Climate Insights for Monterrey

The climate in Monterrey is temperate. The average annual temperature is 13°C and approximately 332mm of precipitation falls per year. November is the wettest month, receiving around 33mm of rainfall. Monterrey sits near the equator, so seasonal temperature differences are minimal throughout the year. Light snow can occur between January and February.

Monterrey sees moderate temperature variation throughout the year, ranging from -1°C to 17°C. May is the warmest month, though highs remain moderate at 17°C with a mean of 16°C. The coldest month is February, when overnight lows fall to -1°C and the daily average is 5°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between February and March, with a 5°C shift in average temperatures.

Monterrey is a quite dry location, receiving approximately 332mm of precipitation annually, which averages out to around 28mm per month. The wettest month is January, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is February, with just 5mm. That's 28mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and February, totalling around 11cm annually. January is the snowiest month with approximately 7cm.

Monterrey is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 4km/h in winter, 8km/h in spring, 8km/h in summer, 11km/h in autumn.

It is currently summer in Monterrey, which began on June 21, 2026. Monterrey sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in May at around 17°C, while the coldest stretch bottoms out in February near -1°C. Autumn is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Monterrey is during May, June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 33mm per month. By contrast, February can be quite cold with temperatures dropping to -1°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Monterrey based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.