Climate Overview
The climate in Otacílio Costa is temperate. The average annual temperature is 17°C and approximately 1680mm of precipitation falls per year. Otacílio Costa receives a notable amount of rainfall throughout the year, including during its driest month. Otacílio Costa is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, February, December. The coldest months are July, August, June, when temperatures can drop to 8°C.
Temperature
Otacílio Costa sees moderate temperature variation throughout the year, ranging from 8°C to 26°C. The warmest month is January, when average highs reach 26°C and the mean temperature sits around 21°C. July is the coolest month, with minimum temperatures around 8°C and an average of 12°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Otacílio Costa is a fairly wet location, receiving approximately 1680mm of precipitation annually, which averages out to around 140mm per month. The wettest month is December, averaging 202mm of rainfall. January and October also tend to see above-average precipitation. The driest month is July, with just 79mm. That's 123mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Otacílio Costa 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 October, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
90 days until Spring
It is currently winter in Otacílio Costa, which began on June 21, 2026. Otacílio Costa is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 26°C, while the coldest stretch bottoms out in July near 8°C. Spring is next, beginning on September 23, 2026 — 90 days from now.
Spring
Temperatures range from 12 to 23°C. Rainfall is heavy, totalling around 442mm across the season with a monthly average of 147mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 26°C. Rainfall is heavy, totalling around 554mm across the season with a monthly average of 185mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 11 to 25°C. Rainfall is heavy, totalling around 398mm across the season with a monthly average of 133mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 8 to 18°C. Precipitation is moderate at around 286mm for the season, averaging 95mm per month. Winds are generally light, averaging 2km/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 Otacílio Costa 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.
