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

Paso Robles in December has a normal high of 60°F and a normal low of 33°F, a daily mean of 47°F, falling from 63°F on the 1st to 60°F by the 31st. Measurable precipitation falls on 7 days in a normal December, 1.98 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 16°C and low of 1°C, 50 mm of precipitation in December.

  • NOAA stationPaso Robles Municipal Airport
  • Station IDUSW00093209
  • Location35.67°N 120.63°W
  • Elevation810 ft (247 m)
  • Population31,568
  1. Jan 61° 35°
  2. Feb 63° 37°
  3. Mar 68° 40°
  4. Apr 74° 41°
  5. May 81° 46°
  6. Jun 89° 50°
  7. Jul 93° 54°
  8. Aug 94° 53°
  9. Sep 90° 50°
  10. Oct 81° 44°
  11. Nov 69° 37°
  12. Dec 60° 33°

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

How warm is Paso Robles in December?

The normal high is 60°F and the normal low 33°F, for a daily mean of 46.8°F. December is 6.1°F cooler than November and 1.3°F cooler than January. December is the 12th warmest month of the year in Paso Robles and the 4th wettest. Across the month the normal high falls 3°F, from 63°F on December 1 to 60°F on December 31. From one year to the next December's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 45°F and 49°F.

Paso Robles 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 24%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 163°F34°F18%10%
December 861°F33°F20%11%
December 1560°F33°F22%12%
December 2260°F33°F23%13%
December 3160°F34°F24%15%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 12)
Paso Robles: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 163°F34°F18%10%10 h
December 262°F34°F18%10%10 h
December 362°F34°F19%10%9 h 50 min
December 462°F34°F19%11%9 h 50 min
December 561°F34°F19%11%9 h 50 min
December 661°F34°F20%11%9 h 50 min
December 761°F34°F20%11%9 h 50 min
December 861°F33°F20%11%9 h 50 min
December 961°F33°F20%11%9 h 50 min
December 1060°F33°F21%11%9 h 50 min
December 1160°F33°F21%12%9 h 50 min
December 1260°F33°F21%12%9 h 50 min
December 1360°F33°F21%12%9 h 50 min
December 1460°F33°F22%12%9 h 50 min
December 1560°F33°F22%12%9 h 50 min
December 1660°F33°F22%12%9 h 50 min
December 1760°F33°F22%12%9 h 50 min
December 1860°F33°F22%13%9 h 40 min
December 1960°F33°F22%13%9 h 40 min
December 2060°F33°F23%13%9 h 40 min
December 2160°F33°F23%13%9 h 40 min
December 2260°F33°F23%13%9 h 40 min
December 2360°F33°F23%13%9 h 40 min
December 2460°F33°F23%13%9 h 40 min
December 2560°F33°F23%14%9 h 40 min
December 2660°F33°F23%14%9 h 40 min
December 2760°F34°F23%14%9 h 50 min
December 2860°F34°F23%14%9 h 50 min
December 2960°F34°F23%14%9 h 50 min
December 3060°F34°F24%14%9 h 50 min
December 3160°F34°F24%15%9 h 50 min
Normal high
60°FDecember average
Normal low
33°FDecember average
Precipitation
1.98 inmonth total
Days with precipitation
70.01 inch or more
Nights at 32°F or colder
15
Daylight
10 h to 9 h 50 minDecember 1 to December 31
Days at 70°F or more
3
Sunshine
80%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093209; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Paso Robles in December?

On a given December day the chance of 0.01 inch or more is 21% on average, highest around December 31 (24%). In all, 1.98 in falls on 7 days of a normal December.

In a normal December in Paso Robles, 15 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093209.

How humid and windy is Paso Robles in December?

At 3 p.m. the normal temperature is 59°F with 45% relative humidity and a dew point of 38°F; at 6 a.m. it is 37°F with 87% humidity. The wind averages 4.8 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.

A normal December day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.37°F33°F87%2.9 mph66%
9 a.m.41°F36°F82%3.1 mph58%
noon53°F38°F57%5.4 mph62%
3 p.m.59°F38°F45%7.5 mph65%
6 p.m.51°F38°F61%7.2 mph66%
9 p.m.45°F37°F74%4.6 mph75%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00093209. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for December in Paso Robles?

The warmest December temperature on this station's record (since 1952) is 83°F, on December 4, 1958; the coldest is 8°F, on December 23, 1990. The wettest December brought 6.79 in (1966); the snowiest, 4.0 inches (1988).

The December mean against the 1991-2020 normal of 46.8°F: 2021 47.9°F (+1.1), 2022 48.2°F (+1.4), 2023 51.4°F (+4.6), 2024 50.9°F (+4.1), 2025 50.4°F (+3.6). 5 of 5 ran warmer than normal.

Paso Robles: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202147.9°F+1.1°F5.54 in
202248.2°F+1.4°F5.54 in
202351.4°F+4.6°F4.15 in
202450.9°F+4.1°F0.48 in
202550.4°F+3.6°F3.43 in

Source: records: ACIS, station USW00093209; recent months: ACIS, station USW00093209. Records and recent months use complete months only.

How does December in Paso Robles 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; Paso Robles's is 60°F.

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

Other months and places