Last updated: August 22, 2025
In April, the average temperature in San Martin, Argentina hovers around 18°C (65°F), offering a pleasant climate for outdoor activities. Expect a minimum of 4°C (39°F) and a maximum that can reach up to 35°C (96°F). During this month, you might encounter a bit of rain, with a total precipitation of 15 mm (0.6 in) spread over about 3 days. The average humidity is a comfortable 67%, ensuring a refreshing atmosphere throughout the month.
In April in San Martin, the average temperature is 18°C (65°F). Maximums can reach 35°C (96°F) and minimums can be as low as 4°C (39°F). This makes it a perfect time to explore San Martin, offering a pleasant climate for outdoor adventures and sightseeing.
In San Martin in April, the precipitation amount is 15 mm (0.6 in) over the course of 3 days.
In San Martin in April humidity is 67%. With an average temperature of 18°C (65°F), this humidity feels like a mild blanket wrapping around you, making outdoor activities feel pleasantly refreshing, yet you may find yourself reaching for a drink more often to stay hydrated while exploring the sights.
In San Martin in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Martin.
UV Risk Categories
Weather in San Martin varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Martin, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (80°F) | 19 mm (0.8 inches) | 44% | extreme |
| February Weather | 25°C (77°F) | 17 mm (0.7 inches) | 48% | extreme |
| March Weather | 22°C (72°F) | 17 mm (0.7 inches) | 56% | extreme |
| April Weather | 18°C (65°F) | 15 mm (0.6 inches) | 67% | very high |
| May Weather | 14°C (57°F) | 11 mm (0.4 inches) | 66% | high |
| June Weather | 9°C (49°F) | 6 mm (0.2 inches) | 58% | moderate |
| July Weather | 9°C (48°F) | 8 mm (0.3 inches) | 58% | moderate |
| August Weather | 12°C (54°F) | 3 mm (0.1 inches) | 52% | high |
| September Weather | 16°C (61°F) | 12 mm (0.5 inches) | 45% | very high |
| October Weather | 19°C (67°F) | 13 mm (0.5 inches) | 43% | extreme |
| November Weather | 23°C (73°F) | 14 mm (0.5 inches) | 41% | extreme |
| December Weather | 25°C (77°F) | 18 mm (0.7 inches) | 37% | extreme |