Dallas weather in January: Dallas, Texas: normal highs, lows, rain and records for January
Dallas in January has a normal high of 57°F and a normal low of 36°F, a daily mean of 46°F, rising from 56°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 7 days in a normal January, 2.53 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 2°C, 64 mm of precipitation and 0 cm of snow in January.
- NOAA stationDallas Fort Worth Airport
- Station IDUSW00003927
- Location32.90°N 97.02°W
- Elevation560 ft (171 m)
- From the center16 miles
- Population1,326,087
- Jan 57° 36°
- Feb 61° 40°
- Mar 69° 48°
- Apr 76° 55°
- May 84° 65°
- Jun 92° 72°
- Jul 96° 76°
- Aug 96° 76°
- Sep 89° 69°
- Oct 78° 57°
- Nov 67° 46°
- Dec 58° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Dallas in January?
The normal high is 57°F and the normal low 36°F, for a daily mean of 46.3°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 Dallas and the 9th wettest. Across the month the normal high rises 2°F, from 56°F on January 1 to 58°F on January 31. From one year to the next January's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 43°F and 49°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 22%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 56°F | 36°F | 22% | 13% |
| January 8 | 56°F | 36°F | 22% | 13% |
| January 15 | 56°F | 36°F | 22% | 13% |
| January 22 | 57°F | 36°F | 22% | 13% |
| January 31 | 58°F | 37°F | 22% | 14% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 8)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 56°F | 36°F | 22% | 13% | 10 h |
| January 2 | 56°F | 36°F | 22% | 13% | 10 h |
| January 3 | 56°F | 36°F | 22% | 13% | 10 h |
| January 4 | 56°F | 36°F | 22% | 13% | 10 h |
| January 5 | 56°F | 36°F | 22% | 13% | 10 h |
| January 6 | 56°F | 36°F | 22% | 13% | 10 h |
| January 7 | 56°F | 36°F | 22% | 13% | 10 h |
| January 8 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 9 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 10 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 11 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 12 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 13 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 14 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 15 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 16 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 17 | 56°F | 36°F | 22% | 13% | 10 h 10 min |
| January 18 | 57°F | 36°F | 22% | 13% | 10 h 20 min |
| January 19 | 57°F | 36°F | 22% | 13% | 10 h 20 min |
| January 20 | 57°F | 36°F | 22% | 13% | 10 h 20 min |
| January 21 | 57°F | 36°F | 22% | 13% | 10 h 20 min |
| January 22 | 57°F | 36°F | 22% | 13% | 10 h 20 min |
| January 23 | 57°F | 36°F | 22% | 13% | 10 h 20 min |
| January 24 | 57°F | 36°F | 22% | 13% | 10 h 20 min |
| January 25 | 57°F | 36°F | 22% | 13% | 10 h 20 min |
| January 26 | 58°F | 37°F | 22% | 13% | 10 h 30 min |
| January 27 | 58°F | 37°F | 22% | 13% | 10 h 30 min |
| January 28 | 58°F | 37°F | 22% | 13% | 10 h 30 min |
| January 29 | 58°F | 37°F | 22% | 13% | 10 h 30 min |
| January 30 | 58°F | 37°F | 22% | 14% | 10 h 30 min |
| January 31 | 58°F | 37°F | 22% | 14% | 10 h 30 min |
- Normal high
- 57°FJanuary average
- Normal low
- 36°FJanuary average
- Precipitation
- 2.53 inmonth total
- Days with precipitation
- 70.01 inch or more
- Snowfall
- 0.1 inmonth total
- Nights at 32°F or colder
- 11
- Daylight
- 10 h to 10 h 30 minJanuary 1 to January 31
- Days at 70°F or more
- 5
- Days at 80°F or more
- 1
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003927; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Dallas in January?
On a given January day the chance of 0.01 inch or more is 22% on average, highest around January 16 (22%). In all, 2.53 in falls on 7 days of a normal January, 1 of them with an inch or more.
In a normal January in Dallas, 11 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 0.1 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003927.
How humid and windy is Dallas in January?
At 3 p.m. the normal temperature is 56°F with 44% relative humidity and a dew point of 35°F; at 6 a.m. it is 41°F with 76% humidity. The wind averages 10.5 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 41°F | 34°F | 76% | 9.1 mph | 44% |
| 9 a.m. | 44°F | 35°F | 71% | 10.5 mph | 36% |
| noon | 52°F | 35°F | 52% | 12.1 mph | 35% |
| 3 p.m. | 56°F | 35°F | 44% | 12.7 mph | 33% |
| 6 p.m. | 53°F | 35°F | 50% | 10.6 mph | 36% |
| 9 p.m. | 49°F | 35°F | 60% | 9.8 mph | 44% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003927. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for January in Dallas?
The warmest January temperature on Dallas's official record (since 1913) is 88°F, on January 23, 1943; the coldest is −3°F, on January 18, 1930. The wettest January brought 8.46 in (1949); the snowiest, 9.0 inches (1918).
The January mean against the 1991-2020 normal of 46.3°F: 2021 47.5°F (+1.2), 2022 45.8°F (−0.5), 2023 52.1°F (+5.8), 2024 43.0°F (−3.3), 2025 42.9°F (−3.4), 2026 46.4°F (+0.1). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 47.5°F | +1.2°F | 0.85 in |
| 2022 | 45.8°F | −0.5°F | 0.08 in |
| 2023 | 52.1°F | +5.8°F | 1.38 in |
| 2024 | 43.0°F | −3.3°F | 3.20 in |
| 2025 | 42.9°F | −3.4°F | 5.69 in |
| 2026 | 46.4°F | +0.1°F | 0.93 in |
Source: records: ACIS, NWS threaded record DALthr; recent months: ACIS, station USW00003927. Records and recent months use complete months only.
How does January in Dallas 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; Dallas's is 57°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.