Climate averages 1991–2020
Reynosa weather
in December.
A warm, fairly dry month: the 11th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Reynosa: daytime highs average 22.7°C and nights cool to about 13.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 30 mm of rain on roughly 5 days, which makes December a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 32 min on an average December day.
The nearest other city in this atlas is McAllen (15 km away). In December its highs average 22.5°C, about as warm as Reynosa, with 30 mm of rain.
Among the 153 cities listed in Mexico, Reynosa ranks 72nd of 153 for the warmest December highs and 124th of 153 for the driest December (rainfall, lowest first). The mean December high of those 153 cities is 22.7°C; Reynosa is level with that mean.
From December to January, average highs fall by 0.7°C to 22.0°C, and monthly rainfall falls from 30 mm to 26 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- McAllen in DecemberUnited States · 15 kmHigh 22.5°C · Low 13.0°C · 30 mm rain
- Mission in DecemberUnited States · 16 kmHigh 22.5°C · Low 12.9°C · 30 mm rain
- Ciudad Río Bravo in DecemberMexico · 22 kmHigh 22.6°C · Low 13.4°C · 31 mm rain
- Edinburg in DecemberUnited States · 27 kmHigh 22.5°C · Low 13.0°C · 30 mm rain
- Heroica Matamoros in DecemberMexico · 81 kmHigh 22.0°C · Low 14.8°C · 34 mm rain
- Ciudad Benito Juárez in DecemberMexico · 187 kmHigh 20.2°C · Low 10.2°C · 24 mm rain
- Linares in DecemberMexico · 187 kmHigh 21.2°C · Low 10.3°C · 25 mm rain
- Ciudad Apodaca in DecemberMexico · 193 kmHigh 20.2°C · Low 10.2°C · 32 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.