Last updated: August 22, 2025
In August, the average temperature in San Antonio, Belize hovers around 27°C (81°F), creating a warm and inviting atmosphere. Here, you can expect minimum temperatures to dip to 21°C (71°F), while exhilarating highs can reach up to 36°C (97°F). This month also brings along 130 mm (5.1 in) of precipitation spread across 27 days, contributing to an average humidity level of 73%. Be prepared for a lush, vibrant environment!
In August in San Antonio, the average temperature is 27°C (81°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 21°C (71°F). This warm weather makes San Antonio an ideal destination for travelers seeking sunshine and pleasant outdoor activities.
In San Antonio in August, the precipitation amount is 130 mm (5.1 in) recorded over a span of 27 days.
In San Antonio in August, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.
In San Antonio in August, 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 Antonio, you can check here.
UV Risk Categories
Weather in San Antonio varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in San Antonio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 23°C (73°F) | 68 mm (2.7 inches) | 85% | very high |
| February Weather | 24°C (76°F) | 50 mm (2.0 inches) | 78% | extreme |
| March Weather | 25°C (77°F) | 65 mm (2.5 inches) | 67% | extreme |
| April Weather | 27°C (81°F) | 57 mm (2.3 inches) | 62% | extreme |
| May Weather | 28°C (82°F) | 106 mm (4.2 inches) | 62% | extreme |
| June Weather | 27°C (81°F) | 172 mm (6.8 inches) | 63% | extreme |
| July Weather | 27°C (81°F) | 122 mm (4.8 inches) | 66% | extreme |
| August Weather | 27°C (81°F) | 130 mm (5.1 inches) | 73% | extreme |
| September Weather | 27°C (81°F) | 139 mm (5.5 inches) | 82% | extreme |
| October Weather | 26°C (79°F) | 219 mm (8.6 inches) | 86% | extreme |
| November Weather | 24°C (76°F) | 138 mm (5.5 inches) | 87% | very high |
| December Weather | 23°C (74°F) | 65 mm (2.6 inches) | 87% | very high |