Climate Overview
The climate in Santa Bárbara is hot. The average annual temperature is 27°C and approximately 1121mm of precipitation falls per year. June is the wettest month, receiving around 224mm 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 21°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 21°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 1121mm of precipitation annually, which averages out to around 93mm per month. The wettest month is June, averaging 224mm of rainfall. July and August also tend to see above-average precipitation. The driest month is January, with just 6mm. That's 218mm 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 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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 10km/h in winter, 9km/h in spring, 7km/h in summer, 7km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Santa Bárbara, which began on March 20, 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 21°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 23 to 34°C. Precipitation is moderate at around 268mm for the season, averaging 89mm per month. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 30°C. Rainfall is heavy, totalling around 594mm across the season with a monthly average of 198mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 31°C. Precipitation is moderate at around 228mm for the season, averaging 76mm per month. Winds are generally light, averaging 7km/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 30mm for the entire season. Winds are generally light, averaging 10km/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.
