Guanajuato is comfortable to be outside in almost any month: it rates Good or better for about eleven and a half months of the year. For sun, aim for May to early June; for walking, go from mid November to mid March.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go from May to early June. It peaks in late May, at 70. Avoid December to early February for this: it falls to 1, mostly because it is too cool. The clearest skies come in March, when the sky is typically 36% covered at midday (partly cloudy).
For being outside, Guanajuato rates Good or better for 35 of the year’s 36 ten-day sections, about eleven and a half months in all. It is at its best in late November, at 86.
For walking, go from mid November to mid March. It peaks in late December, at 84. Avoid late May for this: it falls to 8, mostly because it is too warm.
The year, measured
The average temperature in Guanajuato over the whole year is 19°C. May is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 8°C. The rainy (wet) season in Guanajuato runs from May to October, peaking in July with a 79% chance of rain on a given day. The dry season is January to April; April is the driest month, at 32%. Winds in Guanajuato are highest in June, averaging 2.5 m/s (9 km/h), and lightest in December, at 1.7 m/s (6 km/h). The prevailing wind is from the S. The clearest skies in Guanajuato come in February, when the sky is typically 35% covered; July is the cloudiest month, at 72%.
Month by month Guanajuato climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 20°C | 8°C | 17°C | 42% | 44% | 1.9 m/s | 77 | 2 | 83 |
| February | 23°C | 10°C | 20°C | 50% | 35% | 2.1 m/s | 82 | 9 | 72 |
| March | 26°C | 12°C | 22°C | 44% | 36% | 2.2 m/s | 84 | 24 | 54 |
| April | 27°C | 14°C | 24°C | 32% | 44% | 2.4 m/s | 79 | 41 | 38 |
| May | 29°C | 17°C | 27°C | 64% | 49% | 2.3 m/s | 60 | 63 | 16 |
| June | 26°C | 17°C | 26°C | 77% | 67% | 2.5 m/s | 67 | 47 | 27 |
| July | 25°C | 16°C | 25°C | 79% | 72% | 2.0 m/s | 79 | 41 | 33 |
| August | 25°C | 16°C | 25°C | 78% | 71% | 2.0 m/s | 79 | 42 | 33 |
| September | 24°C | 15°C | 24°C | 77% | 66% | 1.9 m/s | 81 | 38 | 38 |
| October | 24°C | 14°C | 23°C | 66% | 54% | 2.1 m/s | 84 | 29 | 48 |
| November | 23°C | 11°C | 21°C | 54% | 39% | 1.8 m/s | 84 | 16 | 64 |
| December | 20°C | 9°C | 18°C | 57% | 44% | 1.7 m/s | 80 | 3 | 81 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Guanajuato weather by season
Year round, Guanajuato has days of about 20°C at their warmest in January, its coolest month, and 29°C in May, its warmest; the coolest hours of the day run from 8°C to 17°C through the year, and the average temperature over the year is 19°C around the clock. Rain is most likely around July and least likely around April. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Guanajuato weather in winterDecember to February
Winter in Guanajuato has typical daily highs of about 21°C and lows of about 9°C, with a 49% chance of rain on a given day.
Guanajuato weather in springMarch to May
Spring in Guanajuato has typical daily highs of about 27°C and lows of about 14°C, with a 47% chance of rain on a given day.
Guanajuato weather in summerJune to August
Summer in Guanajuato has typical daily highs of about 25°C and lows of about 17°C, with a 78% chance of rain on a given day.
Guanajuato weather in autumnSeptember to November
Autumn in Guanajuato has typical daily highs of about 24°C and lows of about 13°C, with a 66% chance of rain on a given day.
When is the rainy season in Guanajuato?
The rainy (wet) season in Guanajuato runs from May to October, peaking in July with a 79% chance of rain on a given day. The dry season is January to April; April is the driest month, at 32%.
What time of year is Guanajuato windiest?
Winds in Guanajuato are highest in June, averaging 2.5 m/s (9 km/h), and lightest in December, at 1.7 m/s (6 km/h). The prevailing wind is from the S.
What is the average temperature in Guanajuato year round?
The average temperature in Guanajuato over the whole year is 19°C. May is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 8°C.
Where to go instead in late May, the weakest time here for walking
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.