Last updated: June 24, 2025
In January, the average temperature in Weir, United States hovers around 2°C (36°F). Expect chilly nights with minimum temperatures dipping as low as -18°C (0°F), while days can warm up to a pleasant 21°C (70°F). Throughout the month, 70 mm (2.8 in) of precipitation spreads over approximately 7 days, contributing to an average humidity of 81%. Prepare accordingly!
In January in Weir, the average temperature is 2°C (36°F). Maximum temperatures can reach 21°C (70°F), while minimums can dip as low as -18°C (0°F). Be prepared for a wide range of weather, ensuring you dress in layers to stay comfortable while exploring Weir.
In Weir in January, the precipitation amount is 70 mm (2.8 in) over a span of 7 days.
In Weir in January humidity is 81%. With an average temperature of 2°C (36°F), this humidity feels like a chilly dampness that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm and dry.
In Weir 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 Weir, you can check the information here.
UV Risk Categories
Weather in Weir varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Weir, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 2°C (36°F) | 70 mm (2.8 inches) | 81% | moderate |
February Weather | 3°C (38°F) | 63 mm (2.5 inches) | 78% | high |
March Weather | 10°C (51°F) | 133 mm (5.2 inches) | 76% | high |
April Weather | 14°C (57°F) | 130 mm (5.1 inches) | 78% | very high |
May Weather | 20°C (68°F) | 209 mm (8.2 inches) | 83% | very high |
June Weather | 25°C (78°F) | 90 mm (3.5 inches) | 83% | extreme |
July Weather | 27°C (81°F) | 97 mm (3.8 inches) | 78% | extreme |
August Weather | 26°C (79°F) | 112 mm (4.4 inches) | 68% | very high |
September Weather | 23°C (74°F) | 88 mm (3.5 inches) | 64% | very high |
October Weather | 16°C (60°F) | 124 mm (4.9 inches) | 70% | high |
November Weather | 9°C (48°F) | 53 mm (2.1 inches) | 83% | moderate |
December Weather | 6°C (42°F) | 44 mm (1.7 inches) | 87% | moderate |