Climate Overview
The climate in Ostuacán is warm and mild. The average annual temperature is 25°C and approximately 2119mm of precipitation falls per year. Ostuacán receives a notable amount of rainfall throughout the year, including during its driest month. Ostuacán 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, December, when temperatures can drop to 18°C.
Temperature
Ostuacán sees moderate temperature variation throughout the year, ranging from 18°C to 33°C. The warmest month is May, when average highs reach 33°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 18°C and an average of 21°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 2°C shift in average temperatures.
Precipitation
Ostuacán is a very wet location, receiving approximately 2119mm of precipitation annually, which averages out to around 177mm per month. The wettest month is October, averaging 275mm of rainfall. September and June also tend to see above-average precipitation. The driest month is April, with just 69mm. That's 206mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Ostuacán is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.
Seasons
84 days until Summer
It is currently spring in Ostuacán, which began on March 20, 2026. Ostuacán 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 33°C, while the coldest stretch bottoms out in January near 18°C. Summer is next, beginning on June 21, 2026 — 84 days from now.
Spring
Temperatures range from 20 to 33°C. Precipitation is moderate at around 263mm for the season, averaging 88mm per month. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 32°C. Rainfall is heavy, totalling around 559mm across the season with a monthly average of 186mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 20 to 30°C. Rainfall is heavy, totalling around 773mm across the season with a monthly average of 258mm. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 18 to 27°C. Rainfall is heavy, totalling around 523mm across the season with a monthly average of 174mm. Winds are generally light, averaging 12km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Ostuacán 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.
