Climate Overview
The climate in Rivera is warm and mild. The average annual temperature is 18°C and approximately 1486mm of precipitation falls per year. Rivera receives a notable amount of rainfall throughout the year, including during its driest month. Rivera 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
Temperatures in Rivera 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 30°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 9°C and an average of 12°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 4°C shift in average temperatures.
Precipitation
Rivera is a fairly wet location, receiving approximately 1486mm of precipitation annually, which averages out to around 124mm per month. The wettest month is September, averaging 192mm of rainfall. October and January also tend to see above-average precipitation. The driest month is February, with just 82mm. That's 109mm 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.
Wind
Rivera is moderately windy, with an average annual wind speed of 20km/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 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in February, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.
Seasons
90 days until Winter
It is currently autumn in Rivera, which began on March 20, 2026. Rivera 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 30°C, while the coldest stretch bottoms out in July near 9°C. Winter is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 11 to 26°C. Rainfall is heavy, totalling around 478mm across the season with a monthly average of 159mm. Winds are moderate at around 22km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 17 to 30°C. Rainfall is heavy, totalling around 336mm across the season with a monthly average of 112mm. Winds are moderate at around 20km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 11 to 28°C. Rainfall is heavy, totalling around 362mm across the season with a monthly average of 121mm. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 9 to 20°C. Rainfall is heavy, totalling around 310mm across the season with a monthly average of 103mm. Winds are moderate at around 20km/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 Rivera is during February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 82mm per month. By contrast, January can be uncomfortably hot with highs reaching 30°C, while July is the coldest period with lows dropping to 9°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 Rivera 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.