Climate Insights for Unión San Juan

The climate in Unión San Juan is hot. The average annual temperature is 27°C and approximately 12,574 mm of precipitation falls per year. Unión San Juan receives a notable amount of rainfall throughout the year, including during its driest month. Unión San Juan sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Unión San Juan is hot. The average annual temperature is 80°F and approximately 495 in of precipitation falls per year. Unión San Juan receives a notable amount of rainfall throughout the year, including during its driest month. Unión San Juan sits near the equator, so seasonal temperature differences are minimal throughout the year.

Unión San Juan has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is March, when average highs reach 31°C and the mean temperature sits around 27°C. October is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.Unión San Juan has relatively stable temperatures year-round, staying within a 11°F range. The warmest month is March, when average highs reach 87°F and the mean temperature sits around 81°F. October is the coolest month, with minimum temperatures around 76°F and an average of 79°F. Daily temperature variation is modest, with an average difference of 9°F between highs and lows.

Unión San Juan is a very wet location, receiving approximately 12,574 mm of precipitation annually, which averages out to around 1,048 mm per month. The wettest month is July, averaging 1,499 mm of rainfall. August and September also tend to see above-average precipitation. The driest month is March, with just 488 mm. That's 1,012 mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.Unión San Juan is a very wet location, receiving approximately 495 in of precipitation annually, which averages out to around 41.3 in per month. The wettest month is July, averaging 59 in of rainfall. August and September also tend to see above-average precipitation. The driest month is March, with just 19.2 in. That's 39.8 in less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Unión San Juan is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Unión San Juan is relatively calm, with an average annual wind speed of 3mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

The table below shows monthly climate averages for Unión San Juan 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 Unión San Juan 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.