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Weather in Monterrey

Live weather and 7-day forecast for Monterrey, Mexico, followed by what to expect in each month of the year.

Sunrise 06:44 Sunset 18:09 Daylight 11h 24m Sun times →

Climate in Monterrey: month by month

Averaged over 2023–2025, the warmest month in Monterrey is August, with highs around 35 °C (96 °F) and lows around 23 °C (74 °F); the coolest is January, with highs around 20 °C (69 °F) and lows around 9 °C (48 °F).

Monterrey gets about 587 mm (23 in) of precipitation a year. The wettest month is October (90 mm over about 9 days) and the driest is January (10 mm).

MonthAvg highAvg lowPrecipitation (mm)Wet daysDaylight
January20°9°10410h 42m
February25°11°19311h 18m
March29°14°56511h 59m
April31°17°24712h 46m
May33°21°701113h 24m
June34°23°88813h 44m
July34°22°41713h 36m
August35°23°27513h 3m
September32°22°861212h 19m
October28°18°90911h 34m
November25°14°49610h 54m
December22°11°27610h 33m

Averages of daily values from the ERA5 reanalysis for 2023–2025 at Monterrey's coordinates (model elevation 543 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.

Weather questions for Monterrey

What is the hottest month in Monterrey?

August, with average highs of 35 °C (96 °F) and lows of 23 °C (74 °F) over 2023–2025. The coolest month is January, averaging 20 °C (69 °F) by day and 9 °C (48 °F) at night.

What is the rainiest month in Monterrey?

October, with about 90 mm of precipitation on roughly 9 days. The driest month is January (10 mm), and the yearly total is around 587 mm.

When is the weather mildest in Monterrey?

Going by the averages, November–February are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. October is the month most likely to bring rain.

More about Monterrey

Weather in nearby cities

More for Monterrey

More for Monterrey: local time, sunrise and sunset, moon phases, and the exact time zone.

About this forecast

The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Monterrey local time (America/Monterrey).