The best times to visit San Miguel de Allende for ideal weather are

February 12th to April 15th

or

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.

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Weather in San Miguel de Allende

Temperature

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)

Key
High
Average
Low

San Miguel de Allende Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

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)

Key
High
Average
Low

San Miguel de Allende Perceived Temperature (C)

Key
High
Average
Low

 

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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 74 57.9 45.1
Feb 78 61.5 47.2
Mar 83 65.3 49.8
Apr 88.6 70.4 54.4
May 90 72.5 57.6
Jun 87.8 70.9 59
Jul 83.2 67.8 58
Aug 84.7 68.7 57.5
Sep 82 67.1 57.5
Oct 81.4 65.1 53.1
Nov 77.5 61.2 48.2
Dec 75.4 58.9 45.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 23.3 14.4 7.3
Feb 25.6 16.4 8.4
Mar 28.3 18.5 9.9
Apr 31.4 21.3 12.4
May 32.2 22.5 14.2
Jun 31 21.6 15
Jul 28.4 19.9 14.4
Aug 29.3 20.4 14.2
Sep 27.8 19.5 14.2
Oct 27.4 18.4 11.7
Nov 25.3 16.2 9
Dec 24.1 14.9 7.6


 

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.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in San Miguel de Allende.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in San Miguel de Allende (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 4% 0 0.4
Feb 7% 0 1.2
Mar 3% 0 0.6
Apr 3% 0 0.5
May 10% 0 1.4
Jun 23% 0 5.5
Jul 33% 0 6.3
Aug 23% 0 4.4
Sep 19% 0 3
Oct 11% 0 1.8
Nov 3% 0 0.3
Dec 2% 0 0.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 4 0 1
Feb 7 0 3
Mar 3 0 1.5
Apr 3 0 1.3
May 10 0 3.6
Jun 23 0 14
Jul 33 0 16
Aug 23 0 11.2
Sep 19 0 7.6
Oct 11 0 4.6
Nov 3 0 0.8
Dec 2 0 0.8

 

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.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

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
Jan 58.1%
Feb 52.8%
Mar 50.9%
Apr 48.9%
May 52.2%
Jun 62.2%
Jul 72.2%
Aug 67.1%
Sep 68.6%
Oct 61%
Nov 58.5%
Dec 59.8%

 

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

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 51.6 in August means 51.6% of the tourists vs. April.



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.

 

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