Climate Overview
The climate in Cachoeira do Sul Airport is warm and mild. The average annual temperature is 20°C and approximately 1467mm of precipitation falls per year. Cachoeira do Sul Airport receives a notable amount of rainfall throughout the year, including during its driest month. Cachoeira do Sul Airport 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, June, August, when temperatures can drop to 10°C.
Temperature
Temperatures in Cachoeira do Sul Airport vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 31°C and the mean temperature sits around 26°C. July is the coolest month, with minimum temperatures around 10°C and an average of 14°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.
Precipitation
Cachoeira do Sul Airport is a fairly wet location, receiving approximately 1467mm of precipitation annually, which averages out to around 122mm per month. The wettest month is May, averaging 182mm of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 68mm. That's 114mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Cachoeira do Sul Airport is mildly breezy, with an average annual wind speed of 17km/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 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in Cachoeira do Sul Airport, which began on March 20, 2026. Cachoeira do Sul Airport 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 31°C, while the coldest stretch bottoms out in July near 10°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 13 to 28°C. Rainfall is heavy, totalling around 460mm across the season with a monthly average of 153mm. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 19 to 31°C. Precipitation is moderate at around 294mm for the season, averaging 98mm per month. Winds are moderate at around 18km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 13 to 29°C. Rainfall is heavy, totalling around 395mm across the season with a monthly average of 132mm. Winds are moderate at around 16km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 10 to 21°C. Rainfall is heavy, totalling around 319mm across the season with a monthly average of 106mm. Winds are moderate at around 16km/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 Cachoeira do Sul Airport is during April, August and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 95mm per month. By contrast, January can be uncomfortably hot with highs reaching 31°C, while July is the coldest period with lows dropping to 10°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Cachoeira do Sul Airport 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.