Last updated: August 27, 2025
Average temperature in San Luis, Peru during April hovers around 9°C (48°F). You can expect temperatures to dip as low as 0°C (32°F) and peak at 17°C (63°F). Be prepared for some wet weather, with precipitation totaling 160 mm (6.3 in) over approximately 25 days. With an average humidity of 89%, it's a good idea to embrace cozy layers and a waterproof jacket!
In April in San Luis, the average temperature is 9°C (48°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop to as low as 0°C (32°F). Make sure to pack layers to stay comfortable while exploring the diverse weather conditions.
In San Luis in April, the total precipitation amount is 160 mm (6.3 in), occurring over the course of 25 days.
In San Luis in April humidity is 89%. With an average temperature of 9°C (48°F), this humidity feels like a chill that lingers in the air, wrapping around you like a damp blanket, making outdoor activities challenging and encouraging a cozy retreat indoors.
In San Luis in April, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in San Luis.
UV Risk Categories
Weather in San Luis varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Luis, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 9°C (48°F) | 240 mm (9.4 inches) | 88% | extreme |
February Weather | 9°C (49°F) | 223 mm (8.8 inches) | 86% | extreme |
March Weather | 9°C (48°F) | 271 mm (10.7 inches) | 89% | extreme |
April Weather | 9°C (48°F) | 160 mm (6.3 inches) | 89% | extreme |
May Weather | 9°C (48°F) | 87 mm (3.4 inches) | 86% | extreme |
June Weather | 8°C (47°F) | 45 mm (1.8 inches) | 71% | extreme |
July Weather | 8°C (46°F) | 36 mm (1.4 inches) | 44% | extreme |
August Weather | 8°C (47°F) | 43 mm (1.7 inches) | 34% | extreme |
September Weather | 8°C (47°F) | 97 mm (3.8 inches) | 37% | extreme |
October Weather | 9°C (48°F) | 179 mm (7.1 inches) | 50% | extreme |
November Weather | 9°C (49°F) | 222 mm (8.7 inches) | 73% | extreme |
December Weather | 9°C (49°F) | 250 mm (9.9 inches) | 91% | extreme |