May Weather in Boron, United States

Last updated: June 24, 2025

In May, the average temperature in Boron, United States is a pleasant 21°C (71°F), making it an ideal time to explore. However, be prepared for temperature extremes, which can drop to a minimum of 7°C (44°F) and soar up to a scorching 40°C (104°F). On average, you'll only encounter limited precipitation, with 4 mm (0.2 in) expected over just 1 day, and a comfortable 57% humidity to accompany you on your adventures.

May Temperature in Boron

In May in Boron, the average temperature is 21°C (71°F). Maximum temperatures can reach 40°C (104°F), while minimums can drop to as low as 7°C (44°F). It's essential to pack accordingly for your travels to ensure comfort in both the heat and cooler evenings.

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

The chart illustrates May temperature patterns in Boron, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boron, May typically has an average temperature of 21°C (71°F), with highs reaching up to 40°C (104°F) and lows dropping to around 7°C (44°F).

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

May Precipitation in Boron

In Boron in May, the precipitation amount is 4 mm (0.2 in) during 1 day.

May Precipitation Trends in Boron

The chart displays monthly precipitation patterns in Boron, 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 Boron, May typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 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 Boron

In Boron in May humidity is 57%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it a pleasant atmosphere for traveling, as long as you're prepared for a slight stickiness in the air that enhances the tropical vibe of the surroundings.

May Average Humidity in Boron

This chart illustrates the average monthly humidity levels in Boron, 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 Boron is approximately 57%, 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 Boron

In Boron 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 Boron.

Maximum UV Index Levels in Boron for May

The chart shows the monthly maximum UV Index (UVI) for Boron 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 Boron typically reaches 11, which falls under the extreme exposure category.

Data source: Boron 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 Boron Compares to Other Months

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

This table compares monthly weather conditions in Boron, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	29 mm (1.2 inches)	78%	moderate
February Weather	11°C (51°F)	19 mm (0.7 inches)	82%	high
March Weather	13°C (57°F)	23 mm (0.9 inches)	75%	very high
April Weather	18°C (65°F)	11 mm (0.4 inches)	68%	very high
May Weather	21°C (71°F)	4 mm (0.2 inches)	57%	extreme
June Weather	27°C (81°F)	0 mm (0.0 inches)	52%	extreme
July Weather	31°C (88°F)	1 mm (0.0 inches)	46%	extreme
August Weather	30°C (87°F)	0 mm (0.0 inches)	39%	extreme
September Weather	26°C (79°F)	0 mm (0.0 inches)	48%	very high
October Weather	19°C (66°F)	2 mm (0.1 inches)	59%	very high
November Weather	13°C (57°F)	9 mm (0.3 inches)	72%	moderate
December Weather	8°C (48°F)	29 mm (1.1 inches)	76%	moderate