December 30 - SAN DIEGO/MONTGOMER - Weather History and Averages

Station: SAN DIEGO/MONTGOMER (1973 to 1990)
Country: US
State: CA
Latitude: 32.817
Longitude: -117.133

High Temperatures

On December 30 in SAN DIEGO/MONTGOMER the average high temperature is 66.2 °F (19.0 °C). The lowest recored high temperature was 57.0 °F (13.9 °C) in 1988 and the highest recored high temperature was 77.0 °F (25.0 °C) in 1980. The high temperature is usually^* between 61.8 °F (16.5 °C) and 70.7 °F (21.5 °C). About a quarter of the time, the high temperature is less than 61.8 °F (16.5 °C), and another quarter of the time, the high temperature is greater than and 70.7 °F (21.5 °C). About 95% of the time, the high temperature has been between 53.2 °F (11.8 °C) and 79.3 °F (26.3 °C).

Low Temperatures

On December 30 in SAN DIEGO/MONTGOMER the average low temperature is 45.0 °F (7.2 °C). The lowest recored low temperature was 35.1 °F (1.7 °C) in 1988 and the lowest recored low temperature was 54.0 °F (12.2 °C) in 1977. The low temperature is usually^* between 41.0 °F (5.0 °C) and 49.1 °F (9.5 °C). About a quarter of the time, the low temperature is less than 41.0 °F (5.0 °C), and another quarter of the time, the low temperature is greater than and 49.1 °F (9.5 °C). About 95% of the time, the low temperature has been between 33.2 °F (0.7 °C) and 56.8 °F (13.8 °C).

Frost

On December 30 in SAN DIEGO/MONTGOMER expect the temperatures to drop below freezing for a risk of frost about 1.5% 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:

SAN DIEGO/MONTGOMER — Integrated Surface Dataset (ISD) station ID: 722901 — from year 1973 to 1989

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