Last updated: June 24, 2025
In August, the average temperature in Lake Monticello, United States hovers around 25°C (78°F). You can expect minimum temperatures to drop to 14°C (57°F), while maximums can soar to an impressive 38°C (100°F). This month also brings precipitation totaling 123 mm (4.8 in) over 13 days, with an average humidity of 77%, adding to the lush ambiance of the region.
In August in Lake Monticello, the average temperature is 25°C (78°F). Maximums can reach 38°C (100°F) and minimums can be as low as 14°C (57°F). This mild and warm climate makes it an ideal destination for travelers seeking pleasant weather and outdoor adventures.
In Lake Monticello in August, the precipitation amount is 123 mm (4.8 in) over the course of 13 days.
In Lake Monticello in August humidity is 77%. With an average temperature of 25°C (78°F), this humidity feels like a warm, sticky embrace that can quickly sap your energy, making outdoor activities more challenging and requiring frequent breaks to stay hydrated and cool.
In Lake Monticello in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Lake Monticello.
UV Risk Categories
Weather in Lake Monticello varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Lake Monticello, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 64 mm (2.5 inches) | 84% | moderate |
| February Weather | 6°C (43°F) | 95 mm (3.8 inches) | 84% | high |
| March Weather | 9°C (49°F) | 67 mm (2.7 inches) | 84% | high |
| April Weather | 15°C (59°F) | 111 mm (4.4 inches) | 82% | very high |
| May Weather | 20°C (68°F) | 108 mm (4.3 inches) | 82% | very high |
| June Weather | 24°C (75°F) | 99 mm (3.9 inches) | 83% | very high |
| July Weather | 27°C (81°F) | 61 mm (2.4 inches) | 79% | very high |
| August Weather | 25°C (78°F) | 123 mm (4.8 inches) | 77% | very high |
| September Weather | 22°C (72°F) | 92 mm (3.6 inches) | 75% | very high |
| October Weather | 17°C (63°F) | 110 mm (4.3 inches) | 81% | high |
| November Weather | 9°C (48°F) | 75 mm (3.0 inches) | 87% | moderate |
| December Weather | 5°C (42°F) | 89 mm (3.5 inches) | 85% | moderate |