Peak in May
Coolest in December
Heavy in July
Peak in dry season
San Miguel de Allende Monthly Weather Guide
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May
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October
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Essential Travel Info for San Miguel de Allende
Currency
MXN
$ Mexican peso
Language
Spanish
Driving
Right side
Connect
Additionally restaurants and cafés now o...
Safety
Travel Precautions
GPI: 2.612
Best Time to Visit San Miguel de Allende
Location, climate overview & historical trends
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📍 20.9144° N, 100.7452° W
Open in Google MapsSan Miguel de Allende is a prominent destination in Mexico.
Located at 20.91°N latitude,San Miguel de Allende experiences a tropical climate with warm temperatures year-round.
Based on 30 years of data, May is the warmest month (avg. 29°C), while December is the coolest. July sees the most rain (36% chance), making March the driest month.
Historical Climate Trend
30-Year Analysis+0.54°C
Total over 30 years
+0.18°C
Per decade
Linear regression analysis of historical maximum temperatures for San Miguel de Allende, based on 1995-2024 satellite data from NASA POWER.
Best Time to Visit
NASA POWER Data (1991-2021)January, February, March
Best months to visit
25°C
Avg High
Based on 30 years of NASA satellite data,San Miguel de Allende receives approximately 360mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.
Climate Trends
EXCLUSIVE1995-2040 Temperature Trend
1995 Avg
25.1°
2024 Avg
25.7°
2040 Proj
26.3°
+0.18°C
per decade (observed)
+0.37°C
per decade (CMIP6)
🌡️ San Miguel de Allende has warmed by +0.5°C since 1995. By 2040, an additional +0.6°C is projected (based on CMIP6 rate of 0.366°C/decade), for a total of +1.1°C from 1995 baseline.
NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)
Travel Intelligence
Exclusive flight analytics & health data for San Miguel de Allende
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Flight Connectivity Analysis
Airport traffic data & seasonal patterns
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Peak
Jun
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Jul
Monthly Traffic Distribution
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Health & Safety Advisory
CDC travel health recommendations
COVID-19
All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.
Chikungunya
There iselevated chikungunya riskin Mexico.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).
Hepatitis A
Recommended for unvaccinated travelers one year old or older going to Mexico.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.
Hepatitis B
Recommended for unvaccinated travelers younger than 60 years old traveling to Mexico. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Mexico.
Malaria
CDC recommends that travelers going to certain areas of Mexico take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasCampeche, Chiapas, and the southern part of Chihuahua stateRare in the states of Oaxaca, Sinaloa, Sonora, and TabascoNo malaria transmission along the U.S.–Mexico borderDrug resistanceNoneSpeciesP. vivax(100%)Recommended chemoprophylaxisCampeche, Chiapas, and the southern part of Chihuahua state: Atovaquone-proguanil, chloroquine, doxycycline, mefloquine, primaquine5, tafenoquine2All other areas with malaria transmission: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes
Measles
Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.
+3 more
Source: CDC Travelers' Health
View Complete Health GuideSan Miguel de Allende Climate Data by Month
Historical temperature and precipitation averages
| Month | Avg High (°C) | Rain Probability (%) | Status |
|---|---|---|---|
| January | 22°C | 3% | ✨ Perfect |
| February | 24°C | 4% | ✨ Perfect |
| March | 27°C | 3% | ✨ Perfect |
| April | 29°C | 5% | 😊 Pleasant |
| May | 29°C | 13% | 😊 Pleasant |
| June | 27°C | 30% | 😊 Pleasant |
| July | 25°C | 36% | Neutral |
| August | 25°C | 31% | 😊 Pleasant |
| September | 24°C | 33% | 😊 Pleasant |
| October | 24°C | 12% | ✨ Perfect |
| November | 24°C | 4% | ✨ Perfect |
| December | 22°C | 4% | ✨ Perfect |
Weather in Cities Near San Miguel de Allende
Explore climate data for popular destinations within easy reach
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Oaxaca
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Cabo San Lucas
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Compare weather conditions with nearby destinations for your trip planning
Compare San Miguel de Allende Weather vs Popular Destinations
San Miguel de Allende Weather FAQ
When is the best time to visit San Miguel de Allende?
Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, January, February, March are usually great choices.
When is the hottest month in San Miguel de Allende?
May is historically the hottest month in San Miguel de Allende with average highs of 29°C.
When does it rain the most in San Miguel de Allende?
July typically sees the highest probability of rain (36%).
Is San Miguel de Allende expensive?
Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.