Piedras Negras weather in April

In April, Piedras Negras sees average daytime highs of 30°C and overnight lows near 18°C, with 48 mm of rain across 6.1 wet days and about 12.7 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 32°C by the end. The sky is clear or mostly clear about 46% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 06 min by month's end. Set against the rest of the year, April is Piedras Negras's 7th-clearest and 4th-windiest month. For the whole year in context, see Piedras Negras's year-round climate.

Daytime high
30°
6th warmest
Overnight low
18°
6th coldest
Rainfall
48 mm
6.1 wet days
Daylight
12 h 42 min
6:22 AM – 7:03 PM
Cloud cover
47%
7th clearest
Wind
16 km/h
4th windiest
Solar energy
5.89 kWh/m²
Travel score
5.5
out of 10

Piedras Negras is municipal seat of Piedras Negras, State of Coahuila, Mexico.

Founded
1850

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 32°C by the end.

A typical April day in Piedras Negras reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 36°C. Set against its neighbours, April runs about 4°C warmer than March and about 3°C cooler than May.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
12816
22816
32816
42916
52916
62916
72917
82917
92917
102917
113017
123017
133017
143018
153018
163018
173018
183118
193118
203118
213119
223119
233119
243119
253119
263119
273219
283219
293220
303220

How April really feels in Piedras Negras

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

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

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

Piedras Negras weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 254.410.47.1
Feb22° / 10°274.5117.6
Mar26° / 14°435.611.87.5
Apr30° / 18°486.112.75.5
May33° / 22°748.313.43.5
Jun36° / 25°466.113.82.1
Jul37° / 26°505.913.61.6
Aug37° / 26°464.6131.6
Sep34° / 23°798.312.23.5
Oct29° / 18°606.511.36.2
Nov23° / 12°364.810.67.8
Dec19° / 274.510.27.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35842
45842
55842
65842
76040
86040
96040
106139
116139
126139
136040
146040
156040
166040
176040
186040
196040
206040
216040
226040
236040
246139
256040
266040
276139
286139
296139
306139

Chance of precipitation in April

Any precipitation

Piedras Negras gets around 48 mm of rain over 6.1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 24% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
119
219
319
419
519
618
718
819
919
1019
1119
1219
1319
1420
1520
1620
1721
1821
1922
2022
2122
2222
2323
2423
2523
2623
2723
2823
2923
3024

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
151182380
250182390
3511722100
4511722100
5501722111
6491721111
7491821121
8481821131
9471821131
10471821141
11461821151
12451821161
13441821161
14431821171
15431821181
16421821191
17411721191
18411721201
19401721211
20401721211
21391722221
22391622221
23381622231
24371622241
25371522252
26361522262
27351422272
28341422283
29331322293
30321222304

Wind in April

Winds average 16 km/h in April.

Across April, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over April. Sunrise moves from 6:39 AM to 6:08 AM, and sunset from 6:54 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:396:54
212.36:386:55
312.36:376:56
412.36:356:56
512.46:346:57
612.46:336:57
712.46:326:58
812.56:316:58
912.56:306:59
1012.56:287:00
1112.56:277:00
1212.66:267:01
1312.66:257:01
1412.66:247:02
1512.76:237:02
1612.76:227:03
1712.76:217:04
1812.76:207:04
1912.86:187:05
2012.86:177:05
2112.86:167:06
2212.96:157:06
2312.96:147:07
2412.96:137:08
2512.96:127:08
2613.06:117:09
2713.06:107:09
2813.06:097:10
2913.06:097:11
3013.16:087:11

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.89 kWh/m².

For context, solar energy here swings from a low near 3.04 kWh/m² to a high of 6.86 kWh/m² in July across the year — April's 5.89 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in April

Is April a good time to visit Piedras Negras?

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

5.5
Sightseeing
7th-best month of the year
7.5
Beach & pool
2nd-best month of the year

April is a reasonable time to visit Piedras Negras for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Piedras Negras in April

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

In April, Piedras Negras sees daytime highs around 30°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Piedras Negras in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Piedras Negras peaks around July 14 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 14UV 11Dec 18UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar7Very high
Apr10Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Piedras Negras in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Piedras Negras is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Feb 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb8Good
Mar9Good
Apr10Good
May16Moderate
Jun16Moderate
Jul18Moderate
Aug13Moderate
Sep12Good
Oct9Good
Nov10Good
Dec11Good
Location & terrain

Where is Piedras Negras?

Piedras Negras sits at 28.7°N, 100.5°W, 223 m above sea level, in Mexico. The nearest listed city is Eagle Pass, 3.0 km away.

Topography around Piedras Negras

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Piedras Negras.

Within 3 km, the terrain around Piedras Negras has only modest variations in elevation — a maximum elevation change of 52 m around an average of 227 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, significant variations in elevation — a maximum elevation change of 586 m.

The land around Piedras Negras is covered by artificial surfaces (60%) within 3 km, shrubs (70%) within 16 km, and shrubs (89%) within 80 km.

3 km
52 m
16 km
110 m
80 km
586 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Eagle Pass 3.0 km · Nava 39 km · Allende 51 km · Ciudad Acuña 81 km · Del Rio 82 km · Uvalde 91 km · Nueva Rosita 109 km · Sabinas 110 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Piedras Negras (28.7001°, -100.5235°, elevation 223 m), 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).