Climate Insights for Río Grande

The climate in Río Grande is hot. The average annual temperature is 25°C and approximately 2,388 mm of precipitation falls per year. October is the wettest month, receiving around 336 mm of rainfall. Río Grande sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Río Grande is hot. The average annual temperature is 78°F and approximately 94 in of precipitation falls per year. October is the wettest month, receiving around 13.2 in of rainfall. Río Grande sits near the equator, so seasonal temperature differences are minimal throughout the year.

Río Grande has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 26°C. February is the coolest month, with minimum temperatures around 22°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.Río Grande has relatively stable temperatures year-round, staying within a 14°F range. The warmest month is April, when average highs reach 86°F and the mean temperature sits around 79°F. February is the coolest month, with minimum temperatures around 72°F and an average of 77°F. Daily temperature variation is modest, with an average difference of 12°F between highs and lows.

Río Grande is a very wet location, receiving approximately 2,388 mm of precipitation annually, which averages out to around 199 mm per month. The wettest month is October, averaging 336 mm of rainfall. November and September also tend to see above-average precipitation. The driest month is March, with just 23 mm. That's 313 mm less than October, 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.Río Grande is a very wet location, receiving approximately 94 in of precipitation annually, which averages out to around 7.8 in per month. The wettest month is October, averaging 13.2 in of rainfall. November and September also tend to see above-average precipitation. The driest month is March, with just 0.9 in. That's 12.3 in less than October, 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.

Río Grande is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 10km/h in spring, 5km/h in summer, 5km/h in autumn.Río Grande is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 10mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 7mph difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8mph in winter, 6mph in spring, 3mph in summer, 3mph in autumn.

The best time to visit Río Grande is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 63 mm per month. By contrast, April can be uncomfortably hot with highs reaching 30°C, while February is the coldest period with lows dropping to 22°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Río Grande is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 77°F with modest rainfall averaging 2.5 in per month. By contrast, April can be uncomfortably hot with highs reaching 86°F, while February is the coldest period with lows dropping to 72°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Río Grande 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 Río Grande 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.