- Latitude: 33.405
- Longitude: -118.416
High Temperatures
On March 21 in this location the average high temperature is 63.5 °F (17.5 °C). The lowest recored high temperature was 50.0 °F (10.0 °C) in 2011 and the highest recored high temperature was 77.0 °F (25.0 °C) in 2001. The high temperature is usually* between 58.5 °F (14.7 °C) and 68.5 °F (20.3 °C). About a quarter of the time, the high temperature is less than 58.5 °F (14.7 °C), and another quarter of the time, the high temperature is greater than and 68.5 °F (20.3 °C). About 95% of the time, the high temperature has been between 49.1 °F (9.5 °C) and 77.9 °F (25.5 °C).
Low Temperatures
On March 21 in this location the average low temperature is 49.8 °F (9.9 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 2011 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1989. The low temperature is usually* between 46.3 °F (7.9 °C) and 53.3 °F (11.8 °C). About a quarter of the time, the low temperature is less than 46.3 °F (7.9 °C), and another quarter of the time, the low temperature is greater than and 53.3 °F (11.8 °C). About 95% of the time, the low temperature has been between 39.7 °F (4.3 °C) and 59.9 °F (15.5 °C).
Frost
On March 21 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:
- CATALINA AIRPORT — Integrated Surface Dataset (ISD) station ID: 722920 — Weather Bureau Army Navy (WBAN): 23191 — from year 2004 to 2025
- AVALON/CATALINA — Integrated Surface Dataset (ISD) station ID: 722920 — from year 2001 to 2003
- SANTA CATALINA ISLAND — Integrated Surface Dataset (ISD) station ID: 722924 — from year 1982 to 1992
- CABRILLO BEACH — Integrated Surface Dataset (ISD) station ID: 722958 — from year 1989 to 1992
- SANTA CATALINA BUFFALO SPRING — Weather Bureau Army Navy (WBAN): 23191 — from year 1948 to 1968