Climate Overview
The climate in Ajuchitlán del Progreso is hot. The average annual temperature is 27°C and approximately 1148mm of precipitation falls per year. September is the wettest month, receiving around 275mm of rainfall. Ajuchitlán del Progreso is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, March. The coldest months are December, January, November, when temperatures can drop to 18°C.
Temperature
Ajuchitlán del Progreso sees moderate temperature variation throughout the year, ranging from 18°C to 37°C. May is the hottest month, with daytime highs reaching 37°C and an average of 31°C. December is the coolest month, with minimum temperatures around 18°C and an average of 25°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 2°C shift in average temperatures.
Precipitation
Ajuchitlán del Progreso is a moderately rainy area, receiving approximately 1148mm of precipitation annually, which averages out to around 96mm per month. The wettest month is September, averaging 275mm of rainfall. August and July also tend to see above-average precipitation. The driest month is April, with just 0mm. That's 275mm 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
Ajuchitlán del Progreso 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 April, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Ajuchitlán del Progreso, which began on March 20, 2026. Ajuchitlán del Progreso 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 37°C, while the coldest stretch bottoms out in December near 18°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 22 to 37°C. Precipitation is minimal, with only around 30mm for the entire season. Winds are generally light, averaging 12km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 22 to 34°C. Rainfall is heavy, totalling around 661mm across the season with a monthly average of 220mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 20 to 32°C. Rainfall is heavy, totalling around 450mm across the season with a monthly average of 150mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 18 to 33°C. Precipitation is minimal, with only around 7mm for the entire season. Winds are generally light, averaging 9km/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 Ajuchitlán del Progreso is during December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 2mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 37°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Ajuchitlán del Progreso 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.
