Climate Overview
The climate in Ahuacatlán is warm and mild. The average annual temperature is 21°C and approximately 997mm of precipitation falls per year. September is the wettest month, receiving around 247mm of rainfall. Ahuacatlán is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, June, April. The coldest months are January, December, February, when temperatures can drop to 10°C.
Temperature
Temperatures in Ahuacatlán vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is May, when average highs reach 33°C and the mean temperature sits around 23°C. January is the coolest month, with minimum temperatures around 10°C and an average of 17°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 2°C shift in average temperatures.
Precipitation
Ahuacatlán is a moderately rainy area, receiving approximately 997mm of precipitation annually, which averages out to around 83mm per month. The wettest month is September, averaging 247mm of rainfall. July and August also tend to see above-average precipitation. The driest month is April, with just 2mm. That's 245mm less than September, 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.
Wind
Ahuacatlán is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
92 days until Autumn
It is currently summer in Ahuacatlán, which began on June 21, 2026. Ahuacatlán 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 May at around 33°C, while the coldest stretch bottoms out in January near 10°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 12 to 33°C. Precipitation is minimal, with only around 25mm for the entire season. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 18 to 32°C. Rainfall is heavy, totalling around 554mm across the season with a monthly average of 185mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 14 to 29°C. Rainfall is heavy, totalling around 365mm across the season with a monthly average of 122mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 10 to 28°C. Rainfall is relatively light, with around 54mm over the season and a monthly average of 18mm. Winds are generally light, averaging 1km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Ahuacatlán is during January, February, March, April, May, June, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 32mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Ahuacatlán 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.
