Turtle Rock climate

Turtle Rock Weather in December

NOAA 1991-2020 normals for Newport Beach Harbor, 8.1 km from Turtle Rock

Average highs run from 65°F on December 1 to 64°F on December 31, and lows from 51°F to 50°F. Normal precipitation for the month is 1.62 in over about 6 wet days.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Turtle Rock, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
64°F
Average low
50°F
Precipitation
1.62 in
Record high
90°FDec 12, 2010
Record low
36°FDec 27, 2003
Chance of a freeze
0%
Daylight
10 h 05 min to 9 h 57 min
Cloud cover
41%
Humidity
67%
Dew point
46°F
Wind
8.1 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 165°F51°F76°F 201037°F 200415%
Dec 265°F51°F80°F 200639°F 200415%
Dec 365°F51°F79°F 200642°F 200715%
Dec 465°F51°F76°F 200641°F 200416%
Dec 565°F51°F79°F 200041°F 199916%
Dec 664°F50°F80°F 201740°F 201116%
Dec 764°F50°F81°F 200138°F 201116%
Dec 864°F50°F87°F 202037°F 200916%
Dec 964°F50°F87°F 201741°F 201317%
Dec 1064°F50°F88°F 201739°F 201317%
Dec 1164°F50°F80°F 201740°F 201317%
Dec 1264°F50°F90°F 201041°F 200317%
Dec 1364°F50°F81°F 201042°F 199918%
Dec 1464°F50°F76°F 201341°F 200718%
Dec 1564°F50°F85°F 201338°F 201518%
Dec 1664°F49°F79°F 199938°F 200118%
Dec 1764°F49°F79°F 200440°F 200118%
Dec 1864°F49°F83°F 200438°F 201619%
Dec 1964°F49°F82°F 199938°F 201219%
Dec 2064°F49°F79°F 199938°F 201219%
Dec 2164°F49°F78°F 202040°F 201219%
Dec 2264°F49°F75°F 201441°F 200719%
Dec 2364°F49°F81°F 201439°F 200919%
Dec 2464°F49°F79°F 199938°F 201120%
Dec 2564°F49°F84°F 201338°F 201620%
Dec 2664°F50°F84°F 201337°F 200820%
Dec 2764°F50°F80°F 201336°F 200320%
Dec 2864°F50°F77°F 201736°F 200320%
Dec 2964°F50°F80°F 201338°F 201320%
Dec 3064°F50°F78°F 202539°F 201220%
Dec 3164°F50°F77°F 201936°F 201020%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Turtle Rock, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 6:38 AM, sunset 4:43 PM
December 31
sunrise 6:56 AM, sunset 4:53 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00046175 (Newport Beach Harbor), public domain. Records: NOAA GHCN-Daily, station USW00093184, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.