Climate averages 1991–2020
Piedras Negras weather
in April.
A hot, moderately wet month: the 6th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Piedras Negras: daytime highs average 29.9°C and nights cool to about 17.8°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 48 mm of rain on roughly 6 days, which makes April a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 50 min on an average April day.
The nearest other city in this atlas is Ciudad Acuña (81 km away). In April its highs average 29.1°C, 0.8°C cooler than Piedras Negras, with 42 mm of rain.
Among the 153 cities listed in Mexico, Piedras Negras ranks joint 61st of 153 for the warmest April highs and 133rd of 153 for the driest April (rainfall, lowest first). The mean April high of those 153 cities is 28.7°C; Piedras Negras is 1.2°C warmer than that mean.
From April to May, average highs rise by 3.0°C to 32.9°C, and monthly rainfall rises from 48 mm to 74 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Piedras Negras climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.0°C7.9°C | 7.9°C | 25 | 4.3 | 10.511 h |
| February | 21.9°C10.2°C | 10.2°C | 27 | 4.5 | 11.211 h |
| March | 25.7°C13.9°C | 13.9°C | 43 | 5.6 | 12.012 h |
| April, selected | 29.9°C17.8°C | 17.8°C | 48 | 6.1 | 12.813 h |
| May | 32.9°C21.8°C | 21.8°C | 74 | 8.3 | 13.614 h |
| June | 35.9°C25.0°C | 25.0°C | 46 | 6.1 | 13.914 h |
| July | 36.6°C25.8°C | 25.8°C | 50 | 5.9 | 13.814 h |
| August | 36.8°C26.4°C | 26.4°C | 46 | 4.6 | 13.213 h |
| September | 32.8°C23.2°C | 23.2°C | 79 | 8.3 | 12.412 h |
| October | 28.7°C18.5°C | 18.5°C | 60 | 6.5 | 11.511 h |
| November | 22.9°C12.9°C | 12.9°C | 36 | 4.8 | 10.711 h |
| December | 19.1°C8.5°C | 8.5°C | 27 | 4.5 | 10.410 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Ciudad Acuña in AprilMexico · 81 kmHigh 29.1°C · Low 17.0°C · 42 mm rain
- Nuevo Laredo in AprilMexico · 168 kmHigh 31.2°C · Low 19.1°C · 43 mm rain
- San Antonio in AprilUnited States · 213 kmHigh 26.6°C · Low 15.7°C · 78 mm rain
- Monclova in AprilMexico · 218 kmHigh 30.7°C · Low 17.5°C · 19 mm rain
- New Braunfels in AprilUnited States · 258 kmHigh 26.1°C · Low 15.4°C · 79 mm rain
- San Angelo in AprilUnited States · 307 kmHigh 26.4°C · Low 13.5°C · 53 mm rain
- Austin in AprilUnited States · 321 kmHigh 25.8°C · Low 15.0°C · 83 mm rain
- Corpus Christi in AprilUnited States · 322 kmHigh 26.5°C · Low 18.8°C · 52 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Piedras Negras) is explained once on the Piedras Negras year overview and on the Sources, method and limits page.