Climate Overview
The climate in Santa Ana is warm and mild. The average annual temperature is 21°C and approximately 383mm of precipitation falls per year. July is the wettest month, receiving around 66mm of rainfall. Santa Ana is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are January, December, February, when temperatures can drop to 5°C.
Temperature
Temperatures in Santa Ana vary considerably across the year, with a 33°C difference between the coldest and warmest months. June is the hottest month, with daytime highs reaching 38°C and an average of 30°C. January is the coolest month, with minimum temperatures around 5°C and an average of 12°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 6°C shift in average temperatures.
Precipitation
Santa Ana is a quite dry location, receiving approximately 383mm of precipitation annually, which averages out to around 32mm per month. The wettest month is July, averaging 66mm of rainfall. September and August also tend to see above-average precipitation. The driest month is April, with just 3mm. That's 63mm less than July, 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 Ana 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 May, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
92 days until Autumn
It is currently summer in Santa Ana, which began on June 21, 2026. Santa Ana 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 June at around 38°C, while the coldest stretch bottoms out in January near 5°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 9 to 32°C. Precipitation is minimal, with only around 28mm 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 21 to 38°C. Rainfall is relatively light, with around 130mm over the season and a monthly average of 43mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 10 to 34°C. Rainfall is relatively light, with around 111mm over the season and a monthly average of 37mm. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 5 to 22°C. Rainfall is relatively light, with around 113mm over the season and a monthly average of 38mm. Winds are generally light, averaging 2km/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 Ana is during March, April, May, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 16mm per month. By contrast, June can be uncomfortably hot with highs reaching 38°C, while January is the coldest period with lows dropping to 5°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 Ana 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.
