City break

Monterrey weather in December

Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

84

Holiday weather in December

Excellent

Best time to visit: October – April

What is the weather like in Monterrey in December?

In December, Monterrey is mild: daytime highs average 20 °C, and nights cool down to about 10 °C. Expect around 5 hours of sunshine a day. Rain is rare: about 5 days bring 29 mm in total. All in all, December is an excellent month for a holiday in Monterrey.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score838484
Day23°20°19°
Night14°10°9°
Sun5 h5 h5 h
Rain days656

More details for December

Daylight
10 h 33 min07:20 – 17:53
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
11 km/haverage daily peakAll months
Cloud cover
43 %on averageAll months
Hot days
1 day30 °C or moreAll months
Time zone
UTC−6America/Monterrey

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %25 %
  • Few rainy daysweight 30 %95 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in December

  • Sunscreen
  • A jumper for the evenings

Monterrey in December: quick answers

Is Monterrey hot in December?

No. In December, Monterrey is mild: daytime highs average 20 °C and nights drop to about 10 °C.

Does it rain much in Monterrey in December?

Rain is rare: about 5 days bring 29 mm in total.

Monterrey month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences