Del Rio weather in January

In January, Del Rio sees average daytime highs of 65°F and overnight lows near 44°F, with 0.9 in of rain across 3.5 wet days and about 10.3 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 64°F in the first days to 66°F by the end. The sky is clear or mostly clear about 47% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of January to 10 h 36 min by month's end. Set against the rest of the year, January is Del Rio's 9th-clearest and 11th-windiest month. For the whole year in context, see Del Rio's year-round climate.

Daytime high
65°
12th warmest
Overnight low
44°
1st coldest
Rainfall
0.9 in
3.5 wet days
Daylight
10 h 18 min
7:44 AM – 6:02 PM
Cloud cover
46%
9th clearest
Wind
8 mph
11th windiest
Solar energy
3.43 kWh/m²
Travel score
7.1
out of 10

Del Rio is city and the county seat of Val Verde County, Texas, United States.

Density
691/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 64°F in the first days to 66°F by the end.

A typical January day in Del Rio reaches about 65°F in the afternoon and slips back to 44°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 76°F. Set against its neighbours, January runs on par with December and about 5°F cooler than February.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16443
26443
36443
46443
56443
66443
76443
86443
96443
106443
116443
126443
136443
146443
156543
166544
176544
186544
196544
206544
216544
226644
236644
246644
256644
266644
276645
286645
296745
306745
316745

How January really feels in Del Rio

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 0 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
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Del Rio weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 44°0.93.510.37.1
Feb70° / 48°0.9410.97.6
Mar77° / 55°1.55.211.87.7
Apr85° / 62°1.75.112.76.2
May91° / 70°2.57.613.43.9
Jun96° / 76°1.5613.82.5
Jul97° / 78°1.65.513.72.1
Aug98° / 78°1.64.713.12.1
Sep91° / 72°2.67.512.23.9
Oct83° / 63°2.2611.36.6
Nov73° / 52°1.24.410.57.9
Dec65° / 44°0.93.810.27.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45842
55842
65842
75842
85842
95842
105941
115842
125941
135941
145842
155941
165941
175842
185842
195842
205842
215941
225941
235941
246040
256040
266040
276040
286040
296040
306040
316040

Chance of precipitation in January

Any precipitation

Del Rio gets around 0.9 in of rain over 3.5 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
511
611
711
811
911
1011
1111
1211
1311
1411
1511
1611
1711
1811
1911
2011
2111
2211
2311
2412
2512
2612
2712
2812
2912
3012
3113

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 (%)
19442
29442
39442
49352
59352
69352
79352
89451
99451
109451
119451
129451
139451
149451
159541
169541
179541
189541
199541
209541
219541
229541
239541
249541
259541
269541
279541
289541
299541
309442
319442

Wind in January

Winds average 8 mph in January.

Across January, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 06 min at the start of January to 10 h 36 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 7:42 AM to 7:39 AM, and sunset from 5:51 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.17:425:51
210.27:435:52
310.27:435:53
410.27:435:53
510.27:435:54
610.27:435:55
710.27:435:55
810.27:445:56
910.27:445:57
1010.27:445:58
1110.27:445:58
1210.37:445:59
1310.37:446:00
1410.37:446:01
1510.37:446:01
1610.37:446:02
1710.37:436:03
1810.37:436:04
1910.47:436:05
2010.47:436:05
2110.47:436:06
2210.47:436:07
2310.47:426:08
2410.47:426:09
2510.57:426:10
2610.57:416:10
2710.57:416:11
2810.57:416:12
2910.57:406:13
3010.67:406:14
3110.67:396:15

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.43 kWh/m².

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 6.87 kWh/m² in July across the year — January's 3.43 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.8Moderate
Planning a trip in January

Is January a good time to visit Del Rio?

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

7.1
Sightseeing
4th-best month of the year
2.6
Beach & pool
12th-best month of the year

January is one of the better times to visit Del Rio for general sightseeing.

What to pack for Del Rio in January

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

In January, Del Rio sees daytime highs around 65°F and nights near 44°F. Worth packing: a warm layer. About 4 days see rain.

a warm layer

UV index in Del Rio in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Del Rio peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 18UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar8Very high
Apr10Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Del Rio 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 Del Rio is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (January, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Jan 166 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar7Good
Apr8Good
May13Moderate
Jun14Moderate
Jul17Moderate
Aug12Moderate
Sep10Good
Oct7Good
Nov7Good
Dec6Good
Location & terrain

Where is Del Rio?

Del Rio sits at 29.4°N, 100.9°W, 968 ft above sea level, in United States. The nearest listed city is Ciudad Acuña, 4.3 mi away.

Topography around Del Rio

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

Within 2 miles, the terrain around Del Rio has only modest variations in elevation — a maximum elevation change of 200 ft around an average of 981 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 489 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,773 ft.

The land around Del Rio is covered by artificial surfaces (39%), trees (23%) and shrubs (23%) within 2 miles, shrubs (74%) within 10 miles, and shrubs (78%) within 50 miles.

2 miles
200 ft
10 miles
489 ft
50 miles
3,773 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Ciudad Acuña 4.3 mi · Piedras Negras 51 mi · Eagle Pass 51 mi · Nava 66 mi · Uvalde 68 mi · Allende 71 mi · Nueva Rosita 101 mi · Sabinas 105 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 Del Rio (29.3627°, -100.8968°, elevation 968 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).