at SAN DIEGO/MONTGOMER — Integrated Surface Dataset (ISD) station ID: 722901 .

The coldest recorded low temperature in SAN DIEGO/MONTGOMER was 28.9 °F (-1.7 °C) on December 10 in the year 1978 at SAN DIEGO/MONTGOMER — Integrated Surface Dataset (ISD) station ID: 722901 .

If you would like to see the temperatures for specific days, you can click on the corresponding links below: