Last updated: August 27, 2025
In December, the average temperature in San Rafael, Peru hovers around 26°C (79°F), with a comfortable minimum of 20°C (69°F) and a warm maximum of 35°C (95°F). Visitors can expect about 230 mm (9.0 in) of precipitation spread over 26 days, contributing to an average humidity of 89% that adds a touch of tropical vibrancy to the atmosphere.
In December in San Rafael, the average temperature is 26°C (79°F). Maximums can reach 35°C (95°F), while minimums can be as low as 20°C (69°F). This pleasant weather makes San Rafael an ideal destination for travelers looking to enjoy warm and inviting conditions.
In San Rafael in December, the total precipitation amount is 230 mm (9.0 in), spread over 26 days.
In San Rafael in December, humidity is 89%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick blanket, making it feel much hotter and more exhausting for traveling, as every step seems to weigh you down in the muggy air.
In San Rafael 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 San Rafael, you can check here.
UV Risk Categories
Weather in San Rafael varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Rafael, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (78°F) | 252 mm (9.9 inches) | 80% | extreme |
| February Weather | 26°C (79°F) | 249 mm (9.8 inches) | 76% | extreme |
| March Weather | 25°C (78°F) | 345 mm (13.6 inches) | 81% | extreme |
| April Weather | 25°C (78°F) | 253 mm (10.0 inches) | 86% | extreme |
| May Weather | 25°C (78°F) | 225 mm (8.9 inches) | 86% | extreme |
| June Weather | 25°C (77°F) | 176 mm (6.9 inches) | 70% | extreme |
| July Weather | 24°C (76°F) | 123 mm (4.8 inches) | 47% | extreme |
| August Weather | 25°C (78°F) | 83 mm (3.3 inches) | 37% | extreme |
| September Weather | 26°C (79°F) | 79 mm (3.1 inches) | 42% | extreme |
| October Weather | 26°C (79°F) | 167 mm (6.6 inches) | 62% | extreme |
| November Weather | 26°C (79°F) | 261 mm (10.3 inches) | 76% | extreme |
| December Weather | 26°C (79°F) | 230 mm (9.0 inches) | 89% | extreme |