Climate Insights for Coahuayana Viejo

The climate in Coahuayana Viejo is warm and mild. The average annual temperature is 24°C and approximately 1781mm of precipitation falls per year. September is the wettest month, receiving around 425mm of rainfall. Coahuayana Viejo is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, July. The coldest months are January, February, March, when temperatures can drop to 16°C.

Coahuayana Viejo sees moderate temperature variation throughout the year, ranging from 16°C to 31°C. The warmest month is May, when average highs reach 31°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 16°C and an average of 22°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Coahuayana Viejo is a fairly wet location, receiving approximately 1781mm of precipitation annually, which averages out to around 148mm per month. The wettest month is September, averaging 425mm of rainfall. August and July also tend to see above-average precipitation. The driest month is April, with just 1mm. That's 424mm 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.

Coahuayana Viejo is relatively calm, with an average annual wind speed of 10km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.

It is currently spring in Coahuayana Viejo, which began on March 20, 2026. Coahuayana Viejo 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 31°C, while the coldest stretch bottoms out in January near 16°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Coahuayana Viejo is during January, February, March, April, May, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 19mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Coahuayana Viejo 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.