Last updated: June 24, 2025
In De Smet, United States, the average temperature in April hovers around 5°C (42°F), presenting a chilly atmosphere. Expect temperature fluctuations, with minimums dipping to -19°C (-1°F) and maximums soaring up to 28°C (82°F). During this month, precipitation accumulates to 78 mm (3.1 in) over approximately 10 days, while the average humidity rests at a notable 79%. Prepare accordingly for a mix of cool weather and occasional showers!
In April in De Smet, the average temperature is 5°C (42°F). Maximums can reach 28°C (82°F) and minimums can be as low as -19°C (-1°F). It's advisable to pack for a variety of weather conditions while traveling, as temperatures can vary significantly.
In De Smet in April, the precipitation amount is 78 mm (3.1 in) over the course of 10 days.
In De Smet in April, humidity is 79%. With an average temperature of 5°C (42°F), this humidity feels like a chilly mist enveloping you, making outdoor activities challenging and travel less appealing, as the dampness clings to your skin and the cold bites through your layers.
In De Smet 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 De Smet.
UV Risk Categories
Weather in De Smet varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in De Smet, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 20 mm (0.8 inches) | 81% | moderate |
| February Weather | -9°C (16°F) | 18 mm (0.7 inches) | 85% | moderate |
| March Weather | 0°C (32°F) | 55 mm (2.2 inches) | 76% | moderate |
| April Weather | 5°C (42°F) | 78 mm (3.1 inches) | 79% | very high |
| May Weather | 14°C (57°F) | 87 mm (3.4 inches) | 76% | very high |
| June Weather | 21°C (71°F) | 78 mm (3.1 inches) | 81% | very high |
| July Weather | 23°C (74°F) | 91 mm (3.6 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 97 mm (3.8 inches) | 82% | very high |
| September Weather | 17°C (64°F) | 95 mm (3.7 inches) | 77% | very high |
| October Weather | 8°C (46°F) | 79 mm (3.1 inches) | 76% | moderate |
| November Weather | 1°C (34°F) | 22 mm (0.9 inches) | 84% | moderate |
| December Weather | -4°C (25°F) | 30 mm (1.2 inches) | 81% | low |