United States · 1991–2020 normal

Santa Ana in
December.

Typical December weather in Santa Ana: 20.8°C by day, 8.6°C at night, 58 mm of rain over 4.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high20.8°C
Typical low8.6°C
Rain58 mm
Wet days4.7

In the year-round weather comparison, December scores 73 out of 100 (May leads the year at 98). Daylight is calculated as 9 h 55 from latitude 33.75°. Open-water sea temperature is 15.8°C (13 km from the place centre).

December at a glance

What is Santa Ana like in December?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Santa Ana hot in December?

Days are typically mild at 20.8°C, while nights average 8.6°C.

Does it rain much?

The measured monthly average is 58 mm across about 5 wet days.

How much daylight is there?

There are about 9 h 55 between sunrise and sunset at mid-month, calculated from the place latitude.

Is December a good time to visit?

December ranks 11 of 12 in our weather comparison; May ranks first.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5392900
NOAA station
USC00047888 · SANTA ANA FIRE STN
Station distance
0.2 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

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The weather comparison for Santa Ana is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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