Climate averages 1991–2020
Ciudad Acuña weather
in May.
A hot, moderately wet month: the joint 4th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Ciudad Acuña: daytime highs average 32.3°C and nights cool to about 21.3°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 64 mm of rain on roughly 8 days, which makes May a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 36 min on an average May day.
The nearest other city in this atlas is Piedras Negras (81 km away). In May its highs average 32.9°C, 0.6°C warmer than Ciudad Acuña, with 74 mm of rain.
Among the 153 cities listed in Mexico, Ciudad Acuña ranks joint 38th of 153 for the warmest May highs and 110th of 153 for the driest May (rainfall, lowest first). The mean May high of those 153 cities is 29.6°C; Ciudad Acuña is 2.6°C warmer than that mean.
From May to June, average highs rise by 2.9°C to 35.2°C, and monthly rainfall falls from 64 mm to 38 mm.
The annual picture
May 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
Ciudad Acuña climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.2°C7.1°C | 7.1°C | 22 | 3.5 | 10.510 h |
| February | 21.2°C9.3°C | 9.3°C | 23 | 4.1 | 11.111 h |
| March | 24.9°C13.0°C | 13.0°C | 38 | 5.2 | 12.012 h |
| April | 29.1°C17.0°C | 17.0°C | 42 | 5.0 | 12.913 h |
| May, selected | 32.3°C21.3°C | 21.3°C | 64 | 7.6 | 13.614 h |
| June | 35.2°C24.7°C | 24.7°C | 38 | 6.0 | 14.014 h |
| July | 35.8°C25.6°C | 25.6°C | 41 | 5.4 | 13.814 h |
| August | 36.0°C26.1°C | 26.1°C | 41 | 4.7 | 13.213 h |
| September | 32.3°C22.8°C | 22.8°C | 65 | 7.5 | 12.412 h |
| October | 28.1°C17.9°C | 17.9°C | 55 | 6.0 | 11.511 h |
| November | 22.1°C12.0°C | 12.0°C | 29 | 4.3 | 10.711 h |
| December | 18.3°C7.8°C | 7.8°C | 22 | 3.8 | 10.310 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
May in nearby cities
- Piedras Negras in MayMexico · 81 kmHigh 32.9°C · Low 21.8°C · 74 mm rain
- San Antonio in MayUnited States · 238 kmHigh 29.9°C · Low 19.9°C · 103 mm rain
- San Angelo in MayUnited States · 243 kmHigh 30.0°C · Low 18.2°C · 86 mm rain
- Nuevo Laredo in MayMexico · 249 kmHigh 34.0°C · Low 22.6°C · 63 mm rain
- Monclova in MayMexico · 273 kmHigh 33.0°C · Low 21.0°C · 34 mm rain
- New Braunfels in MayUnited States · 277 kmHigh 29.4°C · Low 19.7°C · 108 mm rain
- Odessa in MayUnited States · 311 kmHigh 30.4°C · Low 17.1°C · 55 mm rain
- Midland in MayUnited States · 316 kmHigh 30.1°C · Low 17.2°C · 57 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 Ciudad Acuña) is explained once on the Ciudad Acuña year overview and on the Sources, method and limits page.