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May Weather in Lyman, United States

Last updated: June 24, 2025

In Lyman, United States, the average temperature in May is a crisp 9°C (49°F). Temperatures can swing from a chilly minimum of -7°C (19°F) to a warm maximum of 28°C (82°F). Visitors can expect about 67 mm (2.7 in) of precipitation over 13 days, coupled with an average humidity level of 62%. Whether you're embracing the chill or enjoying the warmth, prepare for a dynamic climate!

May Temperature in Lyman

In May in Lyman, the average temperature is 9°C (49°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

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

The chart illustrates May temperature patterns in Lyman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lyman, May typically has an average temperature of 9°C (49°F), with highs reaching up to 28°C (82°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec222431394962696758423323
Data source: Temperature data for Lyman 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 Lyman

In Lyman in May, the precipitation amount is 67 mm (2.7 in) over the course of 13 days.

May Precipitation Trends in Lyman

The chart displays monthly precipitation patterns in Lyman, 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 Lyman, May typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec303467506724152429303231
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lyman

In Lyman in May, humidity is 62%. With an average temperature of 9°C (49°F), this humidity feels like a brisk chill that can be invigorating for outdoor activities but may require a light jacket for comfort while traveling.

May Average Humidity in Lyman

This chart illustrates the average monthly humidity levels in Lyman, 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 Lyman is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%84%75%62%56%44%37%46%67%84%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lyman

In Lyman in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Lyman.

Maximum UV Index Levels in Lyman for May

The chart shows the monthly maximum UV Index (UVI) for Lyman 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 Lyman typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110753
Data source: Lyman 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 Lyman Compares to Other Months

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

This table compares monthly weather conditions in Lyman, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)30 mm (1.2 inches)91%moderate
February Weather-5°C (24°F)34 mm (1.3 inches)92%high
March Weather-1°C (31°F)67 mm (2.6 inches)84%very high
April Weather4°C (39°F)50 mm (2.0 inches)74%very high
May Weather9°C (49°F)67 mm (2.7 inches)62%extreme
June Weather17°C (62°F)24 mm (0.9 inches)56%extreme
July Weather21°C (70°F)15 mm (0.6 inches)44%extreme
August Weather19°C (67°F)24 mm (0.9 inches)37%extreme
September Weather14°C (58°F)29 mm (1.2 inches)46%very high
October Weather5°C (42°F)30 mm (1.2 inches)67%high
November Weather1°C (34°F)32 mm (1.2 inches)84%moderate
December Weather-5°C (23°F)31 mm (1.2 inches)88%moderate

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