Climate Overview
The climate in Valença do Piauí is hot. The average annual temperature is 28°C and approximately 897mm of precipitation falls per year. March is the wettest month, receiving around 212mm of rainfall. Valença do Piauí sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Valença do Piauí sees moderate temperature variation throughout the year, ranging from 22°C to 37°C. October is the hottest month, with daytime highs reaching 37°C and an average of 31°C. July is the coolest month, with minimum temperatures around 22°C and an average of 28°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Valença do Piauí is a moderately rainy area, receiving approximately 897mm of precipitation annually, which averages out to around 75mm per month. The wettest month is March, averaging 212mm of rainfall. February and January also tend to see above-average precipitation. The driest month is August, with just 0mm. That's 212mm less than March, 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
Valença do Piauí 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 July, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/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 4km/h in winter, 3km/h in spring, 2km/h in summer, 2km/h in autumn.
Seasons
93 days until Spring
It is currently winter in Valença do Piauí, which began on June 21, 2026. Valença do Piauí sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 37°C, while the coldest stretch bottoms out in July near 22°C. Spring is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 25 to 37°C. Precipitation is minimal, with only around 45mm for the entire season. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 23 to 34°C. Rainfall is heavy, totalling around 482mm across the season with a monthly average of 161mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 33°C. Rainfall is heavy, totalling around 365mm across the season with a monthly average of 122mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 35°C. Precipitation is minimal, with only around 5mm for the entire season. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Valença do Piauí 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.
