- Latitude: 33.439
- Longitude: -117.19
High Temperatures
On December 9 in this location the average high temperature is 69.0 °F (20.6 °C). The lowest recored high temperature was 55.9 °F (13.3 °C) in 2009 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2020. The high temperature is usually* between 64.6 °F (18.1 °C) and 73.4 °F (23.0 °C). About a quarter of the time, the high temperature is less than 64.6 °F (18.1 °C), and another quarter of the time, the high temperature is greater than and 73.4 °F (23.0 °C). About 95% of the time, the high temperature has been between 56.3 °F (13.5 °C) and 81.7 °F (27.6 °C).
Low Temperatures
On December 9 in this location the average low temperature is 43.8 °F (6.6 °C). The lowest recored low temperature was 25.9 °F (-3.4 °C) in 1994 and the lowest recored low temperature was 59.9 °F (15.5 °C) in 1989. The low temperature is usually* between 39.8 °F (4.4 °C) and 47.8 °F (8.8 °C). About a quarter of the time, the low temperature is less than 39.8 °F (4.4 °C), and another quarter of the time, the low temperature is greater than and 47.8 °F (8.8 °C). About 95% of the time, the low temperature has been between 32.2 °F (0.1 °C) and 55.4 °F (13.0 °C).
Frost
On December 9 in this location expect the temperatures to drop below freezing for a risk of frost about 2.3% 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 1974 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 1989 to 1995
- CAMP PENDLETON MCAS — Weather Bureau Army Navy (WBAN): 03154 — from year 1966 to 1971
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1948 to 1951