Dallas weather in January

In January, Dallas sees average daytime highs of 57°F and overnight lows near 38°F, with 2.8 in of precipitation across 7.1 wet days and about 10.1 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 57°F through the month. The sky is clear or mostly clear about 43% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of January to 10 h 24 min by month's end. Set against the rest of the year, January is Dallas's 8th-clearest and 6th-windiest month. For the whole year in context, see Dallas's year-round climate.

Daytime high
57°
12th warmest
Overnight low
38°
1st coldest
Precipitation
2.8 in
7.1 wet days
Daylight
10 h 06 min
7:35 AM – 5:38 PM
Cloud cover
51%
8th clearest
Wind
9 mph
6th windiest
Solar energy
2.84 kWh/m²
Travel score
4.3
out of 10

Dallas is city in the state of Texas, United States.

Density
1,327/km²
people per km²
Founded
1841

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 57°F through the month.

A typical January day in Dallas reaches about 57°F in the afternoon and slips back to 38°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 41°F and 71°F. Set against its neighbours, January runs about 1°F cooler than December and about 4°F cooler than February.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
15638
25638
35638
45638
55638
65638
75638
85638
95638
105638
115638
125638
135638
145638
155638
165638
175638
185738
195738
205738
215738
225738
235738
245738
255838
265838
275839
285839
295839
305839
315839

How January really feels in Dallas

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 22 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
22
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Dallas weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 38°2.87.110.14.3
Feb61° / 42°3.07.710.85.2
Mar68° / 49°3.99.511.86.4
Apr75° / 56°4.28.812.87.1
May83° / 65°5.010.713.75.9
Jun90° / 73°3.38.414.14.1
Jul94° / 76°1.65.813.93.0
Aug94° / 76°2.15.413.23.1
Sep88° / 69°2.55.912.25.1
Oct78° / 58°3.87.711.27.3
Nov67° / 48°3.57.210.36.7
Dec58° / 40°3.579.94.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35347
45347
55347
65347
75347
85347
95347
105347
115248
125248
135248
145248
155347
165248
175248
185248
195248
205248
215248
225248
235149
245149
255149
265050
275149
285050
295050
305050
315050

Chance of precipitation in January

Any precipitationSnow

Dallas gets around 2.8 in of rain and snow over 7.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 23% and peaks near 24% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1222
2222
3222
4222
5222
6222
7232
8232
9232
10232
11232
12241
13241
14241
15241
16241
17241
18241
19241
20241
21241
22231
23231
24231
25231
26231
27231
28232
29232
30232
31232

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
192521
292521
393520
493520
593520
693520
793520
893520
993520
1093520
1193520
1295410
1395410
1495410
1595410
1695410
1795410
1895410
1995410
2095410
2196310
2296310
2395320
2495320
2595320
2695320
2795320
2895320
2995320
3094330
3193430

Wind in January

Winds average 9 mph in January.

Across January, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 54 min at the start of January to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:34 AM to 7:29 AM, and sunset from 5:27 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:345:27
29.97:345:27
39.97:355:28
49.97:355:29
59.97:355:29
69.97:355:30
79.97:355:31
89.97:355:32
910.07:355:33
1010.07:355:33
1110.07:355:34
1210.07:355:35
1310.07:355:36
1410.07:355:37
1510.07:355:37
1610.17:355:38
1710.17:355:39
1810.17:345:40
1910.17:345:41
2010.17:345:42
2110.27:345:43
2210.27:335:44
2310.27:335:45
2410.27:325:45
2510.27:325:46
2610.37:325:47
2710.37:315:48
2810.37:315:49
2910.37:305:50
3010.47:305:51
3110.47:295:52

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.84 kWh/m².

For context, solar energy here swings from a low near 2.57 kWh/m² to a high of 6.79 kWh/m² in July across the year — January's 2.84 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.1Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.2Moderate
Planning a trip in January

Is January a good time to visit Dallas?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.3
Sightseeing
9th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a reasonable time to visit Dallas for sightseeing.

What to pack for Dallas in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Dallas sees daytime highs around 57°F and nights near 38°F. Worth packing: a warm layer. About 7 days see rain.

a warm layer

UV index in Dallas in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dallas peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 17UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr9Very high
May10Very high
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Dallas in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Dallas is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (October, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1519 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar10Good
Apr11Good
May14Moderate
Jun16Moderate
Jul19Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Dallas?

Dallas sits at 32.8°N, 96.8°W, 420 ft above sea level, in United States. The nearest listed city is University Park, 4.3 mi away.

Topography around Dallas

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Dallas.

Within 2 miles, the terrain around Dallas has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 440 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 407 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 860 ft.

The land around Dallas is covered by artificial surfaces (71%) within 2 miles, artificial surfaces (45%) and trees (39%) within 10 miles, and grassland (48%) and trees (24%) within 50 miles.

2 miles
154 ft
10 miles
407 ft
50 miles
860 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: University Park 4.3 mi · Irving 8.7 mi · Duncanville 11 mi · Farmers Branch 11 mi · Balch Springs 11 mi · Grand Prairie 11 mi · Mesquite 12 mi · Richardson 12 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Dallas (32.7831°, -96.8067°, elevation 420 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).