Climate averages 1991–2020
Reynosa weather
in May.
A hot, moderately wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Reynosa: daytime highs average 33.2°C and nights cool to about 23.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 49 mm of rain on roughly 7 days, which makes May a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 24 min on an average May day.
The nearest other city in this atlas is McAllen (15 km away). In May its highs average 33.0°C, about as warm as Reynosa, with 55 mm of rain.
Among the 153 cities listed in Mexico, Reynosa ranks joint 27th of 153 for the warmest May highs and 86th of 153 for the driest May (rainfall, lowest first). The mean May high of those 153 cities is 29.6°C; Reynosa is 3.6°C warmer than that mean.
From May to June, average highs rise by 1.9°C to 35.2°C, and monthly rainfall rises from 49 mm to 52 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
Reynosa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.0°C12.2°C | 12.2°C | 26 | 4.4 | 10.711 h |
| February | 24.7°C14.2°C | 14.2°C | 24 | 4.3 | 11.311 h |
| March | 27.6°C17.0°C | 17.0°C | 36 | 5.5 | 12.012 h |
| April | 30.8°C20.0°C | 20.0°C | 45 | 5.6 | 12.813 h |
| May, selected | 33.2°C23.2°C | 23.2°C | 49 | 6.6 | 13.413 h |
| June | 35.2°C25.2°C | 25.2°C | 52 | 6.8 | 13.714 h |
| July | 35.8°C25.5°C | 25.5°C | 54 | 6.1 | 13.614 h |
| August | 36.1°C25.8°C | 25.8°C | 39 | 6.7 | 13.113 h |
| September | 32.7°C23.9°C | 23.9°C | 89 | 12.2 | 12.312 h |
| October | 30.2°C20.6°C | 20.6°C | 60 | 7.0 | 11.612 h |
| November | 25.8°C16.3°C | 16.3°C | 36 | 5.3 | 10.911 h |
| December | 22.7°C13.1°C | 13.1°C | 30 | 4.9 | 10.511 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
- McAllen in MayUnited States · 15 kmHigh 33.0°C · Low 23.1°C · 55 mm rain
- Mission in MayUnited States · 16 kmHigh 33.2°C · Low 23.0°C · 55 mm rain
- Ciudad Río Bravo in MayMexico · 22 kmHigh 32.7°C · Low 23.2°C · 47 mm rain
- Edinburg in MayUnited States · 27 kmHigh 33.0°C · Low 23.1°C · 55 mm rain
- Heroica Matamoros in MayMexico · 81 kmHigh 30.1°C · Low 23.6°C · 45 mm rain
- Ciudad Benito Juárez in MayMexico · 187 kmHigh 30.6°C · Low 19.7°C · 51 mm rain
- Linares in MayMexico · 187 kmHigh 31.7°C · Low 20.2°C · 65 mm rain
- Ciudad Apodaca in MayMexico · 193 kmHigh 31.4°C · Low 20.1°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 Reynosa) is explained once on the Reynosa year overview and on the Sources, method and limits page.