Last updated: June 24, 2025
In Sidney, United States, the average temperature in January hovers around -3°C (26°F). However, be prepared for extremes, as temperatures can plummet to a minimum of -32°C (-24°F) or rise to a maximum of 16°C (61°F). During this month, expect 34 mm (1.3 in) of precipitation over about 5 days, with an average humidity level of 76%. Stay warm and dry!
In January in Sidney, the average temperature is -3°C (26°F), with maximums reaching 16°C (61°F) and minimums plunging to as low as -32°C (-24°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable during their visit.
In Sidney in January, the precipitation amount is 34 mm (1.3 in) over the course of 5 days.
In Sidney in January humidity is 76%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that penetrates your layers, making every step outside feel damp and uncomfortable for traveling.
In Sidney 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 Sidney, you can check the information here.
UV Risk Categories
Weather in Sidney varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sidney, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -3°C (26°F) | 34 mm (1.3 inches) | 76% | moderate |
February Weather | -3°C (27°F) | 32 mm (1.3 inches) | 80% | moderate |
March Weather | 6°C (43°F) | 94 mm (3.7 inches) | 73% | high |
April Weather | 11°C (52°F) | 62 mm (2.4 inches) | 74% | very high |
May Weather | 18°C (64°F) | 147 mm (5.8 inches) | 78% | very high |
June Weather | 25°C (77°F) | 111 mm (4.4 inches) | 82% | very high |
July Weather | 26°C (79°F) | 91 mm (3.6 inches) | 83% | very high |
August Weather | 24°C (76°F) | 102 mm (4.0 inches) | 80% | very high |
September Weather | 21°C (71°F) | 95 mm (3.7 inches) | 75% | very high |
October Weather | 12°C (54°F) | 151 mm (5.9 inches) | 75% | high |
November Weather | 5°C (41°F) | 29 mm (1.2 inches) | 82% | moderate |
December Weather | 0°C (33°F) | 34 mm (1.3 inches) | 83% | moderate |