Climate averages 1991–2020
Piedras Negras weather
in March.
A warm, moderately wet month: the 8th warmest and the 5th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Piedras Negras: daytime highs average 25.7°C and nights cool to about 13.9°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 43 mm of rain on roughly 6 days, which makes March a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 59 min on an average March day.
The nearest other city in this atlas is Ciudad Acuña (81 km away). In March its highs average 24.9°C, 0.7°C cooler than Piedras Negras, with 38 mm of rain.
Among the 153 cities listed in Mexico, Piedras Negras ranks 90th of 153 for the warmest March highs and joint 131st of 153 for the driest March (rainfall, lowest first). The mean March high of those 153 cities is 26.5°C; Piedras Negras is 0.9°C cooler than that mean.
From March to April, average highs rise by 4.2°C to 29.9°C, and monthly rainfall rises from 43 mm to 48 mm.
The annual picture
March 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, selected | 25.7°C13.9°C | 13.9°C | 43 | 5.6 | 12.012 h |
| April | 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
March in nearby cities
- Ciudad Acuña in MarchMexico · 81 kmHigh 24.9°C · Low 13.0°C · 38 mm rain
- Nuevo Laredo in MarchMexico · 168 kmHigh 27.1°C · Low 15.6°C · 44 mm rain
- San Antonio in MarchUnited States · 213 kmHigh 22.8°C · Low 12.1°C · 79 mm rain
- Monclova in MarchMexico · 218 kmHigh 26.6°C · Low 13.7°C · 19 mm rain
- New Braunfels in MarchUnited States · 258 kmHigh 22.2°C · Low 11.8°C · 75 mm rain
- San Angelo in MarchUnited States · 307 kmHigh 21.9°C · Low 9.4°C · 48 mm rain
- Austin in MarchUnited States · 321 kmHigh 21.8°C · Low 11.2°C · 74 mm rain
- Corpus Christi in MarchUnited States · 322 kmHigh 23.4°C · Low 15.5°C · 59 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.