The best times to visit San Miguel de Allende for ideal weather are
February 12th to April 15th
October 15th to December 16th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
San Miguel de Allende Travel Guide
Weather in San Miguel de Allende
Average temperatures in San Miguel de Allende vary somewhat. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a low chance of precipitation most of the year. The area is more temperate than most — in the 63rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit San Miguel de Allende, the hottest months are May, June, and then April. See average monthly temperatures below. The warmest time of year is generally early to mid May where highs are regularly around 91.1°F (32.8°C) with temperatures rarely dropping below 58.6°F (14.8°C) at night.
San Miguel de Allende Temperatures (Fahrenheit)
San Miguel de Allende Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
San Miguel de Allende Perceived Temperature (F)
San Miguel de Allende Perceived Temperature (C)
Average San Miguel de Allende Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in San Miguel de Allende are December, November, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid February. For example, on the week of February 19th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early July with an average of 3 days of significant precipitation the week of July 2nd.
When can you find snow in San Miguel de Allende? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
The graph below shows the % chance of rainy and snowy days in San Miguel de Allende.
Snow on the Ground
The graph below shows the average snow on the ground in San Miguel de Allende (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
San Miguel de Allende has some very humid months, with other moderately humid months on the other side of the year. The least humid month is April (48.9% relative humidity), and the most humid month is July (72.2%).
Wind in San Miguel de Allende is usually extremely calm. The windiest month is April, followed by September and August. April’s average wind speed of around 2.9 knots (3.3 MPH or 5.3 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early April where average top sustained speeds reach 8.1 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in San Miguel de Allende.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||2.2||Barely noticeable||6.8||Light breeze|
|Feb||2.3||Barely noticeable||7||Gentle breeze|
|Mar||2.7||Barely noticeable||7.5||Light breeze|
|Apr||2.9||Barely noticeable||7.4||Gentle breeze|
|May||2.7||Barely noticeable||6.9||Light breeze|
|Jun||2.6||Barely noticeable||6.4||Light breeze|
|Jul||2.6||Barely noticeable||6.1||Light breeze|
|Aug||2.7||Barely noticeable||6.1||Light breeze|
|Sep||2.8||Barely noticeable||6||Light breeze|
|Oct||2.7||Barely noticeable||6.2||Light breeze|
|Nov||2.5||Barely noticeable||6.3||Light breeze|
|Dec||2.1||Barely noticeable||6.1||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to San Miguel de Allende?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Dec 13, 2018 there are travel warnings and regional advisories for Mexico; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories
The Busiest and Least Crowded Months
The busiest month for tourism in San Miguel de Allende, Mexico is April, followed by January and December. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit San Miguel de Allende in August. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall San Miguel de Allende Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 91.1°F (32.8°C) and 80.7°F (27.1°C) with warmer temperatures in the later months. Rain is rare with 1 to 3 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 7 to 10 days of precipitation per month. June – August is the slowest season for tourism in San Miguel de Allende, so lodging and other accommodations may cost less than usual.
Fall (September through November)
Fall daily highs range from 83°F (28.3°C) and 76.9°F (24.9°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 6 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is somewhat cool this time of year in San Miguel de Allende to be enjoyable for warm weather travelers. The average high during this season is between 82.8°F (28.2°C) and 71.8°F (22.1°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are the busiest with tourists.