Santiago, Mexico Climate by Month
Santiago, Nuevo León, Mexico
Very hot summers and mild winters, with most rain from June to October.
Santiago has very hot summers and mild winters, with most rain from June to October. Expect highs of 95°F (35°C) in August and 70°F (21°C) in January, with the coldest nights (January) near 45°F (7°C). Of the 36 in (912 mm) of rain in a typical year, 76% falls from June to October.
- Warmest month
- 95°F(35°C)
- Average high, August
- Coldest nights
- 45°F(7°C)
- Average low, January
- Rain per year
- 36 in(912 mm)
- Wettest: September
- Humidity
- 62%
- Sunniest: June
Best and worst months in Santiago
Best for weatherThe most comfortable weather comes in February and November, with highs around 77°F (25°C) and about 1.1 in (27 mm) of rain a month.
Least pleasantSeptember is the least pleasant month: it's the wettest, with 11 in (271 mm) of rain.
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 February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Santiago weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 70°F(21°C) | 45°F(7°C) | 0.8 in(20 mm) | 62% | 3.1 |
| FebFebruaryBest | 76°F(25°C) | 49°F(9°C) | 0.9 in(22 mm) | 62% | 3.8 |
| MarMarch | 81°F(27°C) | 55°F(13°C) | 1.0 in(26 mm) | 56% | 4.5 |
| AprApril | 87°F(30°C) | 61°F(16°C) | 1.7 in(42 mm) | 56% | 5.0 |
| MayMay | 91°F(33°C) | 67°F(19°C) | 2.2 in(57 mm) | 60% | 5.7 |
| JunJune | 94°F(34°C) | 70°F(21°C) | 3.9 in(100 mm) | 59% | 6.2 |
| JulJuly | 95°F(35°C) | 71°F(22°C) | 4.9 in(125 mm) | 60% | 6.0 |
| AugAugust | 95°F(35°C) | 71°F(22°C) | 4.6 in(118 mm) | 60% | 5.9 |
| SepSeptember | 89°F(32°C) | 67°F(20°C) | 11 in(271 mm) | 66% | 4.7 |
| OctOctober | 84°F(29°C) | 61°F(16°C) | 3.2 in(82 mm) | 66% | 4.2 |
| NovNovemberBest | 77°F(25°C) | 52°F(11°C) | 1.3 in(32 mm) | 67% | 3.3 |
| DecDecember | 71°F(22°C) | 46°F(8°C) | 0.7 in(17 mm) | 66% | 3.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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