Last updated: June 24, 2025
In January, the average temperature in De Smet, United States dips to a chilly -9°C (16°F), with extreme minimums reaching -37°C (-35°F) and highs climbing up to 8°C (47°F). Expect about 20 mm (0.8 in) of precipitation over 5 days, and prepare for high average humidity levels of 81%. Stay warm!
In January in De Smet, the average temperature is -9°C (16°F), with maximums reaching 8°C (47°F) and minimums dropping as low as -37°C (-35°F). Travelers should be prepared for extreme cold and fluctuating temperatures during this time.
In De Smet in January, the precipitation amount is 20 mm (0.8 in) over a period of 5 days.
In De Smet in January, humidity is 81%. With an average temperature of -9°C (16°F), this humidity feels like a biting chill, making travel cumbersome as the damp cold seeps into your bones, creating a heavy and uncomfortable atmosphere for any exploration.
In De Smet in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in De Smet, you can check the information here.
UV Risk Categories
Weather in De Smet varies notably across the year, with each month offering distinct climate conditions. This page compares January’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 |