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May Weather in Loch Lomond, United States

Last updated: June 24, 2025

In Loch Lomond, United States, the average temperature in May hovers around 19°C (67°F), providing a comfortable climate. Temperatures can vary significantly, with a minimum of 2°C (36°F) and soaring up to a maximum of 35°C (95°F). Expect a total precipitation of 125 mm (4.9 in) spread over approximately 12 days, accompanying an average humidity level of 78%.

May Temperature in Loch Lomond

In May in Loch Lomond, the average temperature is 19°C (67°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 2°C (36°F). It's advisable to pack for a range of temperatures when traveling to Loch Lomond during this month.

May Weather in Loch Lomond: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Loch Lomond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Loch Lomond, May typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec374147576675817772624741
Data source: Temperature data for Loch Lomond 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 Loch Lomond

In Loch Lomond in May, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.

May Precipitation Trends in Loch Lomond

The chart displays monthly precipitation patterns in Loch Lomond, 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 Loch Lomond, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec609579103125108109146951088591
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Loch Lomond

In Loch Lomond in May humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.

May Average Humidity in Loch Lomond

This chart illustrates the average monthly humidity levels in Loch Lomond, 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 Loch Lomond is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Loch Lomond

In Loch Lomond 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 Loch Lomond.

Maximum UV Index Levels in Loch Lomond for May

The chart shows the monthly maximum UV Index (UVI) for Loch Lomond 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 Loch Lomond typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Loch Lomond 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 Loch Lomond Compares to Other Months

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

This table compares monthly weather conditions in Loch Lomond, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)60 mm (2.4 inches)86%moderate
February Weather5°C (41°F)95 mm (3.7 inches)86%moderate
March Weather8°C (47°F)79 mm (3.1 inches)86%high
April Weather14°C (57°F)102 mm (4.0 inches)84%very high
May Weather19°C (67°F)125 mm (4.9 inches)78%very high
June Weather24°C (75°F)108 mm (4.3 inches)79%very high
July Weather27°C (81°F)109 mm (4.3 inches)70%very high
August Weather25°C (78°F)146 mm (5.7 inches)59%very high
September Weather22°C (72°F)95 mm (3.7 inches)68%very high
October Weather17°C (62°F)108 mm (4.3 inches)80%high
November Weather8°C (47°F)85 mm (3.3 inches)86%moderate
December Weather5°C (41°F)90 mm (3.6 inches)85%moderate

Compare Loch Lomond's Climate with Cities Worldwide