Santa Ana weather in January: Santa Ana, California: normal highs, lows, rain and records for January
Santa Ana in January has a normal high of 67°F and a normal low of 49°F, a daily mean of 58°F, holding near 67°F all month. Measurable precipitation falls on 6 days in a normal January, 2.59 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 9°C, 66 mm of precipitation in January.
- NOAA stationSanta Ana John Wayne Airport
- Station IDUSW00093184
- Location33.68°N 117.87°W
- Elevation54 ft (17 m)
- From the center4 miles
- Population316,184
- Jan 67° 49°
- Feb 67° 50°
- Mar 68° 52°
- Apr 70° 55°
- May 71° 59°
- Jun 74° 63°
- Jul 79° 66°
- Aug 80° 67°
- Sep 80° 65°
- Oct 77° 59°
- Nov 72° 53°
- Dec 67° 48°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Santa Ana in January?
The normal high is 67°F and the normal low 49°F, for a daily mean of 57.8°F. January is 0.4°F warmer than December and 0.6°F cooler than February. January is the 11th warmest month of the year in Santa Ana and the 2nd wettest. Across the month the normal high rises 1°F, from 66°F on January 1 to 67°F on January 31. From one year to the next January's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 56°F and 60°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 21%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 66°F | 48°F | 21% | 12% |
| January 8 | 67°F | 48°F | 20% | 11% |
| January 15 | 67°F | 49°F | 18% | 11% |
| January 22 | 67°F | 49°F | 18% | 11% |
| January 31 | 67°F | 49°F | 20% | 11% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 15, coldest night January 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 66°F | 48°F | 21% | 12% | 10 h |
| January 2 | 67°F | 48°F | 21% | 12% | 10 h |
| January 3 | 67°F | 48°F | 21% | 12% | 10 h |
| January 4 | 67°F | 48°F | 20% | 11% | 10 h |
| January 5 | 67°F | 48°F | 20% | 11% | 10 h |
| January 6 | 67°F | 48°F | 20% | 11% | 10 h |
| January 7 | 67°F | 48°F | 20% | 11% | 10 h |
| January 8 | 67°F | 48°F | 20% | 11% | 10 h |
| January 9 | 67°F | 48°F | 19% | 11% | 10 h |
| January 10 | 67°F | 48°F | 19% | 11% | 10 h |
| January 11 | 67°F | 48°F | 19% | 11% | 10 h |
| January 12 | 67°F | 48°F | 19% | 11% | 10 h 10 min |
| January 13 | 67°F | 49°F | 19% | 11% | 10 h 10 min |
| January 14 | 67°F | 49°F | 18% | 11% | 10 h 10 min |
| January 15 | 67°F | 49°F | 18% | 11% | 10 h 10 min |
| January 16 | 67°F | 49°F | 18% | 11% | 10 h 10 min |
| January 17 | 67°F | 49°F | 18% | 11% | 10 h 10 min |
| January 18 | 67°F | 49°F | 18% | 11% | 10 h 10 min |
| January 19 | 67°F | 49°F | 18% | 11% | 10 h 10 min |
| January 20 | 67°F | 49°F | 18% | 11% | 10 h 10 min |
| January 21 | 67°F | 49°F | 18% | 11% | 10 h 20 min |
| January 22 | 67°F | 49°F | 18% | 11% | 10 h 20 min |
| January 23 | 67°F | 49°F | 18% | 11% | 10 h 20 min |
| January 24 | 67°F | 49°F | 18% | 11% | 10 h 20 min |
| January 25 | 67°F | 49°F | 19% | 11% | 10 h 20 min |
| January 26 | 67°F | 49°F | 19% | 11% | 10 h 20 min |
| January 27 | 67°F | 49°F | 19% | 11% | 10 h 20 min |
| January 28 | 67°F | 49°F | 19% | 11% | 10 h 30 min |
| January 29 | 67°F | 49°F | 19% | 11% | 10 h 30 min |
| January 30 | 67°F | 49°F | 20% | 11% | 10 h 30 min |
| January 31 | 67°F | 49°F | 20% | 11% | 10 h 30 min |
- Normal high
- 67°FJanuary average
- Normal low
- 49°FJanuary average
- Precipitation
- 2.59 inmonth total
- Days with precipitation
- 60.01 inch or more
- Daylight
- 10 h to 10 h 30 minJanuary 1 to January 31
- Days at 70°F or more
- 11
- Days at 80°F or more
- 3
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093184; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Santa Ana in January?
On a given January day the chance of 0.01 inch or more is 19% on average, highest around January 1 (21%). In all, 2.59 in falls on 6 days of a normal January, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093184.
What are the records for January in Santa Ana?
The warmest January temperature on this station's record (since 1999) is 90°F, on January 31, 2003; the coldest is 33°F, on January 14, 2007. The wettest January brought 6.35 in (2010).
The January mean against the 1991-2020 normal of 57.8°F: 2021 58.6°F (+0.8), 2022 60.2°F (+2.4), 2023 56.5°F (−1.3), 2024 58.3°F (+0.5), 2025 58.3°F (+0.5), 2026 61.6°F (+3.8). 5 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 58.6°F | +0.8°F | 1.76 in |
| 2022 | 60.2°F | +2.4°F | 0.06 in |
| 2023 | 56.5°F | −1.3°F | 4.18 in |
| 2024 | 58.3°F | +0.5°F | 1.59 in |
| 2025 | 58.3°F | +0.5°F | 0.50 in |
| 2026 | 61.6°F | +3.8°F | 1.08 in |
Source: records: ACIS, station USW00093184; recent months: ACIS, station USW00093184. Records and recent months use complete months only.
How does January in Santa Ana 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; Santa Ana's is 67°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.