April 21 - LA JOLLA - Weather History and Averages

Station: LA JOLLA (2009 to 2025)
Country: US
State: CA
Latitude: 32.867
Longitude: -117.258

High Temperatures

On April 21 in LA JOLLA the average high temperature is 63.1 °F (17.3 °C). The lowest recored high temperature was 58.1 °F (14.5 °C) in 2021 and the highest recored high temperature was 70.0 °F (21.1 °C) in 2016. The high temperature is usually^* between 60.5 °F (15.8 °C) and 65.7 °F (18.7 °C). About a quarter of the time, the high temperature is less than 60.5 °F (15.8 °C), and another quarter of the time, the high temperature is greater than and 65.7 °F (18.7 °C). About 95% of the time, the high temperature has been between 55.6 °F (13.1 °C) and 70.7 °F (21.5 °C).

Low Temperatures

On April 21 in LA JOLLA the average low temperature is 57.6 °F (14.2 °C). The lowest recored low temperature was 51.1 °F (10.6 °C) in 2010 and the lowest recored low temperature was 60.6 °F (15.9 °C) in 2016. The low temperature is usually^* between 56.0 °F (13.3 °C) and 59.2 °F (15.1 °C). About a quarter of the time, the low temperature is less than 56.0 °F (13.3 °C), and another quarter of the time, the low temperature is greater than and 59.2 °F (15.1 °C). About 95% of the time, the low temperature has been between 52.9 °F (11.6 °C) and 62.2 °F (16.8 °C).

Frost

On April 21 in LA JOLLA expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.

^{Usually* in this context means around 50% of the
time, assuming a normal distribution of values.}

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations:

LA JOLLA — Integrated Surface Dataset (ISD) station ID: 994018 — from year 2010 to 2025

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