Climate averages 1991–2020
Oaxaca weather
in December.
A warm, very dry month: the 9th warmest and the 2nd 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 Oaxaca: daytime highs average 24.1°C and nights cool to about 11.7°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 3.5 mm of rain on fewer than one day, which makes December a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 08 min on an average December day.
The nearest other city in this atlas is Tuxtepec (131 km away). In December its highs average 25.8°C, 1.7°C warmer than Oaxaca, with 87 mm of rain.
Among the 153 cities listed in Mexico, Oaxaca ranks joint 47th of 153 for the warmest December highs and 4th of 153 for the driest December (rainfall, lowest first). The mean December high of those 153 cities is 22.7°C; Oaxaca is 1.4°C warmer than that mean.
From December to January, average highs rise by 0.2°C to 24.3°C, and monthly rainfall falls from 3.5 mm to 3.0 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
Oaxaca climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.3°C11.3°C | 11.3°C | 3.0 | 0.6 | 11.211 h |
| February | 26.4°C12.1°C | 12.1°C | 4.6 | 1.1 | 11.612 h |
| March | 28.2°C13.3°C | 13.3°C | 16 | 2.9 | 12.012 h |
| April | 29.5°C14.9°C | 14.9°C | 29 | 4.9 | 12.513 h |
| May | 28.3°C15.9°C | 15.9°C | 73 | 9.3 | 12.913 h |
| June | 25.4°C16.0°C | 16.0°C | 163 | 17.0 | 13.113 h |
| July | 24.7°C15.3°C | 15.3°C | 104 | 13.9 | 13.013 h |
| August | 24.9°C15.6°C | 15.6°C | 125 | 15.1 | 12.713 h |
| September | 24.0°C15.7°C | 15.7°C | 160 | 17.1 | 12.212 h |
| October | 23.8°C14.6°C | 14.6°C | 71 | 8.7 | 11.812 h |
| November | 23.8°C12.8°C | 12.8°C | 9.8 | 2.0 | 11.311 h |
| December, selected | 24.1°C11.7°C | 11.7°C | 3.5 | 0.7 | 11.111 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
- Tuxtepec in DecemberMexico · 131 kmHigh 25.8°C · Low 19.2°C · 87 mm rain
- Tehuacán in DecemberMexico · 172 kmHigh 22.2°C · Low 10.2°C · 5.5 mm rain
- Salina Cruz in DecemberMexico · 191 kmHigh 29.0°C · Low 22.0°C · 3.8 mm rain
- Heroica Ciudad de Juchitán de Zaragoza in DecemberMexico · 194 kmHigh 28.6°C · Low 21.3°C · 3.7 mm rain
- Orizaba in DecemberMexico · 203 kmHigh 20.7°C · Low 11.0°C · 93 mm rain
- Córdoba, Mexico in DecemberMexico · 204 kmHigh 20.9°C · Low 12.2°C · 101 mm rain
- Veracruz in DecemberMexico · 244 kmHigh 26.3°C · Low 19.2°C · 21 mm rain
- Minatitlán in DecemberMexico · 253 kmHigh 25.6°C · Low 20.1°C · 73 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 Oaxaca) is explained once on the Oaxaca year overview and on the Sources, method and limits page.