Climate Insights for Paraíba do Sul

The climate in Paraíba do Sul is cold. The average annual temperature is -58°C and approximately 3mm of precipitation falls per year. December is the wettest month, receiving around 3mm of rainfall. Paraíba do Sul 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, March. The coldest months are October, November, September, when temperatures can drop to -69°C.

Paraíba do Sul sees moderate temperature variation throughout the year, ranging from -69°C to -51°C. January is the warmest month, though highs remain moderate at -51°C with a mean of -52°C. October brings the harshest conditions, with lows dropping to -69°C and an average temperature of -66°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between November and December, with a 4°C shift in average temperatures.

Paraíba do Sul is a quite dry location, receiving approximately 3mm of precipitation annually, which averages out to around 0mm per month. The wettest month is December, averaging 3mm of rainfall. November also tend to see above-average precipitation. The driest month is January, with just 0mm. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Paraíba do Sul is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 4km/h in winter, 4km/h in spring, 6km/h in summer, 6km/h in autumn.

It is currently winter in Paraíba do Sul, which began on June 21, 2026. Paraíba do Sul 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 -51°C, while the coldest stretch bottoms out in October near -69°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The table below shows monthly climate averages for Paraíba do Sul 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.