Santa Cruz Temperature by Month
Santa Cruz in O'Higgins, Chile sees significant seasonal temperature differences, with daytime highs between 15°C (59°F) in July and 30°C (86°F) in January, averaging 23°C (73°F) annually. Explore the full monthly breakdown below.
Santa Cruz Monthly Temperatures
The climate in Santa Cruz is known for significant temperature differences throughout the year. At night, this contrast is just as clear, with lows ranging from 14°C (57°F) in January to 4°C (39°F) in July.
The chart below illustrates the average maximum day and minimum night temperatures in Santa Cruz by month:
The coldest point of the day usually falls between 4 AM and 6 AM, with temperatures peaking around 3 PM. January, the city's warmest month, gets 356 hours of sunshine.
The chart below shows the average temperature throughout the year:
Daily Historical Temperatures
50-year average (1976-2025)
Average high and low temperatures for each day of the month based on long-term records.
Average temperatures in July
Historical Santa Cruz Temperatures: 1976-2026
Browse day-by-day temperature records for Santa Cruz spanning 51 years. Select any month and year to see actual high and low temperatures recorded on each day.
Temperature: Santa Cruz vs Chile
The map below shows the annual temperature across Chile. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Santa Cruz vs World: Temperature Compared
Santa Cruz's average annual maximum temperature is 23°C (73°F). To put that in context, here's how it compares to a few well-known destinations:
Seville, Spain averages 23°C (73°F) a year — one of the warmer cities in Western Europe, with long hot summers.
Reykjavík, Iceland averages 9°C (48°F) a year — mild summers by Icelandic standards, but cold winters and frequent wind.
Buenos Aires, Argentina averages 23°C (73°F) a year, with hot summers and mild winters — and seasons reversed compared to Europe.
Perth, Australia averages 25°C (77°F) annually, with a classic Mediterranean climate — hot dry summers and mild wet winters.
What Does the Temperature Feel Like in Santa Cruz?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Santa Cruz, July is the coolest month, with average highs of 15°C (59°F) and humidity around 90% — considered very high. In January, the warmest month, temperatures average 30°C (86°F) with 65% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Whether a city sits on the coast or deep inland makes a significant difference to its climate. Coastal areas tend to have more stable temperatures year-round — large bodies of water absorb heat slowly in summer and release it gradually in winter, keeping extremes in check. Cities far from the sea don't benefit from that buffer, which is why continental climates tend to have hotter summers and colder winters than their coastal counterparts at the same latitude.
For more on Santa Cruz's weather — including monthly rainfall, sunshine hours, and humidity — visit our Santa Cruz climate page.
