Porterville weather in December: Porterville, California: normal highs, lows, rain and records for December
Porterville in December has a normal high of 59°F and a normal low of 39°F, a daily mean of 49°F, falling from 63°F on the 1st to 57°F by the 31st. Measurable precipitation falls on 8 days in a normal December, 1.93 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 15°C and low of 4°C, 49 mm of precipitation in December.
- NOAA stationPorterville
- Station IDUSC00047077
- Location36.07°N 119.02°W
- Elevation393 ft (120 m)
- Population63,517
- Jan 59° 40°
- Feb 65° 43°
- Mar 71° 47°
- Apr 76° 50°
- May 84° 56°
- Jun 93° 63°
- Jul 98° 68°
- Aug 97° 67°
- Sep 92° 62°
- Oct 82° 53°
- Nov 68° 44°
- Dec 59° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Porterville in December?
The normal high is 59°F and the normal low 39°F, for a daily mean of 49.0°F. December is 7.3°F cooler than November and 0.4°F cooler than January. December is the 12th warmest month of the year in Porterville and the 3rd wettest. Across the month the normal high falls 6°F, from 63°F on December 1 to 57°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 47°F and 51°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 27%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 63°F | 41°F | 21% | 12% |
| December 8 | 61°F | 39°F | 22% | 13% |
| December 15 | 59°F | 39°F | 24% | 14% |
| December 22 | 58°F | 38°F | 25% | 14% |
| December 31 | 57°F | 38°F | 27% | 16% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 21)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 63°F | 41°F | 21% | 12% | 9 h 50 min |
| December 2 | 62°F | 41°F | 21% | 12% | 9 h 50 min |
| December 3 | 62°F | 40°F | 21% | 12% | 9 h 50 min |
| December 4 | 62°F | 40°F | 22% | 12% | 9 h 50 min |
| December 5 | 61°F | 40°F | 22% | 12% | 9 h 50 min |
| December 6 | 61°F | 40°F | 22% | 12% | 9 h 50 min |
| December 7 | 61°F | 40°F | 22% | 13% | 9 h 50 min |
| December 8 | 61°F | 39°F | 22% | 13% | 9 h 50 min |
| December 9 | 60°F | 39°F | 23% | 13% | 9 h 50 min |
| December 10 | 60°F | 39°F | 23% | 13% | 9 h 50 min |
| December 11 | 60°F | 39°F | 23% | 13% | 9 h 50 min |
| December 12 | 60°F | 39°F | 23% | 13% | 9 h 50 min |
| December 13 | 59°F | 39°F | 24% | 13% | 9 h 40 min |
| December 14 | 59°F | 39°F | 24% | 14% | 9 h 40 min |
| December 15 | 59°F | 39°F | 24% | 14% | 9 h 40 min |
| December 16 | 59°F | 38°F | 24% | 14% | 9 h 40 min |
| December 17 | 59°F | 38°F | 24% | 14% | 9 h 40 min |
| December 18 | 58°F | 38°F | 24% | 14% | 9 h 40 min |
| December 19 | 58°F | 38°F | 25% | 14% | 9 h 40 min |
| December 20 | 58°F | 38°F | 25% | 14% | 9 h 40 min |
| December 21 | 58°F | 38°F | 25% | 14% | 9 h 40 min |
| December 22 | 58°F | 38°F | 25% | 14% | 9 h 40 min |
| December 23 | 58°F | 38°F | 25% | 14% | 9 h 40 min |
| December 24 | 58°F | 38°F | 25% | 14% | 9 h 40 min |
| December 25 | 58°F | 38°F | 26% | 14% | 9 h 40 min |
| December 26 | 58°F | 38°F | 26% | 15% | 9 h 40 min |
| December 27 | 58°F | 38°F | 26% | 15% | 9 h 40 min |
| December 28 | 57°F | 38°F | 26% | 15% | 9 h 40 min |
| December 29 | 57°F | 38°F | 27% | 15% | 9 h 40 min |
| December 30 | 57°F | 38°F | 27% | 15% | 9 h 40 min |
| December 31 | 57°F | 38°F | 27% | 16% | 9 h 40 min |
- Normal high
- 59°FDecember average
- Normal low
- 39°FDecember average
- Precipitation
- 1.93 inmonth total
- Days with precipitation
- 80.01 inch or more
- Nights at 32°F or colder
- 7
- Daylight
- 9 h 50 min to 9 h 40 minDecember 1 to December 31
- Days at 70°F or more
- 2
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00047077; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Porterville in December?
On a given December day the chance of 0.01 inch or more is 24% on average, highest around December 31 (27%). In all, 1.93 in falls on 8 days of a normal December.
In a normal December in Porterville, 7 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00047077.
What are the records for December in Porterville?
The warmest December temperature on this station's record (since 1902) is 86°F, on December 2, 1926; the coldest is 16°F, on December 24, 1990. The wettest December brought 5.60 in (1966); the snowiest, 2.0 inches (1932).
Source: records: ACIS, station USC00047077. Records and recent months use complete months only.
How does December in Porterville 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; Porterville's is 59°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Porterville in November68°F by day, 44°F at night
- Porterville in January59°F by day, 40°F at night
- Porterville 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