Last updated: June 24, 2025
In April, the average temperature in Walnut Grove, United States hovers around 6°C (43°F). However, be prepared for a wide temperature range, with lows dipping to -16°C (4°F) and highs soaring up to 30°C (86°F). Expect about 83 mm (3.3 in) of precipitation spread across 9 days, contributing to an overall average humidity of 82%.
In April in Walnut Grove, the average temperature is 6°C (43°F). The maximum can reach 30°C (86°F), while the minimum can drop to as low as -16°C (4°F). Be prepared for a wide range of temperatures when traveling to Walnut Grove during this month.
In Walnut Grove in April, the precipitation amount is 83 mm (3.3 in) over the course of 9 days.
In Walnut Grove in April, humidity is 82%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel less invigorating and more uncomfortable, as the heavy air can leave you feeling sluggish and fatigued during your travels.
In Walnut Grove 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 Walnut Grove.
UV Risk Categories
Weather in Walnut Grove varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Walnut Grove, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 27 mm (1.0 inches) | 85% | moderate |
| February Weather | -9°C (17°F) | 27 mm (1.1 inches) | 89% | moderate |
| March Weather | 1°C (33°F) | 65 mm (2.6 inches) | 81% | moderate |
| April Weather | 6°C (43°F) | 83 mm (3.3 inches) | 82% | very high |
| May Weather | 15°C (59°F) | 122 mm (4.8 inches) | 76% | very high |
| June Weather | 22°C (72°F) | 104 mm (4.1 inches) | 81% | very high |
| July Weather | 23°C (74°F) | 118 mm (4.6 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 128 mm (5.1 inches) | 83% | very high |
| September Weather | 18°C (65°F) | 107 mm (4.2 inches) | 82% | very high |
| October Weather | 9°C (48°F) | 92 mm (3.6 inches) | 82% | moderate |
| November Weather | 1°C (34°F) | 30 mm (1.2 inches) | 87% | moderate |
| December Weather | -4°C (25°F) | 41 mm (1.6 inches) | 84% | low |