Climate Overview
The climate in Bella Unión is warm and mild. The average annual temperature is 20°C and approximately 1292mm of precipitation falls per year. Bella Unión receives a notable amount of rainfall throughout the year, including during its driest month. Bella Unión 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 Bella Unión vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 32°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
Bella Unión is a fairly wet location, receiving approximately 1292mm of precipitation annually, which averages out to around 108mm per month. The wettest month is April, averaging 140mm of rainfall. October and January also tend to see above-average precipitation. The driest month is July, with just 60mm. That's 80mm less than April, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Bella Unión is mildly breezy, with an average annual wind speed of 19km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in February, with average winds dropping to 17km/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 Bella Unión, which began on March 20, 2026. Bella Unión 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 32°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 12 to 28°C. Rainfall is heavy, totalling around 381mm across the season with a monthly average of 127mm. Winds are moderate at around 20km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 19 to 32°C. Rainfall is heavy, totalling around 317mm across the season with a monthly average of 106mm. Winds are moderate at around 18km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 12 to 29°C. Rainfall is heavy, totalling around 349mm across the season with a monthly average of 116mm. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 10 to 22°C. Precipitation is moderate at around 245mm for the season, averaging 82mm per month. Winds are moderate at around 19km/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 Bella Unión 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.