Last updated: June 24, 2025
In April, the average temperature in Grand Mound, United States hovers around 9°C (49°F). Expect a range of conditions, with minimums plummeting to -10°C (15°F) and maximums soaring up to 29°C (84°F). Rainfall is not uncommon, with a total precipitation of 96 mm (3.8 in) spread over 11 days, and humidity levels linger at a high 82%.
In April in Grand Mound, the average temperature is 9°C (49°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -10°C (15°F). This wide temperature range means travelers should be prepared for both warm and cold conditions during their visit.
In Grand Mound in April, the precipitation amount is 96 mm (3.8 in) spread over 11 days, resulting in a significant accumulation of rainfall.
In Grand Mound in April, humidity is 82%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and prompting travelers to seek warmth indoors or in cozy cafes.
In Grand Mound in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Grand Mound.
UV Risk Categories
Weather in Grand Mound varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Grand Mound, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 52 mm (2.1 inches) | 81% | moderate |
| February Weather | -4°C (25°F) | 59 mm (2.3 inches) | 81% | moderate |
| March Weather | 4°C (39°F) | 82 mm (3.2 inches) | 81% | high |
| April Weather | 9°C (49°F) | 96 mm (3.8 inches) | 82% | very high |
| May Weather | 17°C (62°F) | 140 mm (5.5 inches) | 78% | very high |
| June Weather | 23°C (73°F) | 121 mm (4.7 inches) | 81% | extreme |
| July Weather | 25°C (76°F) | 76 mm (3.0 inches) | 79% | very high |
| August Weather | 23°C (73°F) | 84 mm (3.3 inches) | 77% | very high |
| September Weather | 20°C (68°F) | 119 mm (4.7 inches) | 78% | very high |
| October Weather | 12°C (54°F) | 119 mm (4.7 inches) | 78% | high |
| November Weather | 3°C (39°F) | 49 mm (1.9 inches) | 87% | moderate |
| December Weather | 0°C (32°F) | 47 mm (1.9 inches) | 84% | low |