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May Weather in Glasgow, United States

Last updated: June 24, 2025

In Glasgow, United States, the average temperature in May hovers around 12°C (54°F). Expect a minimum of 6°C (43°F) and a maximum of 25°C (77°F). During this time, precipitation averages 58 mm (2.3 in) over approximately 8 days, while the average humidity sits at a cozy 83%. Enjoy the mild climate and prepare for some rain!

May Temperature in Glasgow

In May in Glasgow, the average temperature is 12°C (54°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as 6°C (43°F). This mild climate makes Glasgow an ideal destination for outdoor activities and exploration during this time of year.

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 12°C (54°F), with highs reaching up to 25°C (77°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec484648515458616161565148
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.

May Precipitation in Glasgow

In Glasgow in May, the precipitation amount is 58 mm (2.3 in) over a span of 8 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 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1922161481195843465678163210
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Glasgow

In Glasgow in May humidity is 83%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel sticky and uncomfortable, which can dampen the excitement of traveling.

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 83%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Glasgow

In Glasgow in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
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.
 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

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