- Latitude: 32.87
- Longitude: -117.25
High Temperatures
On December 18 in this location the average high temperature is 66.6 °F (19.2 °C). The lowest recored high temperature was 55.0 °F (12.8 °C) in 1982 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2000. The high temperature is usually* between 62.5 °F (16.9 °C) and 70.8 °F (21.6 °C). About a quarter of the time, the high temperature is less than 62.5 °F (16.9 °C), and another quarter of the time, the high temperature is greater than and 70.8 °F (21.6 °C). About 95% of the time, the high temperature has been between 54.5 °F (12.5 °C) and 78.8 °F (26.0 °C).
Low Temperatures
On December 18 in this location the average low temperature is 47.4 °F (8.5 °C). The lowest recored low temperature was 32.0 °F (0.0 °C) in 2016 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 2023. The low temperature is usually* between 44.5 °F (6.9 °C) and 50.2 °F (10.1 °C). About a quarter of the time, the low temperature is less than 44.5 °F (6.9 °C), and another quarter of the time, the low temperature is greater than and 50.2 °F (10.1 °C). About 95% of the time, the low temperature has been between 39.1 °F (3.9 °C) and 55.7 °F (13.2 °C).
Frost
On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- SAN DIEGO INTERNATIONAL AIRPO — Integrated Surface Dataset (ISD) station ID: 722900 — Weather Bureau Army Navy (WBAN): 23188 — from year 1973 to 2024
- NORTH ISLAND NAS — Integrated Surface Dataset (ISD) station ID: 722906 — Weather Bureau Army Navy (WBAN): 93112 — from year 1945 to 2024
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722931 — Weather Bureau Army Navy (WBAN): 93107 — from year 2005 to 2024
- MONTGOMERY FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722903 — Weather Bureau Army Navy (WBAN): 03131 — from year 2006 to 2024
- GILLESPIE FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722907 — Weather Bureau Army Navy (WBAN): 53143 — from year 2006 to 2024
- MCCLELLAN-PALOMAR AIRPORT — Integrated Surface Dataset (ISD) station ID: 722927 — Weather Bureau Army Navy (WBAN): 03177 — from year 2006 to 2024
- LA JOLLA — Integrated Surface Dataset (ISD) station ID: 994018 — from year 2009 to 2024
- USS MIDWAY S NAVY PIER — Integrated Surface Dataset (ISD) station ID: 998408 — from year 2010 to 2016
- LA JOLLA — Integrated Surface Dataset (ISD) station ID: 997292 — from year 2005 to 2008
- GILLESPIE FLD — Integrated Surface Dataset (ISD) station ID: 722907 — from year 1973 to 2005
- MC CLELLAN PALOMAR — Integrated Surface Dataset (ISD) station ID: 722927 — from year 1973 to 2005
- MONTGOMERY FLD — Integrated Surface Dataset (ISD) station ID: 722903 — from year 1990 to 2005
- MIRAMAR MCAS — Integrated Surface Dataset (ISD) station ID: 722931 — from year 2004 to 2004
- SAN DIEGO/MIRAMAR N — Integrated Surface Dataset (ISD) station ID: 722930 — Weather Bureau Army Navy (WBAN): 93107 — from year 1989 to 2003
- MISSION BEACH — Integrated Surface Dataset (ISD) station ID: 722914 — from year 1987 to 1995
- SAN DIEGO/MONTGOMER — Integrated Surface Dataset (ISD) station ID: 722901 — from year 1973 to 1989
- SAN DIEGO MIRAMAR NAS — Weather Bureau Army Navy (WBAN): 93107 — from year 1947 to 1988
- SAN DIEGO LINDBERGH FIELD — Weather Bureau Army Navy (WBAN): 23188 — from year 1948 to 1972