McKinney weather in January: McKinney, Texas: normal highs, lows, rain and records for January
McKinney in January has a normal high of 56°F and a normal low of 34°F, a daily mean of 45°F, rising from 55°F on the 1st to 57°F by the 31st. Measurable precipitation falls on 6 days in a normal January, 2.70 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 13°C and low of 1°C, 69 mm of precipitation in January.
- NOAA stationMcKinney Municipal Airport
- Station IDUSW00053914
- Location33.18°N 96.59°W
- Elevation580 ft (177 m)
- Population227,526
- Jan 56° 34°
- Feb 60° 38°
- Mar 68° 46°
- Apr 75° 53°
- May 83° 62°
- Jun 91° 70°
- Jul 95° 74°
- Aug 96° 73°
- Sep 88° 66°
- Oct 78° 54°
- Nov 66° 44°
- Dec 57° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is McKinney in January?
The normal high is 56°F and the normal low 34°F, for a daily mean of 44.7°F. January is 1.8°F cooler than December and 4.2°F cooler than February. January is the 12th warmest month of the year in McKinney and the 9th wettest. Across the month the normal high rises 2°F, from 55°F on January 1 to 57°F on January 31. From one year to the next January's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 42°F and 48°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 23%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 55°F | 34°F | 21% | 13% |
| January 8 | 55°F | 33°F | 21% | 13% |
| January 15 | 55°F | 34°F | 21% | 13% |
| January 22 | 56°F | 34°F | 22% | 14% |
| January 31 | 57°F | 35°F | 23% | 14% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 4)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 55°F | 34°F | 21% | 13% | 10 h |
| January 2 | 55°F | 34°F | 21% | 13% | 10 h |
| January 3 | 55°F | 34°F | 21% | 13% | 10 h |
| January 4 | 55°F | 33°F | 21% | 13% | 10 h |
| January 5 | 55°F | 33°F | 21% | 13% | 10 h |
| January 6 | 55°F | 33°F | 21% | 13% | 10 h |
| January 7 | 55°F | 33°F | 21% | 13% | 10 h |
| January 8 | 55°F | 33°F | 21% | 13% | 10 h |
| January 9 | 55°F | 33°F | 21% | 13% | 10 h 10 min |
| January 10 | 55°F | 33°F | 21% | 13% | 10 h 10 min |
| January 11 | 55°F | 33°F | 21% | 13% | 10 h 10 min |
| January 12 | 55°F | 33°F | 21% | 13% | 10 h 10 min |
| January 13 | 55°F | 34°F | 21% | 13% | 10 h 10 min |
| January 14 | 55°F | 34°F | 21% | 13% | 10 h 10 min |
| January 15 | 55°F | 34°F | 21% | 13% | 10 h 10 min |
| January 16 | 55°F | 34°F | 21% | 13% | 10 h 10 min |
| January 17 | 55°F | 34°F | 22% | 13% | 10 h 10 min |
| January 18 | 56°F | 34°F | 22% | 13% | 10 h 10 min |
| January 19 | 56°F | 34°F | 22% | 14% | 10 h 20 min |
| January 20 | 56°F | 34°F | 22% | 14% | 10 h 20 min |
| January 21 | 56°F | 34°F | 22% | 14% | 10 h 20 min |
| January 22 | 56°F | 34°F | 22% | 14% | 10 h 20 min |
| January 23 | 56°F | 34°F | 22% | 14% | 10 h 20 min |
| January 24 | 56°F | 34°F | 22% | 14% | 10 h 20 min |
| January 25 | 56°F | 34°F | 22% | 14% | 10 h 20 min |
| January 26 | 56°F | 35°F | 22% | 14% | 10 h 20 min |
| January 27 | 57°F | 35°F | 22% | 14% | 10 h 30 min |
| January 28 | 57°F | 35°F | 23% | 14% | 10 h 30 min |
| January 29 | 57°F | 35°F | 23% | 14% | 10 h 30 min |
| January 30 | 57°F | 35°F | 23% | 14% | 10 h 30 min |
| January 31 | 57°F | 35°F | 23% | 14% | 10 h 30 min |
- Normal high
- 56°FJanuary average
- Normal low
- 34°FJanuary average
- Precipitation
- 2.70 inmonth total
- Days with precipitation
- 60.01 inch or more
- Nights at 32°F or colder
- 16
- Daylight
- 10 h to 10 h 30 minJanuary 1 to January 31
- Days at 70°F or more
- 4
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053914; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in McKinney in January?
On a given January day the chance of 0.01 inch or more is 22% on average, highest around January 31 (23%). In all, 2.70 in falls on 6 days of a normal January, 1 of them with an inch or more.
In a normal January in McKinney, 16 nights fall to freezing and 1 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053914.
What are the records for January in McKinney?
The warmest January temperature on this station's record (since 1998) is 82°F, on January 3, 2006; the coldest is 7°F, on January 17, 2018. The wettest January brought 6.74 in (2012).
The January mean against the 1991-2020 normal of 44.7°F: 2021 45.7°F (+1.0), 2022 43.7°F (−1.0), 2023 49.2°F (+4.5), 2024 41.0°F (−3.7), 2025 40.6°F (−4.1), 2026 44.1°F (−0.6). 2 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 45.7°F | +1.0°F | 1.07 in |
| 2022 | 43.7°F | −1.0°F | 0.07 in |
| 2023 | 49.2°F | +4.5°F | 1.42 in |
| 2024 | 41.0°F | −3.7°F | 2.84 in |
| 2025 | 40.6°F | −4.1°F | 4.24 in |
| 2026 | 44.1°F | −0.6°F | 1.18 in |
Source: records: ACIS, station USW00053914; recent months: ACIS, station USW00053914. Records and recent months use complete months only.
How does January in McKinney compare across Texas?
Across the 321 places PlainClimate covers in Texas, January normal highs run from 49°F in Follett to 73°F in McAllen; McKinney's is 56°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.