The most comfortable time to visit Monterrey is from November to December, and again from late February to March. For sun, aim for early October; for walking, go from late November to mid February.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go in early October. It peaks in early October, at 55. That is a short window, about ten days a year. Avoid January for this: it falls to 7, mostly because it is too cool. The clearest skies come in August, when the sky is typically 45% covered at midday (partly cloudy).
The being outside season here runs from November to December, with a second spell from late February to March. It peaks in late November, at 66. The weakest stretch is from June to August, when it drops to 7, mostly because it is too hot.
For walking, go from late November to mid February. It peaks in late January, at 68. Avoid mid May to mid September for this: it falls to 1, mostly because it is too warm.
The year, measured
The average temperature in Monterrey over the whole year is 23°C. August is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 10°C. The rainy (wet) season in Monterrey runs from April to October, peaking in September with a 72% chance of rain on a given day. The dry season is November to March; February is the driest month, at 44%. Winds in Monterrey are highest in June, averaging 3.0 m/s (11 km/h), and lightest in November, at 2.0 m/s (7 km/h). The prevailing wind is from the E. The clearest skies in Monterrey come in August, when the sky is typically 42% covered; May is the cloudiest month, at 58%.
Month by month Monterrey climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 18°C | 10°C | 16°C | 52% | 51% | 2.2 m/s | 53 | 9 | 65 |
| February | 22°C | 13°C | 19°C | 44% | 50% | 2.4 m/s | 57 | 26 | 53 |
| March | 25°C | 16°C | 23°C | 57% | 53% | 2.8 m/s | 60 | 37 | 40 |
| April | 28°C | 19°C | 27°C | 58% | 54% | 2.9 m/s | 47 | 49 | 23 |
| May | 30°C | 22°C | 31°C | 62% | 58% | 2.9 m/s | 23 | 50 | 7 |
| June | 32°C | 24°C | 33°C | 70% | 49% | 3.0 m/s | 10 | 41 | 2 |
| July | 32°C | 24°C | 33°C | 65% | 46% | 3.0 m/s | 8 | 41 | 2 |
| August | 33°C | 24°C | 34°C | 66% | 42% | 2.8 m/s | 8 | 38 | 1 |
| September | 30°C | 22°C | 31°C | 72% | 56% | 2.4 m/s | 17 | 49 | 6 |
| October | 26°C | 19°C | 27°C | 61% | 51% | 2.2 m/s | 43 | 50 | 21 |
| November | 22°C | 15°C | 22°C | 52% | 55% | 2.0 m/s | 60 | 31 | 46 |
| December | 20°C | 12°C | 18°C | 52% | 52% | 2.1 m/s | 62 | 17 | 60 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Monterrey weather by season
Year round, Monterrey has days of about 18°C at their warmest in January, its coolest month, and 33°C in August, its warmest; the coolest hours of the day run from 10°C to 24°C through the year, and the average temperature over the year is 23°C around the clock. Rain is most likely around September and least likely around February. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Monterrey weather in winterDecember to February
Winter in Monterrey has typical daily highs of about 20°C and lows of about 12°C, with a 49% chance of rain on a given day.
Monterrey weather in springMarch to May
Spring in Monterrey has typical daily highs of about 27°C and lows of about 19°C, with a 59% chance of rain on a given day.
Monterrey weather in summerJune to August
Summer in Monterrey has typical daily highs of about 32°C and lows of about 24°C, with a 67% chance of rain on a given day.
Monterrey weather in autumnSeptember to November
Autumn in Monterrey has typical daily highs of about 26°C and lows of about 19°C, with a 62% chance of rain on a given day.
When is the rainy season in Monterrey?
The rainy (wet) season in Monterrey runs from April to October, peaking in September with a 72% chance of rain on a given day. The dry season is November to March; February is the driest month, at 44%.
What time of year is Monterrey windiest?
Winds in Monterrey are highest in June, averaging 3.0 m/s (11 km/h), and lightest in November, at 2.0 m/s (7 km/h). The prevailing wind is from the E.
What is the average temperature in Monterrey year round?
The average temperature in Monterrey over the whole year is 23°C. August is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 10°C.
Where to go instead in mid August, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.