Climate Insights for Tehuacán

The climate in Tehuacán is temperate. The average annual temperature is 18°C and approximately 743mm of precipitation falls per year. June is the wettest month, receiving around 170mm of rainfall. Tehuacán is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are January, December, February, when temperatures can drop to 9°C.

Tehuacán sees moderate temperature variation throughout the year, ranging from 9°C to 27°C. The warmest month is April, when average highs reach 27°C and the mean temperature sits around 19°C. January is the coolest month, with minimum temperatures around 9°C and an average of 15°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs.

Tehuacán is a relatively dry area, receiving approximately 743mm of precipitation annually, which averages out to around 62mm per month. The wettest month is June, averaging 170mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 6mm. That's 164mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Tehuacán is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Tehuacán, which began on September 23, 2026. Tehuacán is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 27°C, while the coldest stretch bottoms out in January near 9°C. Winter is next, beginning on December 21, 2026 (87 days from now).

The best time to visit Tehuacán is during February, March, April, May, July, August, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 51mm per month. By contrast, January can be quite cold with temperatures dropping to 9°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Tehuacán based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.