Last updated: June 24, 2025
In January, the average temperature in Sparta, United States hovers around 1°C (34°F). Temperatures can swing dramatically, with a minimum of -19°C (-1°F) and a maximum reaching 21°C (69°F). Expect about 88 mm (3.5 in) of rainfall spread over 8 days, accompanied by an average humidity level of 86%, creating a crisp and moist atmosphere.
In January in Sparta, the average temperature is 1°C (34°F), with maximums reaching 21°C (69°F) and minimums dropping as low as -19°C (-1°F). Travelers should be prepared for a range of temperatures and pack accordingly for their visit.
In Sparta in January, the precipitation amount is 88 mm (3.5 in) over the course of 8 days.
In Sparta in January, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.
In Sparta 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 Sparta, you can check the information here.
UV Risk Categories
Weather in Sparta varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sparta, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (34°F) | 88 mm (3.5 inches) | 86% | moderate |
February Weather | 3°C (38°F) | 108 mm (4.2 inches) | 84% | moderate |
March Weather | 9°C (48°F) | 136 mm (5.3 inches) | 84% | high |
April Weather | 13°C (56°F) | 144 mm (5.7 inches) | 80% | very high |
May Weather | 20°C (68°F) | 157 mm (6.2 inches) | 82% | extreme |
June Weather | 25°C (77°F) | 87 mm (3.4 inches) | 83% | extreme |
July Weather | 27°C (80°F) | 88 mm (3.5 inches) | 79% | very high |
August Weather | 25°C (77°F) | 103 mm (4.1 inches) | 76% | very high |
September Weather | 23°C (73°F) | 64 mm (2.5 inches) | 75% | very high |
October Weather | 16°C (60°F) | 125 mm (4.9 inches) | 74% | high |
November Weather | 7°C (45°F) | 84 mm (3.3 inches) | 85% | moderate |
December Weather | 5°C (41°F) | 77 mm (3.0 inches) | 88% | moderate |