Porterville weather in January: Porterville, California: normal highs, lows, rain and records for January
Porterville in January has a normal high of 59°F and a normal low of 40°F, a daily mean of 49°F, rising from 57°F on the 1st to 62°F by the 31st. Measurable precipitation falls on 9 days in a normal January, 2.08 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 15°C and low of 4°C, 53 mm of precipitation in January.
- 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 January?
The normal high is 59°F and the normal low 40°F, for a daily mean of 49.4°F. January is 0.4°F warmer than December and 4.5°F cooler than February. January is the 11th warmest month of the year in Porterville and the wettest. Across the month the normal high rises 5°F, from 57°F on January 1 to 62°F on January 31. From one year to the next January's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 47°F and 52°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 57°F | 38°F | 27% | 16% |
| January 8 | 58°F | 39°F | 28% | 16% |
| January 15 | 59°F | 40°F | 29% | 17% |
| January 22 | 60°F | 40°F | 30% | 19% |
| January 31 | 62°F | 41°F | 30% | 19% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 57°F | 38°F | 27% | 16% | 9 h 40 min |
| January 2 | 57°F | 38°F | 28% | 16% | 9 h 50 min |
| January 3 | 58°F | 38°F | 28% | 16% | 9 h 50 min |
| January 4 | 58°F | 39°F | 28% | 16% | 9 h 50 min |
| January 5 | 58°F | 39°F | 28% | 16% | 9 h 50 min |
| January 6 | 58°F | 39°F | 28% | 16% | 9 h 50 min |
| January 7 | 58°F | 39°F | 28% | 16% | 9 h 50 min |
| January 8 | 58°F | 39°F | 28% | 16% | 9 h 50 min |
| January 9 | 58°F | 39°F | 28% | 16% | 9 h 50 min |
| January 10 | 58°F | 39°F | 29% | 17% | 9 h 50 min |
| January 11 | 58°F | 39°F | 29% | 17% | 9 h 50 min |
| January 12 | 58°F | 39°F | 29% | 17% | 9 h 50 min |
| January 13 | 58°F | 39°F | 29% | 17% | 10 h |
| January 14 | 59°F | 39°F | 29% | 17% | 10 h |
| January 15 | 59°F | 40°F | 29% | 17% | 10 h |
| January 16 | 59°F | 40°F | 29% | 18% | 10 h |
| January 17 | 59°F | 40°F | 30% | 18% | 10 h |
| January 18 | 59°F | 40°F | 30% | 18% | 10 h |
| January 19 | 59°F | 40°F | 30% | 18% | 10 h |
| January 20 | 60°F | 40°F | 30% | 18% | 10 h |
| January 21 | 60°F | 40°F | 30% | 18% | 10 h 10 min |
| January 22 | 60°F | 40°F | 30% | 19% | 10 h 10 min |
| January 23 | 60°F | 40°F | 30% | 19% | 10 h 10 min |
| January 24 | 60°F | 41°F | 30% | 19% | 10 h 10 min |
| January 25 | 61°F | 41°F | 30% | 19% | 10 h 10 min |
| January 26 | 61°F | 41°F | 30% | 19% | 10 h 10 min |
| January 27 | 61°F | 41°F | 30% | 19% | 10 h 10 min |
| January 28 | 61°F | 41°F | 30% | 19% | 10 h 20 min |
| January 29 | 61°F | 41°F | 30% | 19% | 10 h 20 min |
| January 30 | 62°F | 41°F | 30% | 19% | 10 h 20 min |
| January 31 | 62°F | 41°F | 30% | 19% | 10 h 20 min |
- Normal high
- 59°FJanuary average
- Normal low
- 40°FJanuary average
- Precipitation
- 2.08 inmonth total
- Days with precipitation
- 90.01 inch or more
- Nights at 32°F or colder
- 6
- Daylight
- 9 h 40 min to 10 h 20 minJanuary 1 to January 31
- Days at 70°F or more
- 2
- Sunshine
- 71%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 January?
On a given January day the chance of 0.01 inch or more is 29% on average, highest around January 25 (30%). In all, 2.08 in falls on 9 days of a normal January.
In a normal January in Porterville, 6 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00047077.
What are the records for January in Porterville?
The warmest January temperature on this station's record (since 1902) is 86°F, on January 20, 1920; the coldest is 18°F, on January 7, 1913. The wettest January brought 7.92 in (1969).
Source: records: ACIS, station USC00047077. Records and recent months use complete months only.
How does January in Porterville compare across California?
Across the 219 places PlainClimate covers in California, January normal highs run from 37°F in Tahoma to 72°F in Brawley; Porterville's is 59°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Porterville in December59°F by day, 39°F at night
- Porterville in February65°F by day, 43°F at night
- Porterville through the yearEvery month, frost dates, records and recent years
- California in JanuaryThe statewide normal and the warmest and coolest places
- Brawley: California's warmest Januarynormal high 72°F