Climate Overview
The climate in Posadas Airport is warm and mild. The average annual temperature is 22°C and approximately 1503mm of precipitation falls per year. Posadas Airport receives a notable amount of rainfall throughout the year, including during its driest month. Posadas Airport 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, December, February. The coldest months are July, June, August, when temperatures can drop to 13°C.
Temperature
Posadas Airport sees moderate temperature variation throughout the year, ranging from 13°C to 31°C. The warmest month is January, when average highs reach 31°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 13°C and an average of 16°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.
Precipitation
Posadas Airport is a fairly wet location, receiving approximately 1503mm of precipitation annually, which averages out to around 125mm per month. The wettest month is May, averaging 209mm of rainfall. October and April also tend to see above-average precipitation. The driest month is September, with just 73mm. That's 136mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Posadas Airport is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
84 days until Spring
It is currently winter in Posadas Airport, which began on June 21, 2026. Posadas Airport 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 31°C, while the coldest stretch bottoms out in July near 13°C. Spring is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 16 to 29°C. Rainfall is heavy, totalling around 408mm across the season with a monthly average of 136mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 341mm across the season with a monthly average of 114mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 16 to 29°C. Rainfall is heavy, totalling around 472mm across the season with a monthly average of 157mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 13 to 23°C. Precipitation is moderate at around 282mm for the season, averaging 94mm per month. Winds are generally light, averaging 4km/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 Posadas Airport is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 89mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 31°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 Posadas Airport 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.
