Climate Insights for Viamão

The climate in Viamão is warm and mild. The average annual temperature is 20°C and approximately 1,448 mm of precipitation falls per year. Viamão receives a notable amount of rainfall throughout the year, including during its driest month. Viamão 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 11°C.The climate in Viamão is warm and mild. The average annual temperature is 68°F and approximately 57 in of precipitation falls per year. Viamão receives a notable amount of rainfall throughout the year, including during its driest month. Viamão 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 51°F.

Viamão sees moderate temperature variation throughout the year, ranging from 11°C to 30°C. The warmest month is January, when average highs reach 30°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 11°C and an average of 14°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.Viamão sees moderate temperature variation throughout the year, ranging from 51°F to 87°F. The warmest month is January, when average highs reach 87°F and the mean temperature sits around 77°F. July is the coolest month, with minimum temperatures around 51°F and an average of 58°F. On average, daily temperatures fluctuate by about 16°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 7°F shift in average temperatures.

Viamão is a fairly wet location, receiving approximately 1,448 mm of precipitation annually, which averages out to around 121 mm per month. The wettest month is September, averaging 170 mm of rainfall. May and November also tend to see above-average precipitation. The driest month is April, with just 91 mm. That's 79 mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.Viamão is a fairly wet location, receiving approximately 57 in of precipitation annually, which averages out to around 4.8 in per month. The wettest month is September, averaging 6.7 in of rainfall. May and November also tend to see above-average precipitation. The driest month is April, with just 3.6 in. That's 3.1 in less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Viamão 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 October, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Viamão is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is October, averaging 7mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

The best time to visit Viamão is during February, April and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 93 mm per month. By contrast, January can be uncomfortably hot with highs reaching 30°C, while July is the coldest period with lows dropping to 11°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.The best time to visit Viamão is during February, April and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 69°F with modest rainfall averaging 3.7 in per month. By contrast, January can be uncomfortably hot with highs reaching 87°F, while July is the coldest period with lows dropping to 51°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Viamão 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.The table below shows monthly climate averages for Viamão based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.