Monthly climate guide
Guanajuato weather in December
Expect warm weather in Guanajuato in December: afternoons reach about 22°C (72°F), while nights drop to around 7°C (45°F). Around 7 mm of rain falls over the month (very dry), and skies are a mix of sun and cloud. Daytime highs are about the same as November and about the same as January.
What stands out in December
- Evenings cool off sharply: the daily range is around 15°C, so pack a layer.
- Only one month is cooler in Guanajuato than December.
- It's one of the drier stretches of the year in Guanajuato.
- Rain is well below Guanajuato's usual level (around 87% less).
Avg high
22°C
72°F
Avg low
7°C
45°F
Rainfall
7 mm
very dry
Humidity
62%
relative
Sky
39%
cloud · a mix of sun and cloud
Guanajuato weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 21°C / 71°F | 6°C / 42°F | 6 mm | 57% | 38% |
| February | 24°C / 76°F | 8°C / 46°F | 12 mm | 52% | 32% |
| March | 27°C / 80°F | 9°C / 48°F | 16 mm | 46% | 32% |
| April | 30°C / 85°F | 12°C / 53°F | 6 mm | 37% | 36% |
| May | 30°C / 87°F | 14°C / 57°F | 35 mm | 44% | 39% |
| June | 28°C / 83°F | 14°C / 58°F | 118 mm | 60% | 56% |
| July | 26°C / 80°F | 14°C / 56°F | 148 mm | 69% | 63% |
| August | 27°C / 80°F | 13°C / 56°F | 125 mm | 70% | 55% |
| September | 26°C / 78°F | 13°C / 55°F | 106 mm | 73% | 59% |
| October | 25°C / 77°F | 11°C / 51°F | 40 mm | 68% | 41% |
| November | 23°C / 74°F | 9°C / 47°F | 17 mm | 67% | 39% |
| December | 22°C / 72°F | 7°C / 45°F | 7 mm | 62% | 39% |
What to pack for December
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- Sunglasses
Is December a good time to visit Guanajuato?
Compare the months in the chart above to find your ideal window.
Best time to visit Guanajuato →Other Mexico cities in December
Cite or embed this data
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Guanajuato weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/mexico/guanajuato/december
<a href="https://weathercompare.eu/weather/mexico/guanajuato/december">Guanajuato weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/mexico/guanajuato" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Guanajuato weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/mexico/guanajuato/december">Guanajuato weather in December</a> – WeatherCompare</p>
Guanajuato in December: quick answers
Is December a good time to visit Guanajuato?
December is a reasonable time for Guanajuato: highs around 22°C and about 7 mm of rain, though not one of the three best months.
How warm is Guanajuato in December?
Average highs are about 22°C (72°F) and average lows about 7°C (45°F), based on 10 years of daily data.
Does it rain a lot in Guanajuato in December?
Guanajuato typically gets around 7 mm of rain in December — very dry.
Figures are long-term averages for the area around Guanajuato (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.