Choosing when to visit Oaxaca, Mexico is one of the most important travel decisions you'll make. This guide compares all 12 months by average temperature, rainfall, sunshine hours, humidity and tourist crowds so you can match the trip to your priorities. We highlight the peak season, the shoulder season, and the best value months for Oaxaca, plus call out months travellers usually want to avoid because of heat, monsoon rain or extreme cold. Whether you want sunshine, fewer crowds, festivals, photography light, or comfortable walking weather, the page tells you which month delivers it in Oaxaca. We base recommendations on long-term climate data combined with current-season forecasts, so the advice reflects how Oaxaca actually feels — not just averages. Use this page alongside our 7-day "best day to visit" forecast for Oaxaca once you've chosen the month.
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