Climate Overview
The climate in Acopinalco del Peñón is temperate. The average annual temperature is 14°C and approximately 932mm of precipitation falls per year. August is the wettest month, receiving around 177mm of rainfall. Acopinalco del Peñón 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 January, December, February, when temperatures can drop to 5°C.
Temperature
Acopinalco del Peñón sees moderate temperature variation throughout the year, ranging from 5°C to 24°C. May is the warmest month, though highs remain moderate at 24°C with a mean of 17°C. January is the coolest month, with minimum temperatures around 5°C and an average of 11°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs.
Precipitation
Acopinalco del Peñón is a moderately rainy area, receiving approximately 932mm of precipitation annually, which averages out to around 78mm per month. The wettest month is August, averaging 177mm of rainfall. June and September also tend to see above-average precipitation. The driest month is February, with just 12mm. That's 165mm less than August, 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
Acopinalco del Peñón is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
87 days until Winter
It is currently autumn in Acopinalco del Peñón, which began on September 23, 2026. Acopinalco del Peñón 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 24°C, while the coldest stretch bottoms out in January near 5°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 8 to 24°C. Rainfall is relatively light, with around 124mm over the season and a monthly average of 41mm. Winds are generally light, averaging 7km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 10 to 21°C. Rainfall is heavy, totalling around 501mm across the season with a monthly average of 167mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 6 to 20°C. Precipitation is moderate at around 267mm for the season, averaging 89mm per month. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 5 to 21°C. Precipitation is minimal, with only around 39mm for the entire season. Winds are generally light, averaging 6km/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 Acopinalco del Peñón is during April and May, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 52mm per month. By contrast, January can be quite cold with temperatures dropping to 5°C. 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 Acopinalco del Peñón 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.
