nomadseason

December Weather in Glasgow, United States

Last updated: June 24, 2025

In December, the average temperature in Glasgow, United States hovers around 9°C (48°F), with minimums dropping to 2°C (36°F) and maximums reaching 15°C (59°F). This month witnesses a significant precipitation amount of 210 mm (8.3 in) spread over 17 days, contributing to an average humidity of 87%.

December Temperature in Glasgow

In December in Glasgow, the average temperature is 9°C (48°F). Maximum temperatures can reach 15°C (59°F), while minimum temperatures can dip as low as 2°C (36°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates December 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, December typically has an average temperature of 9°C (48°F), with highs reaching up to 15°C (59°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec484648515458616161565148
Data source: Temperature data for Glasgow generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Glasgow

In Glasgow in December, the precipitation amount is 210 mm (8.3 in) over a span of 17 days.

December Precipitation Trends in Glasgow

The chart displays monthly precipitation patterns in Glasgow, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Glasgow, December typically receives around 210 mm (8.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1922161481195843465678163210
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Glasgow

In Glasgow in December humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

December Average Humidity in Glasgow

This chart illustrates the average monthly humidity levels in Glasgow, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Glasgow is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Glasgow

In Glasgow in December, 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 December

The chart shows the monthly maximum UV Index (UVI) for Glasgow in December, 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 December, the maximum UV index in Glasgow typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
Data source: Glasgow December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)192 mm (7.5 inches)84%low
February Weather8°C (47°F)216 mm (8.5 inches)85%moderate
March Weather9°C (48°F)148 mm (5.8 inches)86%high
April Weather10°C (51°F)119 mm (4.7 inches)83%high
May Weather12°C (54°F)58 mm (2.3 inches)83%very high
June Weather15°C (58°F)43 mm (1.7 inches)83%very high
July Weather16°C (61°F)4 mm (0.2 inches)78%very high
August Weather16°C (62°F)6 mm (0.2 inches)67%very high
September Weather16°C (61°F)56 mm (2.2 inches)66%very high
October Weather13°C (56°F)78 mm (3.1 inches)77%moderate
November Weather11°C (52°F)163 mm (6.4 inches)87%moderate
December Weather9°C (48°F)210 mm (8.3 inches)87%low

Compare Glasgow's Climate with Cities Worldwide