Monterrey, Mexico Weather
Monterrey hourly forecast: next 24 hours
Today's high of 97°F (36°C) is about 3°F (2°C) above the typical August high of 94°F (34°C).
Current conditions in detail
Monterrey weather tomorrow (Thursday, August 27)
Tomorrow in Monterrey looks sunny, with a high of 95° and an overnight low of 71°. Rain is unlikely (1% chance). Winds top out near 17 mph, and the UV index reaches 12 (extreme).
Monterrey 14-day forecast
About the weather in Monterrey
Expect hot, humid summers and generally mild winters in Monterrey: that is what a humid subtropical climate means in practice. Highs peak at 94°F (34°C) in August and fall to 67°F (19°C) by January, with 10.1 hours of sun on an average day.
Monterrey weather: quick facts
- Hottest month: August - highs near 94°F (34°C)
- Coldest month: January - highs near 67°F (19°C)
- Decade extremes (2015-2024): 112°F (44°C) high · 19°F (-7°C) low
- Wettest month: September (11 rainy days) · Sunniest: July (12.1 h sun/day)
- Climate type: humid subtropical
- Annual swing: 14°C between the average warmest and coolest month · day to night: 10°C
- Months averaging 30°C or hotter: 5
- Average humidity: 66%
Temperatures through the year
July is the brightest month at 12.1 hours of sun a day, against an annual average of 10.1. At its warmest, in August, Monterrey runs to 94°F (34°C) in the afternoon and back to 74°F (23°C) by dawn. January sits at the other end of the year: 67°F (19°C) by day, 48°F (9°C) at night. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 112°F (44°C) and the lowest daily minimum 19°F (-7°C). Days and nights are about 10°C apart on average - wider than roughly 78% of the cities we track.
Rain, sun and snow
Precipitation concentrates in September - 4.5 inches (114 mm) on 11 days - and thins out by February.
Season by season
Spring (March through May)
Through spring, Monterrey runs hot: 84°F (29°C) by day, 63°F (17°C) after dark, and expect showers on roughly 27 days across the season. Daylight is generous - around 10.2 hours of sun a day.
Summer (June through August)
Summer in Monterrey runs at full 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. Daylight is generous - around 12.0 hours of sun a day.
Fall (September through November)
Through fall, Monterrey settles into easy warmth: 80°F (27°C) by day, 64°F (18°C) after dark, and expect showers on roughly 26 days across the season.
Winter (December through February)
Through winter, Monterrey is pleasantly warm: 70°F (21°C) by day, 51°F (10°C) after dark, and rain comes 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% |