May Weather in Blair, United States

Last updated: June 24, 2025

In Blair, United States, the average temperature in May hovers around 17°C (63°F), with variations ranging from a brisk 2°C (36°F) to a sweltering 36°C (97°F). During this month, you can expect about 154 mm (6.1 in) of precipitation spread across 15 days. The air carries a notable average humidity of 78%, making it feel quite humid at times.

May Temperature in Blair

In May in Blair, the average temperature is 17°C (63°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 2°C (36°F). This range makes it a great time for travelers to enjoy a variety of outdoor activities, from comfortable sightseeing to cooler evening strolls.

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 17°C (63°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (36°F).

Data source: Temperature data for Blair generated using information from the Copernicus Climate Change Service.

May Precipitation in Blair

In Blair in May, the precipitation amount is 154 mm (6.1 in) over the course of 15 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 154 mm (6.1 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Blair

In Blair in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

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 78%, offering insight into how humid the weather typically is during this month.

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 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 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	31 mm (1.2 inches)	76%	moderate
February Weather	-4°C (25°F)	32 mm (1.3 inches)	80%	moderate
March Weather	5°C (41°F)	90 mm (3.5 inches)	73%	high
April Weather	10°C (50°F)	60 mm (2.4 inches)	74%	very high
May Weather	17°C (63°F)	154 mm (6.1 inches)	78%	very high
June Weather	24°C (76°F)	126 mm (5.0 inches)	82%	very high
July Weather	25°C (78°F)	66 mm (2.6 inches)	83%	very high
August Weather	23°C (74°F)	106 mm (4.2 inches)	80%	very high
September Weather	21°C (69°F)	81 mm (3.2 inches)	75%	very high
October Weather	11°C (53°F)	111 mm (4.4 inches)	75%	high
November Weather	4°C (40°F)	31 mm (1.2 inches)	82%	moderate
December Weather	-1°C (31°F)	39 mm (1.5 inches)	83%	low