Climate Overview
The climate in Miahuatlán de Porfirio Díaz is warm and mild. The average annual temperature is 19°C and approximately 1787mm of precipitation falls per year. September is the wettest month, receiving around 355mm of rainfall. Miahuatlán de Porfirio Díaz 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 11°C.
Temperature
Miahuatlán de Porfirio Díaz sees moderate temperature variation throughout the year, ranging from 11°C to 28°C. The warmest month is April, when average highs reach 28°C and the mean temperature sits around 21°C. January is the coolest month, with minimum temperatures around 11°C and an average of 17°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs.
Precipitation
Miahuatlán de Porfirio Díaz is a fairly wet location, receiving approximately 1787mm of precipitation annually, which averages out to around 149mm per month. The wettest month is September, averaging 355mm of rainfall. August and June also tend to see above-average precipitation. The driest month is February, with just 6mm. That's 350mm 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
Miahuatlán de Porfirio Díaz is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, 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
84 days until Autumn
It is currently summer in Miahuatlán de Porfirio Díaz, which began on June 21, 2026. Miahuatlán de Porfirio Díaz 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 28°C, while the coldest stretch bottoms out in January near 11°C. Autumn is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 13 to 28°C. Precipitation is moderate at around 249mm for the season, averaging 83mm per month. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 26°C. Rainfall is heavy, totalling around 983mm across the season with a monthly average of 328mm. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 13 to 26°C. Rainfall is heavy, totalling around 535mm across the season with a monthly average of 178mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 11 to 27°C. Precipitation is minimal, with only around 20mm for the entire season. Winds are generally light, averaging 2km/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 Miahuatlán de Porfirio Díaz is during January, February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 20mm per month. 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 Miahuatlán de Porfirio Díaz 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.
