May Weather in Highland, United States

Last updated: June 24, 2025

In Highland, United States, the average temperature in May hovers around 16°C (60°F), creating a pleasantly mild climate. However, be prepared for a range of temperatures, with a minimum dipping to -1°C (31°F) and peaks reaching up to 34°C (94°F). Rainfall is quite frequent, with about 136 mm (5.4 in) of precipitation spread over 14 days, contributing to an average humidity of 75%.

May Temperature in Highland

In May in Highland, the average temperature is 16°C (60°F). Maximums can reach 34°C (94°F), while minimums can drop as low as -1°C (31°F). This wide range of temperatures makes Highland an interesting destination to explore, so be sure to pack accordingly to enjoy all its offerings comfortably.

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 34°C (94°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec212337466071757165513629
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 136 mm (5.4 in) over a span of 14 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 136 mm (5.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec45575985136129103961191244641
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 75%. With an average temperature of 16°C (60°F), this humidity feels like a warm, muggy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration breaks 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 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%84%83%75%79%75%69%74%79%88%82%
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.
JanFebMarAprMayJunJulAugSepOctNovDec24589101098532
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-6°C (21°F)45 mm (1.8 inches)84%low
February Weather-5°C (23°F)57 mm (2.2 inches)85%moderate
March Weather3°C (37°F)59 mm (2.3 inches)84%moderate
April Weather8°C (47°F)85 mm (3.4 inches)83%very high
May Weather16°C (60°F)136 mm (5.4 inches)75%very high
June Weather22°C (71°F)129 mm (5.1 inches)79%very high
July Weather24°C (75°F)103 mm (4.0 inches)75%very high
August Weather22°C (71°F)96 mm (3.8 inches)69%very high
September Weather18°C (65°F)119 mm (4.7 inches)74%very high
October Weather11°C (51°F)124 mm (4.9 inches)79%moderate
November Weather2°C (37°F)46 mm (1.8 inches)88%moderate
December Weather-2°C (29°F)41 mm (1.6 inches)82%low

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