Monterrey Weather in December
In December, Monterrey averages a high of 21°C (70°F) and a low of 9°C (48°F), based on 53 years of historical weather data from TOPO CHICO.
21°C
Average high
70°F
9°C
Average low
48°F
45°C
Record high
113°F · 2004
-7°C
Record low
20°F · 1983
What to Expect in Monterrey in December
Typical December days in Monterrey reach 21°C (70°F) during the afternoon and cool to around 9°C (48°F) overnight. On average, measurable rain falls on about 9% of days this month. Over the past 53 years, December temperatures in Monterrey have ranged from a record high of 45°C (2004) down to a record low of -7°C (1983).
For a day-by-day look or other months, see the full Monterrey weather history.