December weather forecastOaxaca, Mexico
December
Weather in December
In December, Oaxaca rounds off the year with a continuation of the cooling trend, offering comfortable day temperatures and cool nights. Rainfall keeps on declining, barely leaving the city with only 5mm (0.2") of rainfall. The decrease in precipitation aligns with increased sunlight during the day, providing more significant amounts of sunshine. The latter part of December possesses the lowest humidity levels of the year, making weather conditions ideal for outdoor festivities. Stable wind patterns and higher pressure levels confer a calm atmosphere, perfect for year-end celebrations.Temperature
Oaxaca experiences an average high-temperature of a still pleasant 20.8°C (69.4°F) with the onset of December, subtly varied from November's 20.6°C (69.1°F). A dramatic downturn marks the December nights in Oaxaca, with lows averaging at a frosty 8.7°C (47.7°F).Humidity
In December, the average relative humidity in Oaxaca is 75%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.5 days and typically collects 5mm (0.2") of precipitation.Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:40 am and sunset at 5:51 pm. On the last day of December, sunrise is at 6:56 am and sunset at 6:04 pm CST.
Sunshine
In Oaxaca, the average sunshine in December is 8.1h.UV index
January, October through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 4 in December leads to these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oaxaca, Mexico
- Average high temperature in December: 20.8°C
The warmest month (with the highest average high temperature) is April (26.8°C).
The month with the lowest average high temperature is November (20.6°C).
- Average low temperature in December: 8.7°C
The month with the highest average low temperature is June (13.3°C).
The coldest month (with the lowest average low temperature) is January (7.8°C).
Average pressure in December
Oaxaca, Mexico
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is May (1012.9mbar).
Average wind speed in December
Oaxaca, Mexico
- Average wind speed in December: 6.5km/h
The windiest month (with the highest average wind speed) is November (7.3km/h).
The calmest months (with the lowest average wind speed) are May and June (5.3km/h).
Average humidity in December
Oaxaca, Mexico
- Average humidity in December: 75%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (62%).
Average rainfall in December
Oaxaca, Mexico
- Average rainfall in December: 5mm
The wettest month (with the highest rainfall) is June (203mm).
The driest month (with the least rainfall) is December (5mm).
Average rainfall days in December
Oaxaca, Mexico
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is September (28.8 days).
The month with the least rainy days is February (7 days).
Average daylight in December /
Average sunshine in December
Oaxaca, Mexico
- Average daylight in December: 11h and 6min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 8h and 6min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in December
Oaxaca, Mexico
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is September (0.4 days).
Average UV index in December
Oaxaca, Mexico
- Average UV index in December: 4
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, October, November and December (UV index 4).
Average cloud cover in December
Oaxaca, Mexico
- Average cloud cover in December: 28
The month with the most cloud cover is September (Cloud cover 54).
The month with the least cloud cover is March (Cloud cover 21).
Average visibility in December
Oaxaca, Mexico
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April and May (9km).
The months with the lowest visibility are July, August, September, October and November (7km).








