Climate Overview
The climate in Santa Cruz del Sur is hot. The average annual temperature is 27°C and approximately 869mm of precipitation falls per year. May is the wettest month, receiving around 193mm of rainfall. Santa Cruz del Sur is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are January, February, March, when temperatures can drop to 23°C.
Temperature
Santa Cruz del Sur has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Santa Cruz del Sur is a moderately rainy area, receiving approximately 869mm of precipitation annually, which averages out to around 72mm per month. The wettest month is May, averaging 193mm of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 13mm. That's 180mm less than May, 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 Cruz del Sur 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 November, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Santa Cruz del Sur, which began on June 21, 2026. Santa Cruz del Sur is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 31°C, while the coldest stretch bottoms out in January near 23°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 24 to 29°C. Precipitation is moderate at around 248mm for the season, averaging 83mm per month. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 31°C. Precipitation is moderate at around 196mm for the season, averaging 65mm per month. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 368mm across the season with a monthly average of 123mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 27°C. Rainfall is relatively light, with around 57mm over the season and a monthly average of 19mm. Winds are generally light, averaging 6km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Santa Cruz del Sur is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 27mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 31°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Santa Cruz del Sur 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.
