May Weather in Glasgow, United States

Last updated: June 24, 2025

In May, the average temperature in Glasgow, United States hovers around 13°C (56°F), offering a comfortable climate for visitors. However, be prepared for a range of temperatures—from a chilly -3°C (28°F) to a toasty 35°C (95°F). Expect about 36 mm (1.4 in) of precipitation over 7 days, along with an average humidity level of 74%, making it a refreshing time to experience this destination!

May Temperature in Glasgow

In May in Glasgow, the average temperature is 13°C (56°F). Maximums can reach 35°C (95°F) and minimums can be as low as -3°C (28°F). Travelers should be prepared for a wide range of temperatures, from warm days to chilly nights.

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

The chart illustrates May 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, May typically has an average temperature of 13°C (56°F), with highs reaching up to 35°C (95°F) and lows dropping to around -3°C (28°F).

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

May Precipitation in Glasgow

In Glasgow in May, the total precipitation amount is 36 mm (1.4 in) over a span of 7 days.

May Precipitation Trends in Glasgow

The chart displays monthly precipitation patterns in Glasgow, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Glasgow, May typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 7 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Glasgow

In Glasgow in May humidity is 74%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, especially for travelers unaccustomed to such conditions.

May Average Humidity in Glasgow

This chart illustrates the average monthly humidity levels in Glasgow, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Glasgow is approximately 74%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Glasgow

In Glasgow in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Glasgow.

Maximum UV Index Levels in Glasgow for May

The chart shows the monthly maximum UV Index (UVI) for Glasgow in May, 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 May, the maximum UV index in Glasgow typically reaches 8, which falls under the very high exposure category.

Data source: Glasgow May 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 May 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 May’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 May’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