Monterrey weather in December
Monterrey in December averages 16°C (61°F), 24 mm of rain and 5 hours of sun a day.
Of the twelve months in Monterrey, December is the second coldest, the fourth driest and the dullest.

- Average temp
- 16°C (61°F)
10–22°C · 50–72°F
- Rainfall
- 24 mm
Not much rain
- Sunshine
- 5 h
hours per day
What is Monterrey like in December?
Daytime
Days are mild.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Monterrey in December?
A warm mid-layer
Nights drop to around 10°C (50°F).
December compared with November and January
December in Monterrey is 3.1°C cooler than November and about as wet as it, which averages 19°C (67°F).
December in Monterrey is about the same temperature as January and about as wet as it, which averages 16°C (61°F).
Daylight in Monterrey in December
On 15 December the sun is up for 10 hours 33 minutes in Monterrey, rising about 07:20 and setting about 17:53 local time.
No month in Monterrey has less daylight than December.
Where to stay in Monterrey
Dates are a starting point for December.

Travel guides for Monterrey
What to read before you book.
Monterrey weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 16°C / 61°F | 18 mm |
| February | 18°C / 65°F | 16 mm |
| March | 22°C / 71°F | 23 mm |
| April | 25°C / 77°F | 32 mm |
| May | 28°C / 82°F | 46 mm |
| June | 30°C / 85°F | 55 mm |
| July | 30°C / 85°F | 98 mm |
| August | 30°C / 86°F | 81 mm |
| September | 27°C / 81°F | 215 mm |
| October | 24°C / 75°F | 61 mm |
| November | 19°C / 67°F | 28 mm |
| December | 16°C / 61°F | 24 mm |
Similar weather in December
Other destinations whose December averages sit close to this one.
Check another month
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FAQs about Monterrey in December
December climate averages for Monterrey, 1991–2020.
Monterrey averages 16°C (61°F) in December, ranging from about 10°C (50°F) at night to 22°C (72°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. December sees only about 24 mm, so rain is unlikely to affect your plans.
They are about the same. December averages 16°C (61°F) and January 16°C (61°F), so temperature alone will not decide between them.
December is 3.1°C cooler than November, and about as wet.
It is outside the easiest window. The most comfortable stretch here is February to May; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 5 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 10 hours 33 minutes of daylight in mid-December, the least of any month in Monterrey.
On 15 December, sunrise is about 07:20 and sunset about 17:53 local time. Both shift across the month.


