Last updated: August 22, 2025
In December, the average temperature in Cruz Alta, Brazil is a comfortable 24°C (75°F). However, expect a wide range, with minimums dipping to 10°C (51°F) and maximums soaring to 37°C (100°F). This month brings about 85 mm (3.3 in) of precipitation spread over approximately 10 days, and average humidity levels hover around a high 85%, setting a warm and steamy atmosphere.
In December in Cruz Alta, the average temperature is 24°C (75°F), with maximums reaching up to 37°C (100°F) and minimums dropping as low as 10°C (51°F). This pleasant range makes it an ideal time for outdoor activities and exploring the local sights.
In Cruz Alta in December, the precipitation amount is 85 mm (3.3 in) over the course of 10 days.
In Cruz Alta in December humidity is 85%. With an average temperature of 24°C (75°F), this humidity feels like walking through a warm, heavy blanket, making travel feel sluggish and draining as you navigate through the thick, muggy air.
In Cruz Alta in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Cruz Alta.
UV Risk Categories
Weather in Cruz Alta varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cruz Alta, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (76°F) | 151 mm (6.0 inches) | 74% | extreme |
| February Weather | 23°C (74°F) | 115 mm (4.5 inches) | 73% | extreme |
| March Weather | 22°C (72°F) | 125 mm (4.9 inches) | 73% | extreme |
| April Weather | 20°C (68°F) | 120 mm (4.7 inches) | 81% | very high |
| May Weather | 16°C (62°F) | 196 mm (7.7 inches) | 87% | high |
| June Weather | 15°C (59°F) | 127 mm (5.0 inches) | 84% | moderate |
| July Weather | 14°C (57°F) | 111 mm (4.4 inches) | 80% | moderate |
| August Weather | 15°C (60°F) | 85 mm (3.4 inches) | 71% | high |
| September Weather | 18°C (65°F) | 130 mm (5.1 inches) | 74% | very high |
| October Weather | 20°C (68°F) | 178 mm (7.0 inches) | 77% | extreme |
| November Weather | 22°C (72°F) | 145 mm (5.7 inches) | 77% | extreme |
| December Weather | 24°C (75°F) | 85 mm (3.3 inches) | 85% | extreme |