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May Weather in Blair, United States

Last updated: June 24, 2025

In May, the average temperature in Blair, United States hovers around 15°C (59°F). Temperatures can fluctuate, with a minimum of -1°C (31°F) and a maximum reaching up to 35°C (96°F). Expect about 140 mm (5.5 in) of precipitation spread over 13 days, contributing to a high average humidity of 79%.

May Temperature in Blair

In May in Blair, the average temperature is 15°C (59°F). Maximum can reach 35°C (96°F) and minimum can be as low as -1°C (31°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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

The chart illustrates May temperature patterns in Blair, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blair, May typically has an average temperature of 15°C (59°F), with highs reaching up to 35°C (96°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec181935445970737064493425
Data source: Temperature data for Blair 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 Blair

In Blair in May, the total precipitation amount is 140 mm (5.5 in) over the course of 13 days.

May Precipitation Trends in Blair

The chart displays monthly precipitation patterns in Blair, 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 Blair, May typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec334957931401541021441101195447
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Blair

In Blair in May humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.

May Average Humidity in Blair

This chart illustrates the average monthly humidity levels in Blair, 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 Blair is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Blair

In Blair in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Blair.

Maximum UV Index Levels in Blair for May

The chart shows the monthly maximum UV Index (UVI) for Blair 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 Blair typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458810997532
Data source: Blair 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 Blair Compares to Other Months

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

This table compares monthly weather conditions in Blair, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)33 mm (1.3 inches)88%low
February Weather-7°C (20°F)49 mm (1.9 inches)89%moderate
March Weather1°C (35°F)57 mm (2.2 inches)86%moderate
April Weather7°C (45°F)93 mm (3.6 inches)85%very high
May Weather15°C (59°F)140 mm (5.5 inches)79%very high
June Weather21°C (70°F)154 mm (6.1 inches)80%very high
July Weather23°C (74°F)102 mm (4.0 inches)80%very high
August Weather21°C (70°F)144 mm (5.7 inches)78%very high
September Weather18°C (64°F)110 mm (4.3 inches)80%high
October Weather9°C (49°F)119 mm (4.7 inches)84%moderate
November Weather1°C (34°F)54 mm (2.1 inches)89%moderate
December Weather-4°C (26°F)47 mm (1.9 inches)85%low

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