Last updated: August 23, 2025
In San Juan Ostuncalco, Guatemala, the average temperature in March hovers around 20°C (68°F). However, you can expect a comfortable range with minimums of 12°C (54°F) and maximums reaching up to 27°C (81°F). During this time, precipitation amounts to 134 mm (5.3 in) spread over 28 days, accompanied by an average humidity of 59%. Enjoy the delightful weather while staying prepared for the occasional rain!
In March in San Juan Ostuncalco, the average temperature is 20°C (68°F), with a maximum that can reach 27°C (81°F) and a minimum that can be as low as 12°C (54°F). This mild weather makes San Juan Ostuncalco an ideal destination for travelers seeking comfortable outdoor activities and exploration.
In San Juan Ostuncalco in March, the precipitation amount is 134 mm (5.3 in) over the course of 28 days.
In San Juan Ostuncalco in March, humidity is 59%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, creating a slightly muggy atmosphere that can be a bit stifling for outdoor activities, yet refreshing during cooler, shaded moments, making it ideal for leisurely sightseeing and exploration in the early mornings or late afternoons.
In San Juan Ostuncalco in March, 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 Juan Ostuncalco, you can check here.
UV Risk Categories
Weather in San Juan Ostuncalco varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in San Juan Ostuncalco, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 19°C (67°F) | 51 mm (2.0 inches) | 76% | extreme |
| February Weather | 20°C (68°F) | 62 mm (2.5 inches) | 68% | extreme |
| March Weather | 20°C (68°F) | 134 mm (5.3 inches) | 59% | extreme |
| April Weather | 21°C (69°F) | 248 mm (9.8 inches) | 57% | extreme |
| May Weather | 21°C (70°F) | 702 mm (27.6 inches) | 65% | extreme |
| June Weather | 21°C (70°F) | 561 mm (22.1 inches) | 66% | extreme |
| July Weather | 21°C (70°F) | 461 mm (18.2 inches) | 75% | extreme |
| August Weather | 21°C (70°F) | 588 mm (23.1 inches) | 82% | extreme |
| September Weather | 21°C (69°F) | 604 mm (23.8 inches) | 82% | extreme |
| October Weather | 21°C (69°F) | 528 mm (20.8 inches) | 83% | extreme |
| November Weather | 20°C (69°F) | 224 mm (8.8 inches) | 80% | extreme |
| December Weather | 20°C (68°F) | 71 mm (2.8 inches) | 76% | very high |