Last updated: June 24, 2025
In August, the average temperature in Jacksonville, United States hovers around 22°C (72°F), with a pleasant range where minimums can dip to 10°C (51°F) and maximums can soar to 34°C (94°F). Expect about 84 mm (3.3 in) of precipitation spread across 14 days, contributing to an average humidity of 64%. Whether you’re planning outdoor adventures or cozy indoor activities, this month promises a delightful climate in Jacksonville!
In August in Jacksonville, the average temperature is 22°C (72°F), with maximums reaching up to 34°C (94°F) and minimums dipping as low as 10°C (51°F). This pleasant temperature range makes Jacksonville an ideal destination for travelers seeking comfortable weather to explore outdoor activities and attractions.
In Jacksonville in August, the precipitation amount is 84 mm (3.3 in) over the course of 14 days.
In Jacksonville in August humidity is 64%. With an average temperature of 22°C (72°F), this humidity feels like a warm, tropical embrace, making travel enjoyable yet slightly sticky, prompting visitors to seek shade or refreshing beverages while exploring the vibrant surroundings.
In Jacksonville in August, 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 Jacksonville.
UV Risk Categories
Weather in Jacksonville varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Jacksonville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 96 mm (3.8 inches) | 89% | moderate |
| February Weather | 1°C (34°F) | 130 mm (5.1 inches) | 90% | moderate |
| March Weather | 5°C (41°F) | 111 mm (4.4 inches) | 89% | high |
| April Weather | 10°C (51°F) | 132 mm (5.2 inches) | 88% | very high |
| May Weather | 16°C (61°F) | 157 mm (6.2 inches) | 80% | very high |
| June Weather | 20°C (69°F) | 136 mm (5.3 inches) | 79% | very high |
| July Weather | 23°C (74°F) | 129 mm (5.1 inches) | 74% | very high |
| August Weather | 22°C (72°F) | 84 mm (3.3 inches) | 64% | very high |
| September Weather | 19°C (66°F) | 123 mm (4.9 inches) | 67% | very high |
| October Weather | 13°C (56°F) | 116 mm (4.6 inches) | 81% | high |
| November Weather | 5°C (41°F) | 95 mm (3.7 inches) | 89% | moderate |
| December Weather | 2°C (36°F) | 109 mm (4.3 inches) | 88% | low |