Monterrey, Mexico Weather
Monterrey hourly forecast: next 24 hours
Today's high of 99°F (37°C) is about 5°F (3°C) above the typical August high of 94°F (34°C).
Current conditions in detail
Monterrey weather tomorrow (Friday, August 7)
Tomorrow in Monterrey looks sunny, with a high of 95° and an overnight low of 74°. There is a 57% chance of rain - plan accordingly. Winds top out near 16 mph, and the UV index reaches 12 (extreme).
Monterrey 14-day forecast
About the weather in Monterrey
Located in Mexico, Monterrey experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 94°F (34°C) in August and dip to about 67°F (19°C) in January, with around 24.0 inches (610 mm) of precipitation falling across the year.
Monterrey weather: quick facts
- Hottest month: August - highs near 94°F (34°C)
- Coldest month: January - highs near 67°F (19°C)
- Record high: 112°F (44°C) · Record low: 19°F (-7°C) (2015–2024)
- Wettest month: September (11 rainy days) · Sunniest: July (12.1 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on August. Highs average 94°F (34°C) and overnight lows stay near 74°F (23°C). The coolest month is January, with typical highs of 67°F (19°C) and lows around 48°F (9°C). Based on 2015–2024 weather data, temperatures have reached as high as 112°F (44°C) and dropped as low as 19°F (-7°C).
Rain, sun and snow
September is usually the wettest month. It brings about 4.5 inches (114 mm) of rain over 11 days, while February is the driest. July brings the most sunshine, averaging 12.1 hours of sun a day.
Season by season
Spring (March through May)
Spring in Monterrey is hot, with daytime highs averaging 84°F (29°C) and nights around 63°F (17°C); expect showers on roughly 27 days across the season.
Summer (June through August)
Summer in Monterrey brings serious heat, with daytime highs averaging 92°F (34°C) and nights around 73°F (23°C); expect showers on roughly 19 days across the season.
Fall (September through November)
Fall in Monterrey brings comfortable warmth, with daytime highs averaging 80°F (27°C) and nights around 64°F (18°C); expect showers on roughly 26 days across the season.
Winter (December through February)
Winter in Monterrey brings comfortable warmth, with daytime highs averaging 70°F (21°C) and nights around 51°F (10°C); rain falls on about 14 days over the three months.
Average temperatures in Monterrey by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 67° | 48° | 6 | 1.1 in | 8.2 h/day | 65% |
| February | 73° | 52° | 4 | 0.8 in | 9.2 h/day | 62% |
| March | 79° | 58° | 7 | 2.2 in | 9.5 h/day | 63% |
| April | 84° | 63° | 9 | 2.0 in | 10.1 h/day | 65% |
| May | 88° | 69° | 11 | 2.5 in | 10.9 h/day | 71% |
| June | 91° | 71° | 8 | 2.6 in | 12.0 h/day | 67% |
| July | 93° | 73° | 6 | 1.9 in | 12.1 h/day | 62% |
| August | 94° | 74° | 5 | 1.0 in | 12.0 h/day | 59% |
| September | 87° | 71° | 11 | 4.5 in | 10.4 h/day | 70% |
| October | 80° | 64° | 8 | 2.9 in | 9.4 h/day | 71% |
| November | 73° | 57° | 7 | 1.5 in | 8.5 h/day | 73% |
| December | 70° | 52° | 5 | 1.1 in | 8.4 h/day | 67% |