- Latitude: 33.42
- Longitude: -117.62
High Temperatures
On January 9 in this location the average high temperature is 66.3 °F (19.1 °C). The lowest recored high temperature was 51.1 °F (10.6 °C) in 1974 and the highest recored high temperature was 86.0 °F (30.0 °C) in 1983. The high temperature is usually* between 61.9 °F (16.6 °C) and 70.8 °F (21.6 °C). About a quarter of the time, the high temperature is less than 61.9 °F (16.6 °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 53.3 °F (11.8 °C) and 79.4 °F (26.3 °C).
Low Temperatures
On January 9 in this location the average low temperature is 43.8 °F (6.6 °C). The lowest recored low temperature was 21.9 °F (-5.6 °C) in 2000 and the lowest recored low temperature was 57.2 °F (14.0 °C) in 2005. The low temperature is usually* between 39.4 °F (4.1 °C) and 48.2 °F (9.0 °C). About a quarter of the time, the low temperature is less than 39.4 °F (4.1 °C), and another quarter of the time, the low temperature is greater than and 48.2 °F (9.0 °C). About 95% of the time, the low temperature has been between 31.1 °F (-0.5 °C) and 56.5 °F (13.6 °C).
Frost
On January 9 in this location expect the temperatures to drop below freezing for a risk of frost about 3.4% 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 2025
- OCEANSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722934 — Weather Bureau Army Navy (WBAN): 53121 — from year 2006 to 2025
- MCOLF CAMP PENDLETON RED BEAC — Integrated Surface Dataset (ISD) station ID: 722928 — Weather Bureau Army Navy (WBAN): 00369 — from year 2016 to 2024
- MCOLF CAMP PENDLETON (RED BEA — Integrated Surface Dataset (ISD) station ID: 722928 — from year 2010 to 2015
- OCEANSIDE MUNI — Integrated Surface Dataset (ISD) station ID: 722934 — from year 2000 to 2005
- EL TORO MCAS — Integrated Surface Dataset (ISD) station ID: 690140 — Weather Bureau Army Navy (WBAN): 93101 — from year 1989 to 1999
- NEWPORT BEACH — Integrated Surface Dataset (ISD) station ID: 722973 — from year 1979 to 1996
- OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1990 to 1996
- EL TORO(USMC) — Integrated Surface Dataset (ISD) station ID: 722908 — from year 1973 to 1989
- EL TORO MCAS — Weather Bureau Army Navy (WBAN): 93101 — from year 1946 to 1988
- CAMP PENDLETON MCAS — Weather Bureau Army Navy (WBAN): 03154 — from year 1967 to 1971
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1949 to 1952