Climate Insights for San Ignacio
Ayacucho, San Luis, Argentina
Climate Overview
The climate in San Ignacio is warm and mild. The average annual temperature is 20°C and approximately 496 mm of precipitation falls per year. January is the wettest month, receiving around 96 mm of rainfall. San Ignacio 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: December, January, February. The coldest months are July, June, August, when temperatures can drop to 5°C.The climate in San Ignacio is warm and mild. The average annual temperature is 68°F and approximately 19.5 in of precipitation falls per year. January is the wettest month, receiving around 3.8 in of rainfall. San Ignacio 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: December, January, February. The coldest months are July, June, August, when temperatures can drop to 41°F.
Temperature
Temperatures in San Ignacio vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is December, when average highs reach 34°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 5°C and an average of 11°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.Temperatures in San Ignacio vary considerably across the year, with a 53°F difference between the coldest and warmest months. The warmest month is December, when average highs reach 94°F and the mean temperature sits around 81°F. July is the coolest month, with minimum temperatures around 41°F and an average of 52°F. On average, daily temperatures fluctuate by about 23°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 8°F shift in average temperatures.
Precipitation
San Ignacio is a relatively dry area, receiving approximately 496 mm of precipitation annually, which averages out to around 41 mm per month. The wettest month is January, averaging 96 mm of rainfall. February and March also tend to see above-average precipitation. The driest month is August, with just 6 mm. That's 90 mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.San Ignacio is a relatively dry area, receiving approximately 19.5 in of precipitation annually, which averages out to around 1.6 in per month. The wettest month is January, averaging 3.8 in of rainfall. February and March also tend to see above-average precipitation. The driest month is August, with just 0.2 in. That's 3.5 in less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
San Ignacio is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 9km/h in winter, 12km/h in spring, 11km/h in summer, 9km/h in autumn.San Ignacio is mildly breezy, with an average annual wind speed of 6mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 5mph in winter, 7mph in spring, 7mph in summer, 6mph in autumn.
Best Time to Visit
The best time to visit San Ignacio is during March, April, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 45 mm per month. By contrast, December can be uncomfortably hot with highs reaching 34°C, while July is the coldest period with lows dropping to 5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit San Ignacio is during March, April, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 71°F with modest rainfall averaging 1.8 in per month. By contrast, December can be uncomfortably hot with highs reaching 94°F, while July is the coldest period with lows dropping to 41°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for San Ignacio 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 San Ignacio 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.