Last updated: June 24, 2025
In Grand Island, United States, the average temperature in August hovers around 24°C (75°F). Expect a refreshing range, with minimums dipping to 9°C (48°F) and maximums soaring to 36°C (97°F). Prepare for some wet days, as 71 mm (2.8 in) of precipitation is likely over 8 days. Don't forget to stay cool with an average humidity of 84%!
In August in Grand Island, the average temperature is 24°C (75°F). Maximums can reach 36°C (97°F), and minimums can be as low as 9°C (48°F). It's a great time to visit for those who enjoy warm weather, but be prepared for occasional temperature fluctuations.
In Grand Island in August, the precipitation amount is 71 mm (2.8 in) over the course of 8 days.
In Grand Island in August humidity is 84%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making it essential for travelers to stay hydrated and plan outdoor activities for early mornings or late afternoons when the heat is more bearable.
In Grand Island 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 Grand Island.
UV Risk Categories
Weather in Grand Island varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Grand Island, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 28 mm (1.1 inches) | 73% | moderate |
| February Weather | -4°C (26°F) | 19 mm (0.7 inches) | 81% | moderate |
| March Weather | 5°C (41°F) | 86 mm (3.4 inches) | 69% | high |
| April Weather | 10°C (50°F) | 56 mm (2.2 inches) | 71% | very high |
| May Weather | 16°C (62°F) | 147 mm (5.8 inches) | 80% | very high |
| June Weather | 24°C (75°F) | 89 mm (3.5 inches) | 83% | extreme |
| July Weather | 25°C (78°F) | 66 mm (2.6 inches) | 84% | very high |
| August Weather | 24°C (75°F) | 71 mm (2.8 inches) | 84% | very high |
| September Weather | 21°C (69°F) | 59 mm (2.3 inches) | 77% | very high |
| October Weather | 11°C (52°F) | 86 mm (3.4 inches) | 72% | high |
| November Weather | 5°C (41°F) | 21 mm (0.8 inches) | 80% | moderate |
| December Weather | -1°C (31°F) | 42 mm (1.6 inches) | 79% | moderate |