- Latitude: 33.439
- Longitude: -117.19
High Temperatures
On December 19 in this location the average high temperature is 67.3 °F (19.6 °C). The lowest recored high temperature was 52.0 °F (11.1 °C) in 1967 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2024. The high temperature is usually* between 62.4 °F (16.9 °C) and 72.2 °F (22.3 °C). About a quarter of the time, the high temperature is less than 62.4 °F (16.9 °C), and another quarter of the time, the high temperature is greater than and 72.2 °F (22.3 °C). About 95% of the time, the high temperature has been between 53.2 °F (11.8 °C) and 81.4 °F (27.5 °C).
Low Temperatures
On December 19 in this location the average low temperature is 42.7 °F (5.9 °C). The lowest recored low temperature was 28.9 °F (-1.7 °C) in 2017 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 2023. The low temperature is usually* between 38.7 °F (3.7 °C) and 46.7 °F (8.2 °C). About a quarter of the time, the low temperature is less than 38.7 °F (3.7 °C), and another quarter of the time, the low temperature is greater than and 46.7 °F (8.2 °C). About 95% of the time, the low temperature has been between 31.0 °F (-0.5 °C) and 54.4 °F (12.4 °C).
Frost
On December 19 in this location expect the temperatures to drop below freezing for a risk of frost about 3.6% 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:
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722926 — Weather Bureau Army Navy (WBAN): 03154 — from year 1973 to 2024
- MCCLELLAN-PALOMAR AIRPORT — Integrated Surface Dataset (ISD) station ID: 722927 — Weather Bureau Army Navy (WBAN): 03177 — from year 2006 to 2024
- OCEANSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722934 — Weather Bureau Army Navy (WBAN): 53121 — from year 2006 to 2024
- FALLBROOK 5 NE — Weather Bureau Army Navy (WBAN): 53151 — from year 2008 to 2024
- MCOLF CAMP PENDLETON RED BEAC — Integrated Surface Dataset (ISD) station ID: 722928 — Weather Bureau Army Navy (WBAN): 00369 — from year 2015 to 2022
- MCOLF CAMP PENDLETON (RED BEA — Integrated Surface Dataset (ISD) station ID: 722928 — from year 2009 to 2014
- MC CLELLAN PALOMAR — Integrated Surface Dataset (ISD) station ID: 722927 — from year 1973 to 2005
- OCEANSIDE MUNI — Integrated Surface Dataset (ISD) station ID: 722934 — from year 1999 to 2005
- OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1987 to 1994
- CAMP PENDLETON MCAS — Weather Bureau Army Navy (WBAN): 03154 — from year 1966 to 1969
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1948 to 1951