Sonora weather in December: Sonora, California: normal highs, lows, rain and records for December

Sonora in December has a normal high of 55°F and a normal low of 32°F, a daily mean of 44°F, falling from 57°F on the 1st to 55°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 5.51 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 13°C and low of 0°C, 140 mm of precipitation in December.

  • NOAA stationSonora
  • Station IDUSC00048353
  • Location37.97°N 120.39°W
  • Elevation1,675 ft (511 m)
  • Population4,855
  1. Jan 56° 33°
  2. Feb 58° 34°
  3. Mar 62° 37°
  4. Apr 67° 40°
  5. May 76° 46°
  6. Jun 85° 51°
  7. Jul 93° 57°
  8. Aug 92° 56°
  9. Sep 87° 51°
  10. Oct 76° 43°
  11. Nov 63° 36°
  12. Dec 55° 32°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Sonora in December?

The normal high is 55°F and the normal low 32°F, for a daily mean of 43.8°F. December is 6.0°F cooler than November and 0.5°F cooler than January. December is the 12th warmest month of the year in Sonora and the 2nd wettest. Across the month the normal high falls 2°F, from 57°F on December 1 to 55°F on December 31. From one year to the next December's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 42°F and 46°F.

Sonora in December, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 33%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 157°F34°F29%22%
December 856°F33°F30%24%
December 1555°F32°F32%25%
December 2254°F32°F33%26%
December 3155°F32°F33%27%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 18)
Sonora: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 157°F34°F29%22%9 h 40 min
December 257°F34°F29%22%9 h 40 min
December 357°F33°F29%22%9 h 40 min
December 457°F33°F30%23%9 h 40 min
December 556°F33°F30%23%9 h 40 min
December 656°F33°F30%23%9 h 40 min
December 756°F33°F30%23%9 h 40 min
December 856°F33°F30%24%9 h 40 min
December 955°F33°F30%24%9 h 40 min
December 1055°F33°F31%24%9 h 40 min
December 1155°F32°F31%24%9 h 40 min
December 1255°F32°F31%25%9 h 30 min
December 1355°F32°F31%25%9 h 30 min
December 1455°F32°F32%25%9 h 30 min
December 1555°F32°F32%25%9 h 30 min
December 1655°F32°F32%26%9 h 30 min
December 1755°F32°F32%26%9 h 30 min
December 1855°F32°F32%26%9 h 30 min
December 1954°F32°F32%26%9 h 30 min
December 2054°F32°F32%26%9 h 30 min
December 2154°F32°F33%26%9 h 30 min
December 2254°F32°F33%26%9 h 30 min
December 2354°F32°F33%26%9 h 30 min
December 2454°F32°F33%27%9 h 30 min
December 2554°F32°F33%27%9 h 30 min
December 2654°F32°F33%27%9 h 30 min
December 2755°F32°F33%27%9 h 30 min
December 2855°F32°F33%27%9 h 30 min
December 2955°F32°F33%27%9 h 30 min
December 3055°F32°F33%27%9 h 30 min
December 3155°F32°F33%27%9 h 30 min
Normal high
55°FDecember average
Normal low
32°FDecember average
Precipitation
5.51 inmonth total
Days with precipitation
100.01 inch or more
Nights at 32°F or colder
18
Daylight
9 h 40 min to 9 h 30 minDecember 1 to December 31
Days at 70°F or more
1
Sunshine
72%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00048353; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Sonora in December?

On a given December day the chance of 0.01 inch or more is 32% on average, highest around December 30 (33%). In all, 5.51 in falls on 10 days of a normal December, 2 of them with an inch or more.

In a normal December in Sonora, 18 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00048353.

What are the records for December in Sonora?

The warmest December temperature on this station's record (since 1906) is 81°F, on December 4, 1958; the coldest is 8°F, on December 10, 1972. The wettest December brought 21.69 in (1955); the snowiest, 12.0 inches (1932).

The December mean against the 1991-2020 normal of 43.8°F: 2024 47.5°F (+3.8), 2025 45.7°F (+1.9). 2 of 2 ran warmer than normal.

Sonora: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202447.5°F+3.8°F4.65 in
202545.7°F+1.9°F4.66 in

Source: records: ACIS, station USC00048353; recent months: ACIS, station USC00048353. Records and recent months use complete months only.

How does December in Sonora compare across California?

Across the 219 places PlainClimate covers in California, December normal highs run from 38°F in Tahoma to 71°F in Anaheim; Sonora's is 55°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places