Weather in Monterrey in August 2025
- August is usually the hottest month of the year in Monterrey;
- August is usually the driest month of the year in Monterrey
Average weather
Average temperature in Monterrey in August
The temperature in August is +99°F on average, with a range between a maximum of +102°F during the day and a minimum of +68°F at night.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +97°F to +97°F.
Is Monterrey warm or cold in August?
Monterrey is typically hot in August.
Maximum temperatures go up compared to the previous month from +93°F to +93°F. The minimum temperature also goes up from +72°F to +72°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
August is the hottest month in Monterrey, here is the comparison with other months:
Climate in Monterrey in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +93°F | +93°F | +88°F | ||||
| Min. temperature | ||||||
| +63°F | +63°F | +48°F | ||||
| Max. temperature | ||||||
| +108°F | +106°F | +104°F | ||||
| Rainfall | ||||||
| 33 mm | 31 mm | 150 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 64% | 63% | 71% | ||||
| Air pressure | ||||||
| 1013 HPa | 1012 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 10 | 10 | 7 | ||||
| Cloudy days | ||||||
| 9 | 10 | 7 | ||||
| Rainy days | ||||||
| 11 | 11 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. The temperature levels stay the same in the area of +93°F for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 33 mm to 31 mm. It feels drier, as humidity decreases from 64% to 63%. The average wind speed doesn’t change much during August, staying around 1 m/s. The amount of sunny days stay about the same, averaging 10 sunny days during the month.
September brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Monterrey is gradually decreasing during August, going from 2 m/s to 1 m/s over the course of the month.
Rain
How was the weather last August in Monterrey?
Climate Change Over the Years
The climate in Monterrey in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1987 (+78°F) and the highest in 2011 (+87°F). The driest year was 2011 with only 164 mm of rainfall, and the wettest year was 2023 with 3006 mm.
FAQ
Is August a good time to visit Monterrey?
Can you sunbathe in Monterrey in August?
Is Monterrey rainy in August?
Is it sunny in Monterrey in August?
Other cities in Mexico
Monthly weather in Monterrey
Source of the data
For this page, we’ve looked at the typical weather in Monterrey, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
