May Weather in Scotland, United States

Last updated: June 24, 2025

In May, the average temperature in Scotland, United States hovers around 15°C (60°F). Expect a range that can swing from a chilly 0°C (32°F) to a warm 34°C (94°F). With 131 mm (5.2 in) of precipitation spread over 14 days, it's advisable to be prepared for some wet weather. Additionally, the average humidity is a notable 74%, adding to the overall atmosphere of the month.

May Temperature in Scotland

In May in Scotland, the average temperature is 15°C (60°F). Maximums can reach 34°C (94°F), and minimums can drop as low as 0°C (32°F). This wide range of temperatures makes Scotland an ideal destination for travelers seeking a mix of warm days and cooler nights.

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

The chart illustrates May temperature patterns in Scotland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Scotland, May typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (94°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Scotland

In Scotland in May, the precipitation amount is 131 mm (5.2 in) spread over the course of 14 days.

May Precipitation Trends in Scotland

The chart displays monthly precipitation patterns in Scotland, 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 Scotland, May typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Scotland

In Scotland in May humidity is 74%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace that can make outdoor activities feel slightly stifling, so travelers should be prepared to hydrate frequently and take breaks in the shade.

May Average Humidity in Scotland

This chart illustrates the average monthly humidity levels in Scotland, 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 Scotland 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 Scotland

In Scotland in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Scotland.

Maximum UV Index Levels in Scotland for May

The chart shows the monthly maximum UV Index (UVI) for Scotland 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 Scotland typically reaches 9, which falls under the very high exposure category.

Data source: Scotland 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 Scotland Compares to Other Months

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

This table compares monthly weather conditions in Scotland, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	19 mm (0.8 inches)	77%	low
February Weather	-6°C (21°F)	22 mm (0.9 inches)	81%	moderate
March Weather	2°C (37°F)	67 mm (2.6 inches)	71%	high
April Weather	7°C (46°F)	67 mm (2.6 inches)	75%	very high
May Weather	15°C (60°F)	131 mm (5.2 inches)	74%	very high
June Weather	23°C (74°F)	78 mm (3.1 inches)	82%	extreme
July Weather	25°C (77°F)	90 mm (3.6 inches)	84%	very high
August Weather	23°C (73°F)	100 mm (4.0 inches)	82%	very high
September Weather	19°C (67°F)	93 mm (3.7 inches)	75%	very high
October Weather	9°C (49°F)	79 mm (3.1 inches)	72%	moderate
November Weather	2°C (36°F)	22 mm (0.9 inches)	81%	moderate
December Weather	-3°C (27°F)	40 mm (1.6 inches)	79%	low