Climate Overview
The climate in Coahuayutla de Guerrero is hot. The average annual temperature is 26°C and approximately 781mm of precipitation falls per year. September is the wettest month, receiving around 209mm of rainfall. Coahuayutla de Guerrero is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, July, April. The coldest months are January, February, March, when temperatures can drop to 19°C.
Temperature
Coahuayutla de Guerrero sees moderate temperature variation throughout the year, ranging from 19°C to 34°C. The warmest month is May, when average highs reach 34°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 19°C and an average of 24°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs.
Precipitation
Coahuayutla de Guerrero is a relatively dry area, receiving approximately 781mm of precipitation annually, which averages out to around 65mm per month. The wettest month is September, averaging 209mm of rainfall. August and October also tend to see above-average precipitation. The driest month is April, with just 0mm. That's 209mm 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
Coahuayutla de Guerrero is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months.
Seasons
88 days until Summer
It is currently spring in Coahuayutla de Guerrero, which began on March 20, 2026. Coahuayutla de Guerrero 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 34°C, while the coldest stretch bottoms out in January near 19°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 19 to 34°C. Precipitation is minimal, with only around 20mm for the entire season. Winds are moderate at around 17km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 23 to 34°C. Rainfall is heavy, totalling around 356mm across the season with a monthly average of 119mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 32°C. Rainfall is heavy, totalling around 392mm across the season with a monthly average of 131mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 19 to 32°C. Precipitation is minimal, with only around 12mm for the entire season. Winds are generally light, averaging 13km/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 Coahuayutla de Guerrero is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 7mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 34°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 Coahuayutla de Guerrero 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.
