May Weather in Black Rock, United States

Last updated: June 24, 2025

In Black Rock, United States, the average temperature in May hovers around 21°C (70°F). However, temperatures can range from a chilly 4°C (39°F) to a warm 34°C (93°F). Expect 153 mm (6.0 in) of rainfall spread over 13 days, accompanied by a high average humidity of 83%.

May Temperature in Black Rock

In May in Black Rock, the average temperature is 21°C (70°F), with maximums reaching 34°C (93°F) and minimums dipping as low as 4°C (39°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

May Weather in Black Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Black Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Black Rock, May typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).

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

May Precipitation in Black Rock

In Black Rock in May, the total precipitation amount is 153 mm (6.0 in) spread over 13 days.

May Precipitation Trends in Black Rock

The chart displays monthly precipitation patterns in Black Rock, 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 Black Rock, May typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 13 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 Black Rock

In Black Rock in May humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

May Average Humidity in Black Rock

This chart illustrates the average monthly humidity levels in Black Rock, 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 Black Rock is approximately 83%, 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 Black Rock

In Black Rock in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Black Rock.

Maximum UV Index Levels in Black Rock for May

The chart shows the monthly maximum UV Index (UVI) for Black Rock 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 Black Rock typically reaches 10, which falls under the very high exposure category.

Data source: Black Rock 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 Black Rock Compares to Other Months

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

This table compares monthly weather conditions in Black Rock, 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 (40°F)	93 mm (3.7 inches)	84%	moderate
February Weather	6°C (43°F)	149 mm (5.9 inches)	83%	high
March Weather	12°C (53°F)	146 mm (5.8 inches)	81%	very high
April Weather	15°C (59°F)	167 mm (6.6 inches)	81%	very high
May Weather	21°C (70°F)	153 mm (6.0 inches)	83%	very high
June Weather	25°C (78°F)	93 mm (3.7 inches)	83%	extreme
July Weather	28°C (82°F)	97 mm (3.8 inches)	81%	extreme
August Weather	26°C (79°F)	113 mm (4.4 inches)	74%	very high
September Weather	24°C (75°F)	78 mm (3.1 inches)	71%	very high
October Weather	17°C (63°F)	115 mm (4.5 inches)	76%	high
November Weather	9°C (49°F)	87 mm (3.4 inches)	84%	moderate
December Weather	7°C (45°F)	105 mm (4.1 inches)	88%	moderate