Monterrey Climate by Month
Monterrey, Nuevo León, Mexico
Very hot summers and mild winters, with most rain from June to October.
Very hot summers and mild winters, with most rain from June to October: that's Monterrey's climate in short. Expect highs of 98°F (37°C) in August and 74°F (23°C) in January, with the coldest nights (January) near 47°F (8°C). It gets 25 in (626 mm) of rain a year, 73% of it from June to October.
- Warmest month
- 98°F(37°C)
- Average high, August
- Coldest nights
- 47°F(8°C)
- Average low, January
- Rain per year
- 25 in(626 mm)
- Wettest: September
- Humidity
- 54%
- Sunniest: June
Best and worst months in Monterrey
Best for weatherDecember and January are the best time for weather in Monterrey: highs near 75°F (24°C) and about 0.6 in (17 mm) of rain a month.
Least pleasantJuly and September are the least pleasant; September is the hottest, with highs of 92°F (34°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in December.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Monterrey weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 74°F(23°C) | 47°F(8°C) | 0.7 in(17 mm) | 56% | 3.0 |
| FebFebruary | 80°F(27°C) | 51°F(11°C) | 0.6 in(16 mm) | 51% | 3.8 |
| MarMarch | 85°F(29°C) | 56°F(13°C) | 0.9 in(23 mm) | 51% | 4.4 |
| AprApril | 90°F(32°C) | 62°F(17°C) | 1.2 in(31 mm) | 48% | 4.9 |
| MayMay | 94°F(35°C) | 68°F(20°C) | 1.7 in(43 mm) | 52% | 5.4 |
| JunJune | 97°F(36°C) | 72°F(22°C) | 2.6 in(66 mm) | 55% | 5.7 |
| JulJuly | 98°F(36°C) | 72°F(22°C) | 3.1 in(79 mm) | 54% | 5.6 |
| AugAugust | 98°F(37°C) | 72°F(22°C) | 2.6 in(65 mm) | 54% | 5.5 |
| SepSeptember | 92°F(34°C) | 69°F(20°C) | 7.2 in(183 mm) | 59% | 4.5 |
| OctOctober | 88°F(31°C) | 62°F(17°C) | 2.4 in(61 mm) | 57% | 4.1 |
| NovNovember | 81°F(27°C) | 54°F(12°C) | 1.0 in(26 mm) | 56% | 3.3 |
| DecDecemberBest | 75°F(24°C) | 48°F(9°C) | 0.6 in(16 mm) | 54% | 2.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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