Plano, TX weather in January
Plano is cool in January, with some rain: highs average 58°F and nights drop to about 38°F. There are about 8 days with rain. It is one of the coolest months in Plano.
- Normal high
- 58°F
- Normal low
- 38°F
- Wet days
- 8
- 2.8 in total
- Muggy days
- 0
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 57°F | 59°F |
| Normal low | 38°F | 39°F |
| Chance of a wet day | 26% | 26% |
| 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 (20 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°F9 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 snow8 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below9 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 2.8 in; a dry January brings about 1.5 in and a wet one about 3.9 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 68°F
- Coolest January2007: average high 50°F
- Wettest January2005: 6.0 in
- Driest January2003: 0.1 in
- Highest reading83°F (January 3, 2006)
- Lowest reading14°F (January 9, 2010)
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 | 59°F | 58°F | 62°F |
| Normal low | 40°F | 38°F | 42°F |
| Wet days | 8 | 8 | 8 |
| Comfortable days | 9 | 9 | 11 |
| Daylight | 10.0 h | 10.3 h | 11.0 h |
Highs change by -1°F from December and +4°F into February.
Nearby alternatives in January
- Warmer: Conroe, TX201 mi · high 63°F · 8 wet days
- Drier: Wichita Falls, TX120 mi · high 55°F · 5 wet days
- Cooler: Oklahoma City, OK175 mi · high 49°F · 5 wet days
How Plano ranks in January
- Normal high134th warmest of 378 cities; 29th of 38 in Texas
- Wet days144th driest of 378
- Comfortable days99th most of 339
What to pack for Plano in January
- A warm jacket – lows near 38°F, highs near 58°F
- A rain jacket or umbrella – rain on about 8 days
Heating and cooling
January has 537 heating degree days and 4 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.
Questions
How cold is Plano in January?
The normal high is 58°F and the normal low is 38°F. From 1991 to 2020 the coldest January reading was 14°F (January 9, 2010).
Does it rain a lot in Plano in January?
About 8 days in January have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest January in 1991-2020 was in 2005 (6.0 in); the driest was in 2003 (0.2 in).
Does it snow in Plano in January?
Yes. Normal snowfall in January is 0.2 in.
Is January a good time to visit Plano?
January ranks 7th of 12 months on our comfort score for Plano (54 out of 100). It has about 9 comfortable days. The best months are March and April.
Where the numbers come from
- Temperature: Dallas Love Fld (USW00013960), 15 mi SW of the city center, 440 ft (228 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Rain and frost dates: Richardson (USC00417588), 3.0 mi WSW of the city center, 678 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Frisco (USC00413370), 13 mi NNW of the city center, 747 ft (79 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), 20 mi WSW of the city center, 560 ft (108 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Dallas/Ft Worth International Airport (722590-03927), 21 mi WSW of the city center, 544 ft (124 ft lower than the city). Hourly observations, 1991-2020.