McKinney, TX weather in January
McKinney is cool in January, with some rain: highs average 56°F and nights drop to about 34°F. Rain falls on about 7 days. It is one of the coolest months in McKinney.
- Normal high
- 56°F
- Normal low
- 34°F
- Wet days
- 7
- 2.6 in total
- Muggy days
- 0
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 55°F | 57°F |
| Normal low | 34°F | 35°F |
| Chance of a wet day | 23% | 24% |
| Sunrise / sunset | 7:29 am / 5:30 pm | 7:22 am / 5:57 pm |
| Daylight | 10.0 h | 10.6 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical January day
- 6 am40°Fdew point 33°F
- 9 am43°Fdew point 34°F
- Noon51°Fdew point 34°F
- 3 pm55°Fdew point 34°F
- 6 pm51°Fdew point 34°F
- 9 pm47°Fdew point 34°F
NOAA hourly normals (local standard time) from Dallas Ft Worth Airport (31 mi away); average wind 11 mph; clear or few clouds in 38% of daytime hours, mostly cloudy or overcast in 52%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F8 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow7 of 31
- Notable rainat least 0.10 in4 of 31
- Freezing nightslow 32°F or below16 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain and snow in January
Normal precipitation is 2.6 in; a dry January brings about 1.2 in and a wet one about 3.3 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.2 in.
How January varies from year to year
- Warmest January, 1991-20202006: average high 67°F
- Coolest January2007: average high 49°F
- Wettest January2012: 7.1 in
- Driest January2003: 0.2 in
- Highest reading82°F (January 3, 2006)
- Lowest reading7°F (January 17, 2018)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 57°F | 56°F | 60°F |
| Normal low | 36°F | 34°F | 38°F |
| Wet days | 7 | 7 | 8 |
| Comfortable days | 8 | 8 | 10 |
| Daylight | 10.0 h | 10.2 h | 11.0 h |
Highs change by -1°F from December and +4°F into February.
Nearby alternatives in January
- Warmer: College Station, TX178 mi · high 62°F · 9 wet days
- Cooler: Oklahoma City, OK165 mi · high 49°F · 5 wet days
How McKinney ranks in January
- Normal high153rd warmest of 378 cities; 35th of 38 in Texas
- Wet days110th driest of 378
- Comfortable days103rd most of 339
What to pack for McKinney in January
- A warm jacket – lows near 34°F, highs near 56°F
- A hat and gloves – about 16 freezing nights
Heating and cooling
January has 631 heating degree days and 2 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How cold is McKinney in January?
The normal high is 56°F and the normal low is 34°F. From 1991 to 2020 the coldest January reading was 7°F (January 17, 2018).
Does it rain a lot in McKinney in January?
About 7 days in January have at least 0.01 in of precipitation, and the normal total is 2.6 in. The wettest January in 1991-2020 was in 2012 (7.1 in); the driest was in 2003 (0.2 in).
Does it snow in McKinney in January?
Yes. Normal snowfall in January is 0.2 in.
Is January a good time to visit McKinney?
January ranks 7th of 12 months on our comfort score for McKinney (53 out of 100). It has about 8 comfortable days. The best months are March and April.
Where the numbers come from
- Temperature and frost dates: Mckinney Muni Airport (USW00053914), 1.9 mi SE of the city center, 580 ft (50 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Frisco (USC00413370), 10 mi W of the city center, 747 ft (117 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Dallas Ft Worth Airport (USW00003927), 31 mi SW of the city center, 560 ft (70 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Dallas/Ft Worth International Airport (722590-03927), 31 mi SW of the city center, 544 ft (86 ft lower than the city). Hourly observations, 1991-2020.