Lake Arrowhead weather in December: Lake Arrowhead, California: normal highs, lows, rain and records for December
Lake Arrowhead in December has a normal high of 43°F and a normal low of 29°F, a daily mean of 36°F, falling from 45°F on the 1st to 43°F by the 31st. Measurable precipitation falls on 4 days in a normal December, 5.17 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 6°C and low of −2°C, 131 mm of precipitation and 9 cm of snow in December.
- NOAA stationLake Arrowhead
- Station IDUSC00044671
- Location34.25°N 117.19°W
- Elevation5,205 ft (1,587 m)
- From the centerunder 1 mile
- Population (census place)10,746
- Jan 44° 29°
- Feb 45° 30°
- Mar 52° 32°
- Apr 60° 36°
- May 67° 41°
- Jun 76° 49°
- Jul 81° 57°
- Aug 82° 57°
- Sep 74° 52°
- Oct 63° 43°
- Nov 52° 34°
- Dec 43° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lake Arrowhead in December?
The normal high is 43°F and the normal low 29°F, for a daily mean of 36.0°F. December is 6.7°F cooler than November and 0.5°F cooler than January. December is the 12th warmest month of the year in Lake Arrowhead and the 3rd wettest. Across the month the normal high falls 2°F, from 45°F on December 1 to 43°F on December 31. From one year to the next December's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 34°F and 38°F.
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 18%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 45°F | 30°F | 11% | 10% |
| December 8 | 43°F | 30°F | 13% | 11% |
| December 15 | 42°F | 29°F | 15% | 13% |
| December 22 | 42°F | 29°F | 16% | 14% |
| December 31 | 43°F | 29°F | 18% | 16% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 45°F | 30°F | 11% | 10% | 10 h |
| December 2 | 45°F | 30°F | 11% | 10% | 10 h |
| December 3 | 45°F | 30°F | 11% | 10% | 10 h |
| December 4 | 44°F | 30°F | 12% | 10% | 10 h |
| December 5 | 44°F | 30°F | 12% | 10% | 10 h |
| December 6 | 44°F | 30°F | 12% | 11% | 10 h |
| December 7 | 44°F | 30°F | 12% | 11% | 10 h |
| December 8 | 43°F | 30°F | 13% | 11% | 10 h |
| December 9 | 43°F | 29°F | 13% | 11% | 10 h |
| December 10 | 43°F | 29°F | 13% | 11% | 10 h |
| December 11 | 43°F | 29°F | 13% | 12% | 10 h |
| December 12 | 43°F | 29°F | 14% | 12% | 9 h 50 min |
| December 13 | 43°F | 29°F | 14% | 12% | 9 h 50 min |
| December 14 | 43°F | 29°F | 14% | 12% | 9 h 50 min |
| December 15 | 42°F | 29°F | 15% | 13% | 9 h 50 min |
| December 16 | 42°F | 29°F | 15% | 13% | 9 h 50 min |
| December 17 | 42°F | 29°F | 15% | 13% | 9 h 50 min |
| December 18 | 42°F | 29°F | 15% | 13% | 9 h 50 min |
| December 19 | 42°F | 29°F | 16% | 14% | 9 h 50 min |
| December 20 | 42°F | 29°F | 16% | 14% | 9 h 50 min |
| December 21 | 42°F | 29°F | 16% | 14% | 9 h 50 min |
| December 22 | 42°F | 29°F | 16% | 14% | 9 h 50 min |
| December 23 | 42°F | 29°F | 17% | 14% | 9 h 50 min |
| December 24 | 42°F | 29°F | 17% | 15% | 9 h 50 min |
| December 25 | 42°F | 29°F | 17% | 15% | 9 h 50 min |
| December 26 | 43°F | 29°F | 17% | 15% | 9 h 50 min |
| December 27 | 43°F | 29°F | 17% | 15% | 9 h 50 min |
| December 28 | 43°F | 29°F | 18% | 15% | 9 h 50 min |
| December 29 | 43°F | 29°F | 18% | 16% | 9 h 50 min |
| December 30 | 43°F | 29°F | 18% | 16% | 9 h 50 min |
| December 31 | 43°F | 29°F | 18% | 16% | 9 h 50 min |
- Normal high
- 43°FDecember average
- Normal low
- 29°FDecember average
- Precipitation
- 5.17 inmonth total
- Days with precipitation
- 40.01 inch or more
- Snowfall
- 3.5 inmonth total
- Nights at 32°F or colder
- 23
- Daylight
- 10 h to 9 h 50 minDecember 1 to December 31
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00044671; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Lake Arrowhead in December?
On a given December day the chance of 0.01 inch or more is 15% on average, highest around December 31 (18%). In all, 5.17 in falls on 4 days of a normal December, 1 of them with an inch or more.
In a normal December in Lake Arrowhead, 23 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 3.5 inches.
Snow falls on 1 day in a normal December.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00044671.
What are the records for December in Lake Arrowhead?
The warmest December temperature on this station's record (since 1941) is 72°F, on December 10, 1950; the coldest is 6°F, on December 23, 1990. The wettest December brought 27.87 in (1966); the snowiest, 40.0 inches (1984).
Source: records: ACIS, station USC00044671. Records and recent months use complete months only.
How does December in Lake Arrowhead 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; Lake Arrowhead's is 43°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Lake Arrowhead in November52°F by day, 34°F at night
- Lake Arrowhead in January44°F by day, 29°F at night
- Lake Arrowhead through the yearEvery month, frost dates, records and recent years
- California in DecemberThe statewide normal and the warmest and coolest places
- Anaheim: California's warmest Decembernormal high 71°F