Last updated: June 24, 2025
In January, the average temperature in Alderson, United States hovers around 0°C (33°F). However, expect a wide range as temperatures can drop to a chilling -21°C (-6°F) or soar to a balmy 19°C (66°F). Be prepared for some moisture, with an average precipitation of 81 mm (3.2 in) spread over 12 days, and a noticeable average humidity of 87% that adds a crisp edge to the air.
In January in Alderson, the average temperature is 0°C (33°F). The maximum can reach 19°C (66°F), and the minimum can be as low as -21°C (-6°F). Be prepared for a wide range of temperatures, making layered clothing essential for your visit.
In Alderson in January, the precipitation amount is 81 mm (3.2 in) over a span of 12 days.
In Alderson in January, humidity is 87%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making every step feel heavier and the air thick and suffocating, often leading to a sense of discomfort while traveling.
In Alderson in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Alderson for better planning.
UV Risk Categories
Weather in Alderson varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Alderson, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (33°F) | 81 mm (3.2 inches) | 87% | moderate |
February Weather | 3°C (39°F) | 142 mm (5.6 inches) | 87% | high |
March Weather | 6°C (44°F) | 104 mm (4.1 inches) | 86% | very high |
April Weather | 11°C (52°F) | 128 mm (5.0 inches) | 84% | very high |
May Weather | 16°C (61°F) | 137 mm (5.4 inches) | 83% | extreme |
June Weather | 20°C (68°F) | 97 mm (3.8 inches) | 83% | extreme |
July Weather | 22°C (72°F) | 74 mm (2.9 inches) | 79% | extreme |
August Weather | 21°C (71°F) | 85 mm (3.3 inches) | 66% | very high |
September Weather | 19°C (66°F) | 86 mm (3.4 inches) | 68% | very high |
October Weather | 13°C (56°F) | 114 mm (4.5 inches) | 78% | high |
November Weather | 5°C (42°F) | 69 mm (2.7 inches) | 89% | moderate |
December Weather | 3°C (38°F) | 98 mm (3.9 inches) | 86% | moderate |