Climate guide for Monterrey, Mexico

Monterrey in December

Weather, crowds & best time to visit

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December · Mexico

Best time to visit Monterrey in December Weather, crowds & prices

Weather in Monterrey in December

Average temperature 13°C, 8 mm of rain, about 11 days with 6+ hours of sunshine and 62% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

8.5/10

Ranked #10 of 12 months

Full year for Monterrey
Avg temp
13°C
Rainfall
8 mm
Humidity
62%
Days with 6h+ sun
11
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

December in Monterrey scores 8.5/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 13°C, 8 mm of rain, and roughly 11 days with 6+ hours of sunshine this month.

Monterrey is Mexico’s northern industrial capital framed by Cerro de la Silla-mountain parks and a modern business core. Best window: cooler months from late autumn through early spring.

December ranks 10th of 12 for Monterrey — one of the best windows

Temperatures hover around 13°C (55°F) — the kind of month where neither heat nor cold forces the schedule.

At just 8 mm for the month, rain will not shape your plans; you get about 11 days with 6+ hours of sunshine and 10.4 hours of daylight.

On our climate-comfort scale this is one of the strongest months of the year for Monterrey at 8.5/10 (10th of 12), just behind March at 9.9/10.

Pack layers you can shed by midday plus one warm layer for the evening.

Budget for mid-season pricing, and crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Monterrey in December?
In December, Monterrey averages 13°C, 8 mm of rain, and about 11 days with 6+ hours of sunshine. Its climate-comfort score is 8.5/10.
Is December a good time to visit Monterrey?
December earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Monterrey in December?
Expect about 8 mm of rain in December. Average humidity is 62% and there are about 11 days with 6+ hours of sunshine.

Curated in Monterrey

Tickets & experiences

Things to do in Monterrey

Monterrey, Mexico. Live activities and tours from GetYourGuide, matched to this destination.