Last updated: August 22, 2025
In Nueve de Julio, Argentina, the average temperature in December hovers around 26°C (78°F), with extremes ranging from a brisk 11°C (53°F) to a sweltering 39°C (103°F). During this time, expect about 99 mm (3.9 in) of precipitation spread over 6 days, resulting in an average humidity of 75%. Prepare for a blend of warm days and occasional rain!
In December in Nueve de Julio, the average temperature is 26°C (78°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 11°C (53°F). Be prepared for warm days and cooler nights when traveling during this time.
In Nueve de Julio in December, the precipitation amount is 99 mm (3.9 in) spread over a duration of 6 days.
In Nueve de Julio in December, humidity is 75%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit challenging, as the air can feel heavy and sticky, often leading to a need for frequent breaks to hydrate and find cooler spots to relax.
In Nueve de Julio in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Nueve de Julio, you can check here.
UV Risk Categories
Weather in Nueve de Julio varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nueve de Julio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (81°F) | 179 mm (7.1 inches) | 66% | extreme |
| February Weather | 26°C (79°F) | 62 mm (2.4 inches) | 61% | extreme |
| March Weather | 24°C (76°F) | 99 mm (3.9 inches) | 71% | extreme |
| April Weather | 21°C (70°F) | 119 mm (4.7 inches) | 81% | very high |
| May Weather | 17°C (63°F) | 122 mm (4.8 inches) | 84% | high |
| June Weather | 15°C (60°F) | 60 mm (2.4 inches) | 76% | moderate |
| July Weather | 14°C (58°F) | 42 mm (1.7 inches) | 64% | moderate |
| August Weather | 16°C (62°F) | 47 mm (1.9 inches) | 46% | high |
| September Weather | 19°C (66°F) | 107 mm (4.2 inches) | 55% | very high |
| October Weather | 22°C (71°F) | 113 mm (4.4 inches) | 57% | extreme |
| November Weather | 24°C (75°F) | 143 mm (5.6 inches) | 59% | extreme |
| December Weather | 26°C (78°F) | 99 mm (3.9 inches) | 75% | extreme |