Climate Insights for Arroyito
Distrito San Miguel, Mendoza, Argentina
Climate Overview
The climate in Arroyito is warm and mild. The average annual temperature is 20°C and approximately 308 mm of precipitation falls per year. January is the wettest month, receiving around 70 mm of rainfall. Arroyito 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 Arroyito is warm and mild. The average annual temperature is 68°F and approximately 12.1 in of precipitation falls per year. January is the wettest month, receiving around 2.8 in of rainfall. Arroyito 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 Arroyito vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is December, when average highs reach 35°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 5°C and an average of 10°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 Arroyito 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 82°F. July is the coolest month, with minimum temperatures around 41°F and an average of 51°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
Arroyito is a quite dry location, receiving approximately 308 mm of precipitation annually, which averages out to around 26 mm per month. The wettest month is January, averaging 70 mm of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 2 mm. That's 69 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.Arroyito is a quite dry location, receiving approximately 12.1 in of precipitation annually, which averages out to around 1 in per month. The wettest month is January, averaging 2.8 in of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 0.1 in. That's 2.7 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
Arroyito is mildly breezy, with an average annual wind speed of 16km/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 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 14km/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.Arroyito is moderately windy, with an average annual wind speed of 10mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 12mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in May, with average winds dropping to 9mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3mph between the calmest and windiest months.
Best Time to Visit
The best time to visit Arroyito is during March, April, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 24 mm per month. By contrast, December can be uncomfortably hot with highs reaching 35°C, while July is the coldest period with lows dropping to 5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Arroyito is during March, April, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 69°F with modest rainfall averaging 0.9 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. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Arroyito 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 Arroyito 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.