January Weather in McGill, United States

Last updated: June 24, 2025

In McGill, United States, the average temperature in January hovers around -5°C (24°F). While chilly, expect temperatures to dip as low as -26°C (-14°F) and rise to a maximum of 10°C (50°F). During this month, the region sees an average precipitation of 29 mm (1.2 in) spread across 6 days, with a notable average humidity level of 82%. Prepare for a brisk and damp winter experience!

January Temperature in McGill

In January in McGill, the average temperature is -5°C (24°F). The maximum can reach 10°C (50°F), while the minimum can be as low as -26°C (-14°F). Travelers should be prepared for cold conditions and dress in layers to stay warm while exploring.

January Weather in McGill: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in McGill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McGill, January typically has an average temperature of -5°C (24°F), with highs reaching up to 10°C (50°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec232533435367757464463826
Data source: Temperature data for McGill generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in McGill

In McGill in January, the total precipitation amount is 29 mm (1.2 in) over the course of 6 days.

January Precipitation Trends in McGill

The chart displays monthly precipitation patterns in McGill, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In McGill, January typically receives around 29 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec29345941458141015252130
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in McGill

In McGill in January humidity is 82%. With an average temperature of -5°C (24°F), this humidity feels like an icy shroud enveloping you, making every breath a sharp reminder of the cold as moisture clings to your skin, potentially turning your travel experience into a balance between breathtaking winter scenery and the biting chill that is exacerbated by the dampness in the air.

January Average Humidity in McGill

This chart illustrates the average monthly humidity levels in McGill, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in McGill is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%76%67%51%44%37%32%43%63%80%83%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in McGill

In McGill 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 McGill for better planning.

Maximum UV Index Levels in McGill for January

The chart shows the monthly maximum UV Index (UVI) for McGill in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in McGill typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
Data source: McGill January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in McGill Compares to Other Months

Weather in McGill varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in McGill, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in McGill, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)29 mm (1.2 inches)82%moderate
February Weather-4°C (26°F)34 mm (1.3 inches)84%high
March Weather1°C (33°F)59 mm (2.3 inches)76%very high
April Weather6°C (44°F)41 mm (1.6 inches)67%very high
May Weather12°C (54°F)45 mm (1.8 inches)51%extreme
June Weather20°C (68°F)8 mm (0.3 inches)44%extreme
July Weather24°C (76°F)14 mm (0.6 inches)36%extreme
August Weather23°C (74°F)10 mm (0.4 inches)32%extreme
September Weather18°C (64°F)15 mm (0.6 inches)43%very high
October Weather8°C (47°F)25 mm (1.0 inches)63%high
November Weather3°C (38°F)21 mm (0.8 inches)80%moderate
December Weather-4°C (26°F)30 mm (1.2 inches)83%moderate

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