Pacifica weather in January: Pacifica, California: normal highs, lows, rain and records for January
Pacifica in January has a normal high of 58°F and a normal low of 45°F, a daily mean of 52°F, holding near 58°F all month. Measurable precipitation falls on 11 days in a normal January, 6.14 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 15°C and low of 7°C, 156 mm of precipitation in January.
- NOAA stationPacifica (4 mi SSE)
- Station IDUSC00046599
- Location37.59°N 122.47°W
- Elevation475 ft (145 m)
- From the center1 miles
- Population37,056
- Jan 58° 45°
- Feb 60° 46°
- Mar 61° 46°
- Apr 64° 48°
- May 67° 49°
- Jun 69° 51°
- Jul 69° 52°
- Aug 71° 53°
- Sep 72° 53°
- Oct 70° 52°
- Nov 64° 50°
- Dec 59° 46°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Pacifica in January?
The normal high is 58°F and the normal low 45°F, for a daily mean of 51.7°F. January is 0.8°F cooler than December and 1.4°F cooler than February. January is the 12th warmest month of the year in Pacifica and the 3rd wettest. Across the month the normal high rises 1°F, from 58°F on January 1 to 59°F on January 31. From one year to the next January's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 50°F and 54°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 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 58°F | 45°F | 35% | 27% |
| January 8 | 58°F | 45°F | 34% | 27% |
| January 15 | 58°F | 45°F | 35% | 28% |
| January 22 | 58°F | 46°F | 36% | 29% |
| January 31 | 59°F | 46°F | 38% | 31% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 30, coldest night January 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 58°F | 45°F | 35% | 27% | 9 h 40 min |
| January 2 | 58°F | 45°F | 35% | 27% | 9 h 40 min |
| January 3 | 58°F | 45°F | 35% | 27% | 9 h 40 min |
| January 4 | 58°F | 45°F | 35% | 27% | 9 h 40 min |
| January 5 | 58°F | 45°F | 35% | 27% | 9 h 40 min |
| January 6 | 58°F | 45°F | 34% | 27% | 9 h 40 min |
| January 7 | 58°F | 45°F | 34% | 27% | 9 h 40 min |
| January 8 | 58°F | 45°F | 34% | 27% | 9 h 40 min |
| January 9 | 58°F | 45°F | 35% | 27% | 9 h 40 min |
| January 10 | 58°F | 45°F | 35% | 27% | 9 h 40 min |
| January 11 | 58°F | 45°F | 35% | 27% | 9 h 50 min |
| January 12 | 58°F | 45°F | 35% | 27% | 9 h 50 min |
| January 13 | 58°F | 45°F | 35% | 27% | 9 h 50 min |
| January 14 | 58°F | 45°F | 35% | 28% | 9 h 50 min |
| January 15 | 58°F | 45°F | 35% | 28% | 9 h 50 min |
| January 16 | 58°F | 45°F | 35% | 28% | 9 h 50 min |
| January 17 | 58°F | 45°F | 35% | 28% | 9 h 50 min |
| January 18 | 58°F | 45°F | 36% | 28% | 9 h 50 min |
| January 19 | 58°F | 45°F | 36% | 28% | 10 h |
| January 20 | 58°F | 45°F | 36% | 29% | 10 h |
| January 21 | 58°F | 46°F | 36% | 29% | 10 h |
| January 22 | 58°F | 46°F | 36% | 29% | 10 h |
| January 23 | 58°F | 46°F | 37% | 29% | 10 h |
| January 24 | 58°F | 46°F | 37% | 29% | 10 h |
| January 25 | 59°F | 46°F | 37% | 30% | 10 h 10 min |
| January 26 | 59°F | 46°F | 37% | 30% | 10 h 10 min |
| January 27 | 59°F | 46°F | 37% | 30% | 10 h 10 min |
| January 28 | 59°F | 46°F | 37% | 30% | 10 h 10 min |
| January 29 | 59°F | 46°F | 37% | 30% | 10 h 10 min |
| January 30 | 59°F | 46°F | 38% | 31% | 10 h 10 min |
| January 31 | 59°F | 46°F | 38% | 31% | 10 h 20 min |
- Normal high
- 58°FJanuary average
- Normal low
- 45°FJanuary average
- Precipitation
- 6.14 inmonth total
- Days with precipitation
- 110.01 inch or more
- Daylight
- 9 h 40 min to 10 h 20 minJanuary 1 to January 31
- Days at 70°F or more
- 1
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00046599; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Pacifica in January?
On a given January day the chance of 0.01 inch or more is 36% on average, highest around January 31 (38%). In all, 6.14 in falls on 11 days of a normal January, 2 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00046599.
How does January in Pacifica 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; Pacifica's is 58°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.