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January Weather in Glasgow, United States

Last updated: June 24, 2025

In Glasgow, United States, the average temperature in January hovers around -1°C (31°F). However, be prepared for a range of temperatures, with minimums plummeting to -23°C (-8°F) and highs reaching up to 18°C (64°F). During this month, expect approximately 64 mm (2.5 in) of precipitation over about 7 days, and maintain a cozy atmosphere with an average humidity of 80%.

January Temperature in Glasgow

In January in Glasgow, the average temperature is -1°C (31°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -23°C (-8°F). Be sure to pack for a wide range of temperatures if you plan to travel during this time.

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 -1°C (31°F), with highs reaching up to 18°C (64°F) and lows dropping to around -23°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec313346546676807672574438
Data source: Temperature data for Glasgow 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 Glasgow

In Glasgow in January, the precipitation amount is 64 mm (2.5 in) accumulated over a period of 7 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 64 mm (2.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6455115107214131109115681125038
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Glasgow

In Glasgow in January humidity is 80%. With average temperature -1°C (31°F), this humidity feels like a biting chill that seeps into your bones, making every step outdoors a brisk reminder of the cold.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
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 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 Glasgow, you can check the information here.

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 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)64 mm (2.5 inches)80%moderate
February Weather1°C (33°F)55 mm (2.2 inches)78%moderate
March Weather8°C (46°F)115 mm (4.5 inches)75%high
April Weather12°C (54°F)107 mm (4.2 inches)77%very high
May Weather19°C (66°F)214 mm (8.4 inches)82%very high
June Weather25°C (77°F)131 mm (5.2 inches)83%extreme
July Weather26°C (80°F)109 mm (4.3 inches)81%extreme
August Weather25°C (76°F)115 mm (4.5 inches)78%very high
September Weather22°C (72°F)68 mm (2.7 inches)72%very high
October Weather14°C (58°F)112 mm (4.4 inches)72%high
November Weather7°C (44°F)50 mm (2.0 inches)84%moderate
December Weather3°C (38°F)38 mm (1.5 inches)86%moderate

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