January Weather in Glasgow, United States

Last updated: June 24, 2025

In January in Glasgow, United States, the average temperature dips to a chilly -8°C (18°F). Expect conditions as extreme as -37°C (-35°F) at their lowest, while temperatures can rise to a maximum of 11°C (52°F). Despite the cold, precipitation is relatively low, averaging just 9 mm (0.4 in) over 3 days. With an average humidity of 88%, the air stays crisp and moist—a true winter wonderland!

January Temperature in Glasgow

In January in Glasgow, the average temperature is -8°C (18°F), with maximums reaching 11°C (52°F) and minimums dropping as low as -37°C (-35°F). Travelers should be prepared for extremely cold conditions and ensure they have appropriate winter gear for their visit.

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

The chart illustrates January temperature patterns in Glasgow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glasgow, January typically has an average temperature of -8°C (18°F), with highs reaching up to 11°C (52°F) and lows dropping to around -37°C (-35°F).

Data source: Temperature data for Glasgow generated using information from the Copernicus Climate Change Service.

January Precipitation in Glasgow

In Glasgow in January, the precipitation amount is 9 mm (0.4 in) over a span of 3 days.

January Precipitation Trends in Glasgow

The chart displays monthly precipitation patterns in Glasgow, 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 Glasgow, January typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Glasgow

In Glasgow in January humidity is 88%. With an average temperature of -8°C (18°F), this humidity feels like a biting chill that seeps into your bones, making it essential to dress warmly and plan for quick indoor breaks while traveling.

January Average Humidity in Glasgow

This chart illustrates the average monthly humidity levels in Glasgow, 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 Glasgow is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Glasgow

In Glasgow in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Glasgow, you can visit Hourly UV Index in Glasgow.

Maximum UV Index Levels in Glasgow for January

The chart shows the monthly maximum UV Index (UVI) for Glasgow 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 Glasgow typically reaches 2, which falls under the low exposure category.

Data source: Glasgow 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 Glasgow Compares to Other Months

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

This table compares monthly weather conditions in Glasgow, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	9 mm (0.4 inches)	88%	low
February Weather	-11°C (13°F)	24 mm (0.9 inches)	91%	moderate
March Weather	-1°C (30°F)	22 mm (0.9 inches)	84%	moderate
April Weather	5°C (42°F)	24 mm (0.9 inches)	71%	high
May Weather	13°C (56°F)	36 mm (1.4 inches)	74%	very high
June Weather	19°C (67°F)	57 mm (2.3 inches)	70%	very high
July Weather	23°C (75°F)	24 mm (0.9 inches)	76%	very high
August Weather	22°C (71°F)	34 mm (1.3 inches)	74%	very high
September Weather	15°C (59°F)	54 mm (2.1 inches)	64%	high
October Weather	6°C (43°F)	22 mm (0.9 inches)	69%	moderate
November Weather	-1°C (31°F)	24 mm (1.0 inches)	82%	moderate
December Weather	-6°C (21°F)	19 mm (0.7 inches)	91%	low