Monterrey Weather in March

In March, Monterrey averages a high of 28°C (83°F) and a low of 14°C (56°F), from 46 years of daily records (1971–2025).

28°C

Average high

83°F

14°C

Average low

56°F

43°C

Record high

109°F · March 6, 1991

0°C

Record low

32°F · March 1, 2003

What March Is Like in Monterrey

March in Monterrey has become 1.8°C (3.3°F) warmer on average: the 2011–2025 average against 1970–1989.
6 of the 10 warmest Marches on record in Monterrey have come since 2011.
March 2025 was the 4th warmest March in 46 years of records, 3.0°C (5.4°F) above the long-run average.
The March heat record, 43°C (109°F) on March 6, 1991, has stood for 34 years.

At least 1 mm of rain falls on 8% of March days, and the month averages 16 mm in total.

Average daytime high in Monterrey, every March since 1971

Warmest: 2000 (33.6°C)Latest: 2025 (32.4°C)10-year averageLong-run average (28.2°C)

See the weather in Monterrey on any March date, year by year.

Source: NOAA GHCN-Daily, Topo Chico (1971–2005); Monterrey (City) (1982–2025). Averages cover 1971–2025. How we compute this