Last updated: August 27, 2025
In April, the average temperature in San Martin de Unx, Spain hovers around 12°C (54°F), with a minimum drop to -2°C (28°F) and a peak reaching up to 26°C (79°F). Expect about 85 mm (3.4 in) of precipitation spread over 12 days, contributing to an average humidity of 81%. Whether you're planning outdoor activities or cozy indoor escapes, be prepared for a mix of cool and warm conditions!
In April in San Martin de Unx, the average temperature is 12°C (54°F). The maximum can reach 26°C (79°F), while the minimum can be as low as -2°C (28°F). This variation in temperature makes it a great time for travelers to experience both mild days and cooler evenings, so packing layers is advisable.
In San Martin de Unx in April, the precipitation amount is 85 mm (3.4 in) over the course of 12 days.
In San Martin de Unx in April humidity is 81%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel sluggish and uncomfortable as you battle the stickiness while trying to enjoy your surroundings.
In San Martin de Unx in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in San Martin de Unx.
UV Risk Categories
Weather in San Martin de Unx varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Martin de Unx, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 58 mm (2.3 inches) | 86% | moderate |
| February Weather | 8°C (46°F) | 44 mm (1.7 inches) | 85% | moderate |
| March Weather | 9°C (49°F) | 62 mm (2.4 inches) | 82% | moderate |
| April Weather | 12°C (54°F) | 85 mm (3.4 inches) | 81% | very high |
| May Weather | 16°C (61°F) | 64 mm (2.5 inches) | 80% | very high |
| June Weather | 20°C (69°F) | 55 mm (2.2 inches) | 81% | extreme |
| July Weather | 23°C (73°F) | 14 mm (0.6 inches) | 80% | very high |
| August Weather | 23°C (73°F) | 28 mm (1.1 inches) | 76% | very high |
| September Weather | 19°C (67°F) | 38 mm (1.5 inches) | 75% | very high |
| October Weather | 14°C (58°F) | 52 mm (2.1 inches) | 81% | high |
| November Weather | 9°C (49°F) | 75 mm (3.0 inches) | 85% | moderate |
| December Weather | 7°C (44°F) | 71 mm (2.8 inches) | 87% | low |