Climate Overview
The climate in Santa Bárbara is hot. The average annual temperature is 27°C and approximately 971mm of precipitation falls per year. June is the wettest month, receiving around 168mm of rainfall. Santa Bárbara sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Santa Bárbara sees moderate temperature variation throughout the year, ranging from 22°C to 34°C. The warmest month is March, when average highs reach 34°C and the mean temperature sits around 29°C. July is the coolest month, with minimum temperatures around 22°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Santa Bárbara is a moderately rainy area, receiving approximately 971mm of precipitation annually, which averages out to around 81mm per month. The wettest month is June, averaging 168mm of rainfall. July and September also tend to see above-average precipitation. The driest month is February, with just 2mm. That's 166mm less than June, 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
Santa Bárbara is relatively calm, with an average annual wind speed of 1km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 1km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
92 days until Autumn
It is currently summer in Santa Bárbara, which began on June 21, 2026. Santa Bárbara sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 34°C, while the coldest stretch bottoms out in July near 22°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 23 to 34°C. Precipitation is moderate at around 222mm for the season, averaging 74mm per month. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 450mm across the season with a monthly average of 150mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 31°C. Precipitation is moderate at around 273mm for the season, averaging 91mm per month. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 33°C. Precipitation is minimal, with only around 26mm for the entire season. Winds are generally light, averaging 2km/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 Santa Bárbara 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.
