Climate Overview
The climate in Nova Petrópolis is warm and mild. The average annual temperature is 18°C and approximately 1804mm of precipitation falls per year. Nova Petrópolis receives a notable amount of rainfall throughout the year, including during its driest month. Nova Petrópolis 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 9°C.
Temperature
Nova Petrópolis sees moderate temperature variation throughout the year, ranging from 9°C to 28°C. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 23°C. July is the coolest month, with minimum temperatures around 9°C and an average of 13°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 4°C shift in average temperatures.
Precipitation
Nova Petrópolis is a fairly wet location, receiving approximately 1804mm of precipitation annually, which averages out to around 150mm per month. The wettest month is January, averaging 197mm of rainfall. October and September also tend to see above-average precipitation. The driest month is April, with just 113mm. That's 84mm less than January, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Nova Petrópolis 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 July, averaging 2km/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 0km/h between the calmest and windiest months.
Seasons
93 days until Spring
It is currently winter in Nova Petrópolis, which began on June 21, 2026. Nova Petrópolis 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 28°C, while the coldest stretch bottoms out in July near 9°C. Spring is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 13 to 25°C. Rainfall is heavy, totalling around 512mm across the season with a monthly average of 171mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 17 to 28°C. Rainfall is heavy, totalling around 478mm across the season with a monthly average of 159mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 12 to 26°C. Rainfall is heavy, totalling around 446mm across the season with a monthly average of 149mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 9 to 21°C. Rainfall is heavy, totalling around 369mm across the season with a monthly average of 123mm. 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 Nova Petrópolis 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.
