Last updated: March 2, 2024
The weather in Grand Island, United States, during August is characterized by an average temperature of 22°C (72°F). Highs can soar to 28°C (84°F), while lows may dip to 14°C (58°F). Typically, the humidity level in Grand Island throughout August hovers around 72%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Grand Island averages 83 mm (3.3 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 13 hours 50 minutes of daylight, with the sun shining for approximately 11 hours 7 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Grand Island reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 3 | 4 | 6 | 8 | 9 | 8 | 7 | 5 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||