Guanajuato Climate by Month
Guanajuato, Mexico
Hot days and cool nights all year, with a rainy season from June to September.
Guanajuato has hot days and cool nights all year, with a rainy season from June to September. Afternoon highs range from 73°F (23°C) in January to 86°F (30°C) in May, and January nights average 42°F (5°C). Of the 30 in (761 mm) of rain in a typical year, 81% falls from June to September. April and December are almost completely dry.
- Warmest month
- 86°F(30°C)
- Average high, May
- Coldest nights
- 42°F(5°C)
- Average low, January
- Rain per year
- 30 in(761 mm)
- Wettest: July
- Humidity
- 53%
- Sunniest: April
Best and worst months in Guanajuato
Best for weatherFebruary, November and December are the best time for weather in Guanajuato: highs near 75°F (24°C) and almost no rain.
Least pleasantJune and July are the least pleasant; June is the wettest, with 5.4 in (137 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 November.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Guanajuato weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 73°F(23°C) | 42°F(5°C) | 0.7 in(17 mm) | 50% | 4.3 |
| FebFebruaryBest | 76°F(25°C) | 44°F(7°C) | 0.4 in(10 mm) | 45% | 5.1 |
| MarMarch | 81°F(27°C) | 47°F(9°C) | 0.4 in(11 mm) | 39% | 5.7 |
| AprApril | 85°F(29°C) | 53°F(11°C) | 0.3 in(7 mm) | 38% | 6.0 |
| MayMay | 86°F(30°C) | 56°F(13°C) | 1.5 in(37 mm) | 42% | 6.0 |
| JunJune | 83°F(28°C) | 57°F(14°C) | 5.4 in(137 mm) | 56% | 5.6 |
| JulJuly | 79°F(26°C) | 56°F(13°C) | 6.8 in(172 mm) | 65% | 5.5 |
| AugAugust | 79°F(26°C) | 56°F(13°C) | 6.2 in(158 mm) | 65% | 5.6 |
| SepSeptember | 78°F(26°C) | 55°F(13°C) | 5.8 in(147 mm) | 68% | 4.8 |
| OctOctober | 77°F(25°C) | 51°F(11°C) | 1.9 in(47 mm) | 63% | 4.8 |
| NovNovemberBest | 75°F(24°C) | 46°F(8°C) | 0.5 in(12 mm) | 56% | 4.4 |
| DecDecemberBest | 73°F(23°C) | 43°F(6°C) | 0.2 in(6 mm) | 49% | 4.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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