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May Weather in Lanark, United States

Last updated: June 24, 2025

In May, the average temperature in Lanark, United States hovers around 16°C (61°F), offering a pleasant climate. However, prepare for a range of temperatures, with minimums dipping to -1°C (30°F) and maximums soaring to 34°C (93°F). Expect about 148 mm (5.8 in) of precipitation across 15 days, contributing to an average humidity of 79%.

May Temperature in Lanark

In May in Lanark, the average temperature is 16°C (61°F). Maximum can reach 34°C (93°F) and minimum can be as low as -1°C (30°F). This range makes it essential for travelers to pack accordingly, preparing for both warm days and chilly nights.

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

The chart illustrates May temperature patterns in Lanark, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lanark, May typically has an average temperature of 16°C (61°F), with highs reaching up to 34°C (93°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec232539486172757267533831
Data source: Temperature data for Lanark 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 Lanark

In Lanark, in May, the precipitation amount is 148 mm (5.8 in) over a span of 15 days.

May Precipitation Trends in Lanark

The chart displays monthly precipitation patterns in Lanark, 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 Lanark, May typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec59598210814812989821191134951
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lanark

In Lanark in May humidity is 79%. With an average temperature of 16°C (61°F), this humidity feels like a warm, moist embrace, making travel a bit more challenging as the air tends to weigh heavily, but it also offers a refreshing atmosphere perfect for exploring local sights and enjoying nature.

May Average Humidity in Lanark

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

In Lanark 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 Lanark.

Maximum UV Index Levels in Lanark for May

The chart shows the monthly maximum UV Index (UVI) for Lanark 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 Lanark typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Lanark 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 Lanark Compares to Other Months

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

This table compares monthly weather conditions in Lanark, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)59 mm (2.3 inches)82%moderate
February Weather-4°C (25°F)59 mm (2.3 inches)83%moderate
March Weather4°C (39°F)82 mm (3.2 inches)84%high
April Weather9°C (48°F)108 mm (4.2 inches)85%very high
May Weather16°C (61°F)148 mm (5.8 inches)79%very high
June Weather22°C (72°F)129 mm (5.1 inches)82%very high
July Weather24°C (76°F)89 mm (3.5 inches)80%very high
August Weather22°C (73°F)82 mm (3.2 inches)81%very high
September Weather20°C (67°F)119 mm (4.7 inches)80%very high
October Weather12°C (53°F)113 mm (4.4 inches)82%high
November Weather3°C (38°F)49 mm (1.9 inches)88%moderate
December Weather0°C (32°F)51 mm (2.0 inches)84%low

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