Weather in Monterrey in January

Prime time. January is about as good as Monterrey gets. Highs average 26.3 °C, lows 11.4 °C, and rain falls on 4 days — nothing in the month is working against you.

January is the highest-scoring month of the twelve. The nearest rival is December, and the month at the other end of the year is July.

Rain falls on only 4 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: 7 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest January day reached 36.6 °C and the coldest night fell to 1.2 °C, and the wettest single day dropped 41 mm — roughly 241% of the month's rain in one day.

January is moderately variable: 3 mm in the driest year against 55 mm in the wettest, around an average of 17 mm. Roughly two Januarys in three land near that average, and the third does something else entirely.

Wind is light at 7.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 57%.

How January sits in the year

This is a turning point in the year — December and February sit on opposite sides of it, so the month contains the change rather than following it.

Daylight in January

January sits at the dark end of Monterrey's year — 10.7 hours of daylight against 13.7 at midsummer, gaining 0.4 hours across the month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.

An inland climate

With no coast nearby, the year swings a fair way — 25.7 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage. Within January itself the daily swing is 14.9 °C, so mornings and afternoons need different clothes.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

January in Monterrey versus nearby

If Monterrey is one option among several, the nearby comparison is worth making. Laredo is close enough to be a coin toss — 5.7 °C cooler, the same number of rain days. Brownsville is close enough to be a coin toss — 4 °C cooler, 1 day more rain.

So: January is the answer for Monterrey. If it is booked out or priced out, December is the next best thing at 0 points behind, and July is the month to keep off the shortlist.

Every month in Monterrey

See all twelve months in Monterrey, or where else to go in January.