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May Weather in Highland, United States

Last updated: June 24, 2025

In May, the average temperature in Highland, United States hovers around 16°C (60°F), with a minimum dipping to -2°C (29°F) and a peak reaching 33°C (91°F). This month also brings 162 mm (6.4 in) of precipitation, spread across 16 days, contributing to an average humidity of 79%. Prepare for a mix of mild comfort and occasional rain!

May Temperature in Highland

In May in Highland, the average temperature is 16°C (60°F), with maximums reaching 33°C (91°F) and minimums dropping as low as -2°C (29°F). This varied climate makes Highland an intriguing destination for travelers seeking both warm days and cooler nights.

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

The chart illustrates May temperature patterns in Highland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Highland, May typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec272939486071757368554034
Data source: Temperature data for Highland 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 Highland

In Highland in May, the precipitation amount is 162 mm (6.4 in) spread over 16 days.

May Precipitation Trends in Highland

The chart displays monthly precipitation patterns in Highland, 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 Highland, May typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec70719911916213010392741426960
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Highland

In Highland in May humidity is 79%. With an average temperature of 16°C (60°F), this humidity feels like a warm, damp blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent breaks to stay cool and refreshed while traveling.

May Average Humidity in Highland

This chart illustrates the average monthly humidity levels in Highland, 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 Highland is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Highland

In Highland 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 Highland.

Maximum UV Index Levels in Highland for May

The chart shows the monthly maximum UV Index (UVI) for Highland 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 Highland typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Highland 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 Highland Compares to Other Months

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

This table compares monthly weather conditions in Highland, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)70 mm (2.7 inches)82%moderate
February Weather-2°C (29°F)71 mm (2.8 inches)83%moderate
March Weather4°C (39°F)99 mm (3.9 inches)84%high
April Weather9°C (48°F)119 mm (4.7 inches)85%very high
May Weather16°C (60°F)162 mm (6.4 inches)79%very high
June Weather22°C (71°F)130 mm (5.1 inches)82%very high
July Weather24°C (75°F)103 mm (4.1 inches)80%very high
August Weather23°C (73°F)92 mm (3.6 inches)81%very high
September Weather20°C (68°F)74 mm (2.9 inches)80%very high
October Weather13°C (56°F)142 mm (5.6 inches)82%high
November Weather5°C (40°F)68 mm (2.7 inches)88%moderate
December Weather1°C (34°F)60 mm (2.4 inches)84%low

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